for Cold-Formed Steel Framing Products

Transcription

1 Technical Guide for Cold-Formed Steel Framing Products The data in this guide is based upon the 2007 American Iron and Steel Institute s S00-07 North American Specification for the Design of Cold-Formed Steel Structural Members and meets the requirements of the IBC 2009 Building Code, as well as the 20 California Building Code. Complies with the 2009 IBC and 2007 NASPEC

2 Introduction The Steel Framing Industry Association (SFIA) was formed to assist companies in the cold-formed steel framing industry to become more successful by unifying the industry to expand the market for the use of cold-formed steel systems through: (a) Quality Assurance (b) Promotion (c) Advocacy (d) Education (e) Innovation The SFIA is dedicated to helping all stakeholders in our industry to become more successful by unifying the industry to expand the market for the use of cold-formed steel framing systems. The SFIA developed this Industry-leading product technical guide to comply with the latest building codes and standards. The data in this guide is based upon the 2007 American Iron and Steel Institute s S00-07 North American Specification for the Design of Cold-Formed Steel Structural Members and meets the requirements of the IBC 2009 Building Code, as well as the 20 California Building Code. While building codes vary by jurisdiction, this guide follows the most recent international standards published by the International Code Council, the most widely recognized building code authority in North America. Material Specification Products manufactured by SFIA members are formed from steel with a minimum yield stress of 33 or 50 kips per square inch (ksi). Unless noted otherwise, all products covered in this SFIA guide are engineered to meet the 2007 edition of the American Iron and Steel Institute s (AISI) S00-07 North American Specification for the Design of Cold-Formed Steel Structural Members and other AISI standards referenced in section 220 of the 2009 International Building Code (IBC-2009). The structural properties in this SFIA guide have been computed based upon allowable stress design (ASD) which includes distortional buckling considerations for all stud sections. For fastener tables, the screw sizes and head diameters do not refer to specific fasteners which may or may not be available from SFIA member companies. Shear and tension data for screws was developed using published manufacturer data and evaluation reports available at the time of publications. Disclaimer A concerted effort has been made to ensure the accuracy of the technical data represented in this guide. The Steel Framing Industry Association makes no representation, warranty or guarantee in connection with this technical data and expressly disclaims any liability or responsibility for failure resulting from the use or misapplication of computations, detail drawings and specifications contained herein. All data, specifications and details contained in this guide are intended as a general guide for using SFIA member companies products. These products should not be used in design or construction without an independent evaluation by a qualified engineer or architect to verify the suitability of a particular product for use in a specific application. This publication contains the latest information available at the time of printing. The SFIA and its member companies reserve the right to make modifications and/or change the materials of any of their products without prior notice or obligation. For the latest information regarding a particular manufacturer s products, contact that manufacturer. All SFIA manufacturers may not produce all of the products listed in this guide. Please contact your manufacturer to verify product availability. Copyright 20 Steel Framing Industry Association

3 Table of Contents Introduction... Inside Front Cover Table of Contents... General Product Information Code Approval...2 Material Specifications...2 Technical Assistance...2 Thickness Steel Components...3 Design Stiffening Lip Length...3 General Notes for all Tables...3 Definitions of Structural Property Symbols...4 Section Properties Tables Section Properties Table Notes...5 Non-Structural (S) Stud Section Properties...6 Structural (S) Stud Section Properties...7 Structural (T) Track Section Properties... 4 Thickness Steel Components... 8 Web Depth-to-Thickness Ratios... 8 Limiting Wall Heights Tables Interior Non-Structural Non-Composite Table Notes... 9 Interior Non-Structural Non-Composite... 9 Curtain Wall Single-Span Table Notes Curtain Wall Single-Span Curtain Wall Double-Span Table Notes Curtain Wall Double-Span Combined Axial and Lateral Load Tables Combined Axial and Lateral Load Table Notes Allowable Axial Loads Header Load Tables Header Load Table Notes Header Allowable Uniform Loads Web Crippling Load Tables Web Crippling Load Table Notes Web Crippling Conditions Allowable Web Crippling Loads Single Members Allowable Web Crippling Loads Back-to-Back Members Ceiling Span Tables Ceiling Span Table Notes Allowable Ceiling Spans Deflection Limit L/ Allowable Ceiling Spans Deflection Limit L/ Allowable Ceiling Spans Deflection Limit L/ Typical Ceiling Details...00 Channel Properties...0 U-Channel Section Properties...0 U-Channel Allowable Ceiling Spans...0 (Hat) Furring (F) Channel Section Properties...02 (Hat) Furring (F) Channel Allowable Ceiling Spans...02 Fasteners (Screws and Welds) Allowable Loads for Screw Connections...04 Allowable Loads for Fillet Welds and Flare Groove Welds...05 Typical Details...06 Joist Bridging...06 Strapping Lateral Bracing...07 SFIA Information.... Back Cover Floor Joist Span Tables Allowable Floor Joist Span Table Notes Allowable Floor Joist Spans Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

4 General Product Information The Steel Framing Industry Association (SFIA) supports the industry standard nomenclature published in the American Iron and Steel Institute s (AISI) General Provisions, S200. The AISI S200 states in Section A5.2 that structural members and non-structural members shall use a four-part product designator that identifies the size (both web depth and flange width), style and thickness. An example of this designator is shown below: EXAMPLE: MEMBER DEPTH: (Example: 3-5/8 = ~ 362 x /00 inches) All member depths are taken in /00 inches. For all T Sections, member depth is the inside- to- inside dimension. FLANGE WIDTH: (Example: 2-/2 = x /00 inches) All flange widths are taken in /00 inches. STYLE: (Example: Stud or Joist section = S) The four alpha characters utilized by the designator system are: S = Stud or Joist Sections T = Track Sections U = Channel Sections F = Furring Channel Sections MATERIAL THICKNESS: (Example: in = 54 mils; mil = /000 in.) Material thickness is the minimum base steel thickness in mils. NOTE: For Structural members that are 54 mil (6 gauge) and thicker and that have both 33 and 50 ksi yield strength options shown, the designer shall identify which yield strength he has specified and the manufacturer shall label the product with the yield strength. 2 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

5 General Product Information Thickness Table Stiffening Lip Length Designation Thickness (Mils) Minimum Thickness (in) Design Thickness (in) Design Inside Corner Radii 2 (in) Reference Gauge No Dw Str Member Flange Width Design Stiffening Lip Length (in) S25 / S37 3/ S62 5/ S S250 2 / S S350 3 /2.000 Minimum Thickness represents 95% of the design thickness and is the minimum acceptable thickness delivered to the jobsite based upon Section A2.4 of the AISI S00-07 Specification. 2 The tables in this guide are calculated based on inside corner radii listed in this table. General Notes for all Tables. Where AISI S00-07 Specification is referenced, it is the North American Specification for the Design of Cold-Formed Steel Structural Members. 2. The strength increase from cold work of forming has been incorporated for flexural strength per section A7.2 of AISI S00-07 Specification. 3. The effective moment of inertia for deflection is calculated at a stress which results in a section modulus such that the stress times the section modulus at that stress is equal to the allowable moment. AISI S00-07 specification procedure for serviceability determination has been used. Increases in the effective moment of Inertia (I xe ) may be possible at lower stress levels. Any modified values would be required to be calculated by a qualified engineer. 4. Various members may be manufactured with yield strengths of 33 or 50 kips per square inch (ksi). The yield strength used for calculations is indicated in the tables. 5. For members available in both 33 and 50 ksi, the specifier must clearly indicate which yield strength is required. For example: 362S62-54 (50ksi). 6. When provided, factory punchouts shall be located along the centerline of the webs of the members and will have a minimum center-to-center spacing of 24 inches. Punchouts for members greater than 2.5 inches deep are a maximum of.5 inches wide x 4 inches long. Members with depths of.625 and 2.5 inches and smaller are maximum of 3/4 inches wide x 4 inches long. 7. Allowable flexural strength values in the tables are based upon the minimum of local, distortional and lateral-torsional buckling. Distortional buckling strength is based on a k-phi = 0. Higher values may be obtained when sheathing is applied to the walls resulting in a higher k-phi value. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 3

6 General Product Information Gross Properties Definitions of Structural Property Symbols Ix: Sx: Rx: Iy: Ry: Moment of inertia of gross section about the X-X axis (strong axis). Section modulus about the X-X axis (strong axis). Radius of gyration of the gross section about the X-X axis. Moment of inertia of gross section about the Y-Y axis (weak axis). Radius of gyration of the gross section about the Y-Y axis. Effective Properties Ixe: Sxe: Ma: Mnc: Vag: Vanet: Moment of inertia for deflection calculations based upon Procedure for deflection determination of the AISI S00-07 Specification. Effective section modulus about the X-X axis (strong axis) stress = Fy. Allowable Bending Moment - Based upon the effective section modulus and the allowable stress including the strength increase from the cold-work of forming (section A7.2) where applicable. Nominal Bending Moment - Based upon Distortional Bucking Strength calculated in accordance with AISI section C3..4. Allowable strong axis shear away from punchout, calculated in accordance with AISI section C3.2.. Allowable strong axis shear at punchout, calculated in accordance with AISI section C Torsional and Other Properties J: St. Venant Torsional Constant. Cw: Torsional warping constant. M: Distance from shear center to mid-plane of web. Xo: Distance from the shear center to the centroid along the principal X-axis. Ro: Polar radius of gyration about the centroidal principal axis. b: (X 0 / R 0 ) 2 or (X 0 / R )^2 0 Lu: The longest weak axis (Ly) and torsional (Lt) unbraced length at which lateral torsional buckling is restrained in accordance with AISI C Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

7 Section Properties Section Properties Table Notes. Calculated properties are based on AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. The centerline bend radius is based upon inside corner radii shown in thickness chart. 3. Effective properties incorporate the strength increase from the cold work of forming as applicable per AISI A Tabulated gross properties, including torsional properties, are based upon full-unreduced cross section of the studs, away from punchouts. 5. For deflection calculations, use the effective moment of inertia. 6. Allowable moment includes cold-work of forming. 7. For the steels that have both 33 and 50 ksi listing, if the design is based upon 50 ksi, the 50 ksi steel needs to be specified. (example: 3625 S (50 ksi)). 8. Web depth for track sections is equal to the nominal height plus 2 times the design thickness plus the bend radius. Hems on non-structural track sections are ignored. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 5

8 Section Properties Non-Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness F y Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 62S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. 6 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

9 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 250S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 7

10 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 400S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. 8 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

11 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 600S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 9

12 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 800S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. 0 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

13 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 000S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

14 Section Properties Structural (S) Stud Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a M nd Va g Va net I x S x R x I y R y J x 000 C w X o m R o b L u Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (in-k) (lb) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) (in) 400S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Web-height-to-thickness ratio exceeds 200. Web Stiffeners are required at all support points and concentric loads. Suitability of web holes must be evaluated independently. 2 When web height-to thickness ratio exceeds 260, or flange width-to-thickness ratio exceeds 60, effective properties are not calculated (limitations in AISI section B). See Section Properties Table Notes on page 5. 2 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

15 Section Properties (T) Track Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a Va g I x S x R x I y R y J x 000 C w X o m R o b Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) 62T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Web-height-to-thickness ratio exceeds 200. Web stiffeners are required at all support points and concentrated loads. Suitability of web holes must be evaluated independently. See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 3

16 Section Properties (T) Track Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a Va g I x S x R x I y R y J x 000 C w X o m R o b Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) 362T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Web-height-to-thickness ratio exceeds 200. Web stiffeners are required at all support points and concentrated loads. Suitability of web holes must be evaluated independently. See Section Properties Table Notes on page 5. 4 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

17 Section Properties (T) Track Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a Va g I x S x R x I y R y J x 000 C w X o m R o b Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) 550T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Web-height-to-thickness ratio exceeds 200. Web stiffeners are required at all support points and concentrated loads. Suitability of web holes must be evaluated independently. See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 5

18 Section Properties (T) Track Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a Va g I x S x R x I y R y J x 000 C w X o m R o b Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) 800T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Web-height-to-thickness ratio exceeds 200. Web stiffeners are required at all support points and concentrated loads. Suitability of web holes must be evaluated independently. See Section Properties Table Notes on page 5. 6 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

19 Section Properties (T) Track Section Properties Effective Properties Gross Properties Torsional Properties Design Thickness Fy Area Weight I x S x M a Va g I x S x R x I y R y J x 000 C w X o m R o b Member (in) (ksi) (in 2 ) (lb/ft) (in 4 ) (in 3 ) (in-k) (lb) (in 4 ) (in 3 ) (in) (in 4 ) (in) (in 4 ) (in 6 ) (in) (in) (in) 400T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Web-height-to-thickness ratio exceeds 200. Web stiffeners are required at all support points and concentrated loads. Suitability of web holes must be evaluated independently. See Section Properties Table Notes on page 5. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 7

20 Section Properties h/t exceeds 200 Web Depth-to-Thickness Ratios for Stud and Joist Members 2, 3 Web Depth 8Mil 27Mil 30Mil 33Mil 43Mil 54Mil 68Mil 97Mil 8Mil Member Depth (in) S S S S S S S S S S S S h value used for h/t calculations is the flat width of the web. For Stud members, this is the out-to-out member size, minus twice the thickness, minus twice the inside bend radius. 3 h/t values exceeding 260 are marked with a dash ( - ) 8 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

21 Limiting Wall Heights - Non-Composite Interior Non-Structural Non-Composite Table Notes. Lateral loads of 5 psf, 7.5 psf, and 0 psf loads have NOT been reduced for strength or deflection checks. Full lateral load is applied. 2. Calculated properties are based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 3. Limiting heights are based upon continuous support of each flange over the full length of the stud. 4. Limiting heights are based upon steel properties only (non-composite). 5. Web crippling checks are based upon end-one flange loading condition using -inch end bearing. 6. Where limiting heights are followed by e, web stiffeners are required. Interior Non-Structural Non-Composite 5 psf 7.5 psf 0 psf Stud Member Spacing in, oc Fy, ksi L/20 L/240 L/360 L/20 L/240 L/360 L/20 L/240 L/360 62S ' " 7' 7" 6' 8" 7' 5" 6' 8" 5' 0" 6' 5" 6' " 5' 3" 62S ' 0" 6' " 6' " 6' 5" 6' " 5' 3" 5' 7" 5' 6" 4' 0" 62S ' 5" 6' " 5' 3" 5' 3" 5' 3" 4' 7" 4' 6" 4' 6" 4' 2" 62S ' 3" 8' " 7' 0" 9' 8" 7' 0" 6' 0" 8' 4" 7' " 6' 3" 62S ' 3" 8' 2" 7' " 8' 4" 7' " 6' 3" 7' 3" 6' 5" 5' 8" 62S ' 4" 7' " 6' 3" 6' 0" 6' 3" 5' 5" 5' " 5' 8" 4' " 62S ' 8" 9' 3" 8' " 0' 2" 8' " 7' " 8' " 7' 4" 6' 5" 62S ' 7" 8' 5" 7' 4" 8' " 7' 4" 6' 5" 7' 9" 6' 8" 5' 0" 62S ' " 7' 4" 6' 5" 7' 3" 6' 5" 5' 7" 6' 4" 5' 0" 5' " 62S ' 0" 9' 6" 8' 4" 0' 6" 8' 4" 7' 3" 9' 6" 7' 7" 6' 7" 62S ' " 8' 8" 7' 7" 9' 6" 7' 7" 6' 7" 8' 3" 6' " 6' 0" 62S ' 6" 7' 7" 6' 7" 7' 0" 6' 7" 5' 9" 6' 9" 6' 0" 5' 3" 250S ' 9" 0' 6" 9' 3" 9' 7" 9' 3" 8' " 8' 3" 8' 3" 7' 4" 250S ' 2" 9' 7" 8' 4" 8' 3" 8' 3" 7' 4" 7' 2" 7' 2" 6' 8" 250S ' 3" 8' 3" 7' 4" 6' 9" 6' 9" 6' 5" 5' 0" e 5' 0" e 5' 0" e 250S ' 7" 2' 4" 0' 0" 2' 9" 0' 0" 9' 5" ' 0" 9' 0" 8' 7" 250S ' 6" ' 3" 9' 0" ' 0" 9' 0" 8' 7" 9' 7" 8' " 7' 0" 250S ' 0" 9' 0" 8' 7" 9' 0" 8' 7" 7' 6" 7' 0" 7' 0" 6' 0" 250S ' " 2' 9" ' 2" 3' 8" ' 2" 9' 9" ' 0" 0' 2" 8' 0" 250S ' 5" ' 7" 0' 2" ' 0" 0' 2" 8' 0" 0' 3" 9' 2" 8' " 250S ' 0" 0' 2" 8' 0" 9' 8" 8' 0" 7' 9" 8' 4" 8' " 7' 0" 250S ' 7" 3' 2" ' 6" 4' 6" ' 6" 0' " 2' 8" 0' 6" 9' 2" 250S ' " 2' 0" 0' 6" 2' 8" 0' 6" 9' 2" ' 0" 9' 6" 8' 4" 250S ' 8" 0' 6" 9' 2" 0' 4" 9' 2" 8' 0" 9' 0" 8' 4" 7' 3" 250S ' " 4' 4" 2' 6" 5' 0" 2' 6" 0' " 4' 4" ' 5" 9' " 250S ' 5" 3' 0" ' 5" 4' 4" ' 5" 9' " 3' 0" 0' 4" 9' " 250S ' 4" ' 5" 9' " 2' 4" 9' " 8' 8" 0' 8" 9' " 7' " 250S ' 4" 5' 4" 3' 5" 6' " 3' 5" ' 9" 5' 4" 2' 2" 0' 8" 250S ' 7" 4' 0" 2' 2" 5' 4" 2' 2" 0' 8" 4' 0" ' " 9' 8" 250S ' 4" 2' 2" 0' 8" 3' 5" 0' 8" 9' 4" 2' " 9' 8" 8' 6" 250S ' 4" 5' 4" 3' 5" 6' 0" 3' 5" ' 8" 5' 4" 2' 2" 0' 8" 250S ' 7" 3' " 2' 2" 5' 4" 2' 2" 0' 8" 3' " ' " 9' 8" 250S ' 4" 2' 2" 0' 8" 3' 5" 0' 8" 9' 3" 2' 2" 9' 8" 8' 5" 250S ' 7" 6' 4" 4' 4" 8' 0" 4' 4" 2' 6" 6' 4" 3' 0" ' 4" 250S ' 9" 4' 0" 3' 0" 6' 4" 3' 0" ' 4" 4' 0" ' 0" 0' 4" 250S ' 4" 3' 0" ' 4" 4' 4" ' 4" 9' " 3' 0" 0' 4" 9' 0" 250S ' 7" 6' 4" 4' 4" 8' 0" 4' 4" 2' 6" 6' 4" 3' 0" ' 4" 250S ' 9" 4' 0" 3' 0" 6' 4" 3' 0" ' 4" 4' 0" ' 0" 0' 4" 250S ' 4" 3' 0" ' 4" 4' 4" ' 4" 9' " 3' 0" 0' 4" 9' 0" 350S ' 0" 3' 9" 2' 0" ' 5" ' 5" 0' 6" 9' " e 9' " e 9' 6" 350S ' " 2' " 0' " 9' " e 9' " e 9' 6" 8' 7" e 8' 7" e 8' 7" e 350S ' " e 9' " e 9' 6" 8' " e 8' " e 8' " e 7' 0" e 7' 0" e 7' 0" e 350S ' 0" 6' 0" 4' 0" 5' 4" 4' 0" 2' 3" 3' 4" 2' 9" ' " 350S ' 3" 4' 7" 2' 9" 3' 4" 2' 9" ' " ' 6" ' 6" 0' " 350S ' 4" 2' 9" ' " 0' 0" 0' 0" 9' 8" 9' 5" 9' 5" 8' 0" 350S ' 2" 6' 7" 4' 5" 6' 6" 4' 5" 2' 8" 4' 3" 3' 2" ' 6" 350S ' 6" 5' 0" 3' 2" 4' 3" 3' 2" ' 6" 2' 4" ' " 0' 5" 350S ' 3" 3' 2" ' 6" ' 8" ' 6" 0' 0" 0' " 0' " 9' " See Interior Non-Structural Non-Composite Table Notes Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 9

22 Limiting Wall Heights - Non-Composite Interior Non-Structural Non-Composite 5 psf 7.5 psf 0 psf Stud Member Spacing in, oc Fy, ksi L/20 L/240 L/360 L/20 L/240 L/360 L/20 L/240 L/ S ' 7" 7' " 4' " 7' 9" 4' " 3' " 5' 4" 3' 7" ' 0" 350S ' 0" 5' 7" 3' 7" 5' 4" 3' 7" ' 0" 3' 3" 2' 4" 0' 9" 350S ' 4" 3' 7" ' 0" 2' 6" ' 0" 0' 4" 0' 0" 0' 9" 9' 5" 350S ' 6" 8' 8" 6' 3" 20' 6" 6' 3" 4' 3" 8' 6" 4' 9" 2' " 350S ' 4" 6' " 4' 9" 8' 6" 4' 9" 2' " 6' 0" 3' 5" ' 9" 350S ' 6" 4' 9" 2' " 5' " 2' " ' 3" 3' " ' 9" 0' 3" 350S ' 2" 20' 0" 7' 5" 22' 0" 7' 5" 5' 3" 20' 0" 5' 0" 3' 0" 350S ' 0" 8' 2" 5' 0" 20' 0" 5' 0" 3' 0" 8' 2" 4' 5" 2' 7" 350S ' 0" 5' 0" 3' 0" 7' 5" 3' 0" 2' " 5' 2" 2' 7" ' 0" 350S ' " 9' " 7' 5" 2' " 7' 5" 5' 2" 9' " 5' 0" 3' 0" 350S ' 0" 8' " 5' 0" 9' " 5' 0" 3' 0" 8' " 4' 4" 2' 7" 350S ' " 5' 0" 3' 0" 7' 5" 3' 0" 2' " 5' 0" 2' 7" ' 0" 350S ' 0" 2' 4" 8' 8" 23' 6" 8' 8" 6' 3" 2' 4" 6' " 4' 9" 350S ' 5" 9' 4" 6' " 2' 4" 6' " 4' 9" 9' 4" 5' 5" 3' 5" 350S ' 4" 6' " 4' 9" 8' 8" 4' 9" 2' " 6' 8" 3' 5" ' 9" 350S ' 0" 2' 4" 8' 8" 23' 6" 8' 8" 6' 3" 2' 4" 6' " 4' 9" 350S ' 5" 9' 4" 6' " 2' 4" 6' " 4' 9" 9' 4" 5' 5" 3' 5" 350S ' 4" 6' " 4' 9" 8' 8" 4' 9" 2' " 6' " 3' 5" ' 9" 362S ' 3" 4' " 2' 4" ' 8" ' 8" 0' 9" 0' " e 0' " e 9' 0" e 362S ' 4" 2' 4" ' 3" 0' " e 0' " e 9' 0" e 8' 9" e 8' 9" e 8' 9" e 362S ' " e 0' " e 9' 0" e 8' 3" e 8' 3" e 8' 3" e 7' 2" e 7' 2" e 7' 2" e 362S ' 2" 6' 5" 4' 5" 5' 8" 4' 5" 2' 7" 3' 7" 3' " ' 5" 362S ' 7" 4' " 3' " 3' 7" 3' " ' 5" ' 9" ' 9" 0' 4" 362S ' 7" 3' " ' 5" ' " ' " 0' 0" 9' 7" 9' 7" 9' " 362S ' 7" 7' 0" 4' 0" 6' 9" 4' 0" 3' 0" 4' 6" 3' 6" ' 0" 362S ' 0" 5' 5" 3' 6" 4' 6" 3' 6" ' 0" 2' 7" 2' 3" 0' 9" 362S ' 6" 3' 6" ' 0" ' 0" ' 0" 0' 4" 0' 3" 0' 3" 9' 4" 362S ' 2" 7' 7" 5' 4" 8' " 5' 4" 3' 5" 5' 8" 3' " 2' 2" 362S ' 2" 6' 0" 3' " 5' 8" 3' " 2' 2" 3' 7" 2' 8" ' " 362S ' 8" 3' " 2' 2" 2' 9" 2' 2" 0' 8" ' " ' " 9' 8" 362S ' 2" 9' 2" 6' 9" 2' " 6' 9" 4' 7" 8' 0" 5' 2" 3' 3" 362S ' " 7' 5" 5' 2" 8' 0" 5' 2" 3' 3" 6' 4" 3' 0" 2' " 362S ' 0" 5' 2" 3' 3" 5' 5" 3' 3" ' 7" 3' 4" 2' " 0' 6" 362S ' " 20' 7" 7' " 22' 7" 7' " 5' 8" 20' 7" 6' 4" 4' 3" 362S ' 6" 8' 8" 6' 4" 20' 7" 6' 4" 4' 3" 8' 8" 4' 0" 2' " 362S ' 7" 6' 4" 4' 3" 7' " 4' 3" 2' 5" 5' 6" 2' " ' 4" 362S ' 0" 20' 6" 7' " 22' 7" 7' " 5' 8" 20' 6" 6' 3" 4' 2" 362S ' 5" 8' 7" 6' 3" 20' 6" 6' 3" 4' 2" 8' 7" 4' 9" 2' " 362S ' 6" 6' 3" 4' 2" 7' " 4' 2" 2' 5" 6' 3" 2' " ' 3" 362S ' 7" 2' " 9' 2" 24' 2" 9' 2" 6' 9" 2' " 7' 5" 5' 2" 362S ' " 9' " 7' 5" 2' " 7' 5" 5' 2" 9' " 5' 0" 3' 0" 362S ' " 7' 5" 5' 2" 9' 2" 5' 2" 3' 3" 7' " 3' 0" 2' " 362S ' 7" 2' " 9' 2" 24' 2" 9' 2" 6' 9" 2' " 7' 5" 5' 2" 362S ' " 9' " 7' 5" 2' " 7' 5" 5' 2" 9' " 5' 0" 3' 0" 362S ' " 7' 5" 5' 2" 9' 2" 5' 2" 3' 3" 7' 5" 3' 0" 2' " 400S ' 0" 5' 0" 3' 4" 2' 3" 2' 3" ' 8" 0' 7" e 0' 7" e 0' 7" e 400S ' 0" 3' 0" 2' 2" 0' 7" e 0' 7" e 0' 7" e 9' 2" e 9' 2" e 9' 2" e 400S ' 7" e 0' 7" e 0' 7" e 8' 8" e 8' 8" e 8' 8" e 7' 6" e 7' 6" e 7' 6" e 400S ' 3" 7' 9" 5' 6" 6' 6" 5' 6" 3' 7" 4' 4" 4' " 2' 4" 400S ' 6" 6' 2" 4' " 4' 4" 4' " 2' 4" 2' 5" 2' 5" ' 2" 400S ' 4" 4' " 2' 4" ' 8" ' 8" 0' 9" 0' " 0' " 9' 9" 400S ' 9" 8' 5" 6' " 7' 9" 6' " 4' 0" 5' 4" 4' 7" 2' 9" 400S ' 0" 6' 8" 4' 7" 5' 4" 4' 7" 2' 9" 3' 4" 3' 3" ' 7" 400S ' 4" 4' 7" 2' 9" 2' 6" 2' 6" ' 2" 0' 0" 0' 0" 0' " 400S ' 5" 9' 0" 6' 7" 9' " 6' 7" 4' 6" 6' 7" 5' " 3' 2" 400S ' 3" 7' 3" 5' " 6' 7" 5' " 3' 2" 4' 4" 3' 8" 2' 0" 400S ' 7" 5' " 3' 2" 3' 6" 3' 2" ' 6" ' 8" ' 8" 0' 5" 400S ' " 20' 8" 8' " 22' 9" 8' " 5' 0" 20' 0" 6' 5" 4' 4" 400S ' 8" 8' 0" 6' 5" 20' 0" 6' 5" 4' 4" 7' 4" 4' " 3' 0" See Interior Non-Structural Non-Composite Table Notes 20 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

23 Limiting Wall Heights - Non-Composite Interior Non-Structural Non-Composite 5 psf 7.5 psf 0 psf Stud Member Spacing in, oc Fy, ksi L/20 L/240 L/360 L/20 L/240 L/360 L/20 L/240 L/ S ' 0" 6' 5" 4' 4" 6' 4" 4' 4" 2' 6" 4' 2" 3' 0" ' 5" 400S ' 0" 22' 3" 9' 5" 24' 5" 9' 5" 6' " 22' 3" 7' 8" 5' 5" 400S ' 5" 20' 2" 7' 8" 22' 3" 7' 8" 5' 5" 9' 0" 6' 0" 4' 0" 400S ' 3" 7' 8" 5' 5" 8' 9" 5' 5" 3' 5" 6' 3" 4' 0" 2' 3" 400S ' " 22' 2" 9' 4" 24' 4" 9' 4" 6' " 22' 2" 7' 7" 5' 4" 400S ' 4" 20' " 7' 7" 22' 2" 7' 7" 5' 4" 20' " 6' 0" 3' " 400S ' 2" 7' 7" 5' 4" 9' 4" 5' 4" 3' 5" 7' 7" 3' " 2' 2" 400S ' " 23' 9" 20' 9" 26' " 20' 9" 8' " 23' 9" 8' 0" 6' 5" 400S ' 2" 2' 7" 8' 0" 23' 9" 8' 0" 6' 5" 2' 7" 7' " 4' " 400S ' 9" 8' 0" 6' 5" 20' 9" 6' 5" 4' 4" 8' 4" 4' " 3' " 400S ' " 23' 9" 20' 9" 26' " 20' 9" 8' " 23' 9" 8' 0" 6' 5" 400S ' 2" 2' 7" 8' 0" 23' 9" 8' 0" 6' 5" 2' 7" 7' " 4' " 400S ' 9" 8' 0" 6' 5" 20' 9" 6' 5" 4' 4" 8' 0" 4' " 3' " 550S ' 6" 7' 6" 6' 9" 4' 3" e 4' 3" e 4' 3" e 2' 4" e 2' 4" e 2' 4" e 550S ' 2" e 5' 2" e 5' 2" e 2' 4" e 2' 4" e 2' 4" e 0' 9" e 0' 9" e 0' 9" e 550S ' 4" e 2' 4" e 2' 4" e 0' " e 0' " e 0' " e 8' 9" e 8' 9" e 8' 9" e 550S ' 0" 22' 9" 9' 0" 9' 6" 9' 6" 7' 4" 6' " 6' " 5' 9" 550S ' 8" 20' 8" 8' " 6' " 6' " 5' 9" 4' 7" 4' 7" 4' 4" 550S ' " 6' " 5' 9" 3' 9" 3' 9" 3' 9" ' " e ' " e ' " e 550S ' 8" 23' 7" 20' 7" 2' 0" 20' 7" 8' 0" 8' 2" 8' 2" 6' 4" 550S ' 3" 2' 5" 8' 8" 8' 2" 8' 2" 6' 4" 5' 9" 5' 9" 4' 0" 550S ' 2" 8' 2" 6' 4" 4' 0" 4' 0" 4' 3" 2' 0" e 2' 0" e 2' 0" e 550S ' 9" 24' 5" 2' 4" 22' 8" 2' 4" 8' 8" 9' 8" 9' 5" 6' " 550S ' " 22' 2" 9' 5" 9' 8" 9' 5" 6' " 7' 0" 7' 0" 5' 5" 550S ' 8" 9' 5" 6' " 6' " 6' " 4' 0" 3' " 3' " 3' 5" 550S ' 8" 26' 9" 23' 4" 27' 8" 23' 4" 20' 5" 24' 0" 2' 3" 8' 6" 550S ' 4" 24' 4" 2' 3" 24' 0" 2' 3" 8' 6" 20' 9" 9' 3" 6' 0" 550S ' 0" 2' 3" 8' 6" 9' 7" 8' 6" 6' 2" 6' " 6' 0" 4' 9" 550S ' 2" 28' 9" 25' " 3' 7" 25' " 2' " 28' 3" 22' 9" 9' " 550S ' 0" 26' " 22' 9" 28' 3" 22' 9" 9' " 24' 5" 20' 8" 8' " 550S ' 3" 22' 9" 9' " 23' 0" 9' " 7' 5" 9' " 8' " 5' 0" 550S ' " 28' 8" 25' 0" 3' 6" 25' 0" 2' 0" 28' 8" 22' 9" 9' 0" 550S ' 9" 26' 0" 22' 9" 28' 8" 22' 9" 9' 0" 26' 0" 20' 8" 8' 0" 550S ' 8" 22' 9" 9' 0" 25' 0" 9' 0" 7' 4" 22' 9" 8' 0" 5' 9" 550S ' 8" 30' 9" 26' 0" 33' 0" 26' 0" 23' 5" 30' 9" 24' 5" 2' 4" 550S ' 2" 27' " 24' 5" 30' 9" 24' 5" 2' 4" 27' " 22' 2" 9' 4" 550S ' 9" 24' 5" 2' 4" 26' 7" 2' 4" 8' 7" 23' 0" 9' 4" 6' " 550S ' 8" 30' 9" 26' 0" 33' 0" 26' 0" 23' 5" 30' 9" 24' 5" 2' 4" 550S ' 2" 27' " 24' 5" 30' 9" 24' 5" 2' 4" 27' " 22' 2" 9' 4" 550S ' 9" 24' 5" 2' 4" 26' 0" 2' 4" 8' 7" 24' 5" 9' 4" 6' " 600S ' 2" e 8' 2" e 7' 0" e 4' 0" e 4' 0" e 4' 0" e 2' 0" e 2' 0" e 2' 0" e 600S ' 9" e 5' 9" e 5' 9" e 2' 0" e 2' 0" e 2' 0" e ' 2" e ' 2" e ' 2" e 600S ' 0" e 2' 0" e 2' 0" e 0' 6" e 0' 6" e 0' 6" e 9' " e 9' " e 9' " e 600S ' " 24' 4" 2' 3" 20' 4" 20' 4" 8' 7" 7' 7" 7' 7" 6' 0" 600S ' 7" 2' 7" 9' 4" 7' 7" 7' 7" 6' 0" 5' 3" 5' 3" 5' 3" 600S ' 7" 7' 7" 6' 0" 4' 4" e 4' 4" e 4' 4" e 2' 5" e 2' 5" e 2' 5" e 600S ' 0" 25' 2" 22' 0" 2' " 2' " 9' 3" 9' 0" 9' 0" 7' 6" 600S ' 3" 22' " 20' 0" 9' 0" 9' 0" 7' 6" 6' 5" 6' 5" 5' 0" 600S ' 0" 9' 0" 7' 6" 5' 6" 5' 6" 5' 3" 3' 5" e 3' 5" e 3' 5" e 600S ' 0" 26' 2" 22' 0" 23' 9" 22' 0" 9' " 20' 6" 20' 6" 8' " 600S ' 2" 23' 9" 20' 9" 20' 6" 20' 6" 8' " 7' 9" 7' 9" 6' 6" 600S ' 6" 20' 6" 8' " 6' 9" 6' 9" 5' 0" 4' 6" 4' 6" 4' 5" 600S ' 6" 28' 9" 25' " 29' 0" 25' " 2' " 25' 2" 22' 0" 9' " 600S ' 9" 26' " 22' 0" 25' 2" 22' 0" 9' " 2' 9" 20' 9" 8' " 600S ' 2" 22' 0" 9' " 20' 6" 9' " 7' 5" 7' 9" 7' 9" 5' 0" See Interior Non-Structural Non-Composite Table Notes Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 2

24 Limiting Wall Heights - Non-Composite Interior Non-Structural Non-Composite 5 psf 7.5 psf 0 psf Stud Member Spacing in, oc Fy, ksi L/20 L/240 L/360 L/20 L/240 L/360 L/20 L/240 L/ S ' 0" 30' 0" 26' " 33' " 26' " 23' 6" 29' 8" 24' 6" 2' 5" 600S ' 4" 28' 0" 24' 6" 29' 8" 24' 6" 2' 5" 25' 8" 22' 3" 9' 5" 600S ' 8" 24' 6" 2' 5" 24' 3" 2' 5" 8' 8" 2' 0" 9' 5" 7' 0" 600S ' 9" 30' 9" 26' 0" 33' 0" 26' 0" 23' 6" 30' 9" 24' 5" 2' 4" 600S ' 3" 27' " 24' 5" 30' 9" 24' 5" 2' 4" 27' " 22' 2" 9' 5" 600S ' 9" 24' 5" 2' 4" 26' 0" 2' 4" 8' 8" 24' " 9' 5" 6' " 600S ' 7" 33' 0" 28' 0" 36' 4" 28' 0" 25' 2" 33' 0" 26' 2" 22' " 600S ' 9" 30' 0" 26' 2" 33' 0" 26' 2" 22' " 30' 0" 23' 0" 20' 9" 600S ' 0" 26' 2" 22' " 28' 4" 22' " 20' 0" 24' 6" 20' 9" 8' 2" 600S ' 7" 33' 0" 28' 0" 36' 4" 28' 0" 25' 2" 33' 0" 26' 2" 22' " 600S ' 9" 30' 0" 26' 2" 33' 0" 26' 2" 22' " 30' 0" 23' 0" 20' 9" 600S ' 0" 26' 2" 22' " 28' 0" 22' " 20' 0" 26' 2" 20' 9" 8' 2" 800S ' " 32' 8" 28' 6" 27' 0" 27' 0" 24' " 23' 5" 23' 5" 22' 8" 800S ' 8" 28' 8" 25' " 23' 5" 23' 5" 22' 8" 20' 3" 20' 3" 20' 3" 800S ' 5" 23' 5" 22' 8" 9' " 9' " 9' " 6' 7" e 6' 7" e 6' 7" e 800S ' " 36' " 3' 6" 33' 5" 3' 6" 27' 6" 28' " 28' 8" 25' 0" 800S ' 6" 32' 9" 28' 8" 28' " 28' 8" 25' 0" 25' " 25' " 22' 9" 800S ' " 28' 8" 25' 0" 23' 8" 23' 8" 2' 0" 20' 6" 20' 6" 9' 0" 800S ' 0" 39' " 34' 2" 39' " 34' 2" 29' 0" 34' 6" 3' " 27' 2" 800S ' 4" 35' 7" 3' " 34' 6" 3' " 27' 2" 29' " 28' 3" 24' 8" 800S ' 6" 3' " 27' 2" 28' 2" 27' 2" 23' 8" 24' 5" 24' 5" 2' 6" 800S ' 0" 38' 9" 33' 0" 42' 8" 33' 0" 29' 7" 38' 9" 30' 9" 26' 0" 800S ' 4" 35' 2" 30' 9" 38' 9" 30' 9" 26' 0" 34' " 27' " 24' 5" 800S ' 9" 30' 9" 26' 0" 32' " 26' 0" 23' 6" 27' 0" 24' 5" 2' 4" 800S ' " 42' 0" 36' 8" 46' 3" 36' 8" 32' " 4' 0" 33' 4" 29' 2" 800S ' " 38' 2" 33' 4" 4' 0" 33' 4" 29' 2" 35' 6" 30' 4" 26' 6" 800S ' 0" 33' 4" 29' 2" 33' 6" 29' 2" 25' 5" 29' 0" 26' 6" 23' " 800S ' " 42' 0" 36' 8" 46' 2" 36' 8" 32' 0" 42' 0" 33' 4" 29' " 800S ' " 38' 2" 33' 4" 42' 0" 33' 4" 29' " 38' 2" 30' 3" 26' 5" 800S ' 0" 33' 4" 29' " 36' 8" 29' " 25' 5" 33' 4" 26' 5" 23' " See Interior Non-Structural Non-Composite Table Notes 22 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

25 Limiting Wall Heights - Curtain Wall -span Wall Height Table Notes. Lateral loads have not been modified for strength checks: full loads have been applied. 2. Calculated properties are based on AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 3. Lateral loads of 0 psf and higher wind pressures have been multiplied by 0.7 for deflection determination, in accordance with footnote f of IBC table The 5 psf live load has not been reduced. 4. Limiting heights are based upon continuous support of each flange over the full length of the stud. 5. Limiting heights are based upon steel properties alone (non-composite). 6. Web crippling checks are based upon end-one flange loading condition using -inch end bearing. 7. End shear and web crippling capacity have not been reduced for punchouts. Punchouts are assumed to be at least 0-inches from the end of members, in accordance with ASTM C955, section Where limiting heights are followed by e, web stiffeners are required. 9. Curtain Wall -span (simple span) is a stud member that is attached to structure only at the top and bottom of the stud. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 23

26 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 6" 3' 0" 2' " 0' 0" 9' 5" 8' 0" 9' 0" 8' 7" 7' 3" 9' " 8' 0" 6' 9" 8' 4" 7' 6" 6' 4" 7' 8" 7' 2" 6' 0" 7' 2" 6' 0" 5' 9" 250S ' 0" 2' 7" ' 0" 9' 0" 8' 7" 7' 3" 8' 0" 7' 0" 6' 7" 7' 0" 7' 3" 6' " 7' 2" 6' 0" 5' 9" 6' 8" 6' 6" 5' 6" 6' 3" 6' 2" 5' 3" 250S ' 0" ' 0" 9' 7" 8' 4" 7' 6" 6' 4" 7' 2" 6' 0" 5' 9" 6' 5" 6' 4" 5' 4" 5' 0" e 5' 0" e 5' 0" 5' 5" e 5' 5" e 4' 9" 5' " e 5' " e 4' 7" e 250S ' 0" 5' " 3' 2" ' 9" 0' 3" 8' 8" 0' 8" 9' 4" 7' 0" 9' " 8' 8" 7' 4" 9' 4" 8' 2" 6' " 8' 0" 7' 9" 6' 6" 8' 3" 7' 5" 6' 3" 250S ' 3" 3' 8" ' " 0' 8" 9' 4" 7' 0" 9' 9" 8' 6" 7' 2" 9' 0" 7' 0" 6' 8" 8' 3" 7' 5" 6' 3" 7' 8" 7' 0" 5' " 7' 2" 6' 9" 5' 8" 250S ' " ' " 0' 5" 9' 4" 8' 2" 6' " 8' 3" 7' 5" 6' 3" 7' 5" 6' " 5' 0" 6' 9" 6' 6" 5' 6" 6' 3" 6' 2" 5' 2" 5' 0" 5' 0" 5' 0" 250S ' 3" 6' " 4' " 2' 7" ' 0" 9' 3" ' 5" 0' 0" 8' 5" 0' 7" 9' 3" 7' 0" 0' 0" 8' 9" 7' 4" 9' 6" 8' 3" 7' 0" 9' " 7' " 6' 8" 250S ' 5" 4' 8" 2' 9" ' 5" 0' 0" 8' 5" 0' 5" 9' " 7' 8" 9' 8" 8' 5" 7' " 9' " 7' " 6' 8" 8' 6" 7' 6" 6' 4" 7' " 7' 2" 6' " 250S ' " 2' 9" ' 2" 0' 0" 8' 9" 7' 4" 9' " 7' " 6' 8" 8' 2" 7' 4" 6' 2" 7' 6" 6' " 5' 0" 6' " 6' 7" 5' 7" 6' 6" 6' 3" 5' 4" 250S ' 3" 6' " 4' " 2' 7" ' 0" 9' 3" ' 5" 0' 0" 8' 5" 0' 7" 9' 3" 7' 0" 0' 0" 8' 9" 7' 4" 9' 6" 8' 3" 7' 0" 9' " 7' " 6' 8" 250S ' 5" 4' 8" 2' 9" ' 5" 0' 0" 8' 5" 0' 5" 9' " 7' 8" 9' 8" 8' 5" 7' " 9' " 7' " 6' 8" 8' 7" 7' 6" 6' 4" 8' 3" 7' 2" 6' " 250S ' " 2' 9" ' 2" 0' 0" 8' 9" 7' 4" 9' " 7' " 6' 8" 8' 5" 7' 4" 6' 2" 7' " 6' " 5' 0" 7' 6" 6' 7" 5' 7" 7' 2" 6' 3" 5' 4" 250S ' 8" 7' 2" 5' 0" 3' 5" ' 9" 9' " 2' 2" 0' 8" 9' 0" ' 4" 9' " 8' 4" 0' 8" 9' 4" 7' 0" 0' " 8' 0" 7' 5" 9' 8" 8' 5" 7' " 250S ' 8" 5' 7" 3' 8" 2' 2" 0' 8" 9' 0" ' " 9' 8" 8' 2" 0' 3" 9' 0" 7' 7" 9' 8" 8' 5" 7' " 9' 2" 8' 0" 6' 9" 8' 9" 7' 8" 6' 6" 250S ' 2" 3' 8" ' " 0' 8" 9' 4" 7' 0" 9' 8" 8' 5" 7' " 9' 0" 7' 0" 6' 7" 8' 3" 7' 5" 6' 3" 7' 7" 7' 0" 5' " 7' 2" 6' 8" 5' 8" 250S ' 8" 7' 2" 5' 0" 3' 5" ' 9" 9' " 2' 2" 0' 8" 9' 0" ' 4" 9' " 8' 4" 0' 8" 9' 4" 7' 0" 0' " 8' 0" 7' 5" 9' 8" 8' 5" 7' " 250S ' 8" 5' 7" 3' 8" 2' 2" 0' 8" 9' 0" ' " 9' 8" 8' 2" 0' 3" 9' 0" 7' 7" 9' 8" 8' 5" 7' " 9' 2" 8' 0" 6' 9" 8' 9" 7' 8" 6' 6" 250S ' 2" 3' 8" ' " 0' 8" 9' 4" 7' 0" 9' 8" 8' 5" 7' " 9' 0" 7' 0" 6' 7" 8' 5" 7' 5" 6' 3" 8' 0" 7' 0" 5' " 7' 8" 6' 8" 5' 8" 250S ' 4" 4' 7" 2' 9" ' 4" 9' " 8' 5" 0' 4" 9' 0" 7' 7" 9' 7" 8' 5" 7' " 8' " 7' " 6' 8" 8' 3" 7' 6" 6' 4" 7' 8" 7' 2" 6' 0" 250S ' 8" 3' 3" ' 7" 0' 4" 9' 0" 7' 7" 9' 5" 8' 2" 6' " 8' 5" 7' 7" 6' 5" 7' 8" 7' 2" 6' 0" 7' 2" 6' 0" 5' 9" 6' 8" e 6' 6" e 5' 6" 250S ' 7" ' 7" 0' " 8' " 7' " 6' 8" 7' 8" 7' 2" 6' 0" 6' " 6' 8" 5' 7" 6' 3" e 6' 3" e 5' 3" 5' 0" e 5' 0" e 5' 0" e 5' 5" e 5' 5" e 4' 0" e 250S ' " 5' 0" 3' 0" 2' 4" 0' 0" 9' " ' 3" 9' 0" 8' 3" 0' 5" 9' " 7' 8" 9' 0" 8' 7" 7' 3" 9' 4" 8' 2" 6' 0" 8' " 7' 9" 6' 7" 250S ' " 4' 4" 2' 7" ' 3" 9' 0" 8' 3" 0' 2" 8' " 7' 6" 9' 6" 8' 3" 7' 0" 8' " 7' 9" 6' 7" 8' 3" 7' 5" 6' 3" 7' 9" 7' " 6' 0" 250S ' 0" 2' 7" ' 0" 9' 0" 8' 7" 7' 3" 8' " 7' 9" 6' 7" 8' 0" 7' 3" 6' " 7' 3" 6' 0" 5' 9" 6' 9" 6' 6" 5' 5" 6' 4" 6' 2" 5' 3" 250S ' 4" 6' " 4' 9" 3' 3" ' 7" 9' 9" 2' 0" 0' 6" 8' 0" ' 2" 9' 9" 8' 3" 0' 6" 9' 2" 7' 9" 0' 0" 8' 8" 7' 4" 9' 6" 8' 4" 7' 0" 250S ' 4" 5' 5" 3' 5" 2' 0" 0' 6" 8' 0" 0' " 9' 6" 8' 0" 0' 2" 8' 0" 7' 6" 9' 6" 8' 4" 7' 0" 9' " 7' " 6' 8" 8' 7" 7' 7" 6' 5" 250S ' " 3' 5" ' 9" 0' 6" 9' 2" 7' 9" 9' 6" 8' 4" 7' 0" 8' 0" 7' 9" 6' 6" 8' " 7' 3" 6' 2" 7' 6" 6' " 5' 0" 7' 0" 6' 7" 5' 7" 250S ' 4" 6' " 4' 9" 3' 3" ' 7" 9' 9" 2' 0" 0' 6" 8' 0" ' 2" 9' 9" 8' 3" 0' 6" 9' 2" 7' 9" 0' 0" 8' 8" 7' 4" 9' 6" 8' 4" 7' 0" 250S ' 4" 5' 5" 3' 5" 2' 0" 0' 6" 8' 0" 0' " 9' 6" 8' 0" 0' 2" 8' 0" 7' 6" 9' 6" 8' 4" 7' 0" 9' " 7' " 6' 8" 8' 8" 7' 7" 6' 5" 250S ' " 3' 5" ' 9" 0' 6" 9' 2" 7' 9" 9' 6" 8' 4" 7' 0" 8' 0" 7' 9" 6' 6" 8' 4" 7' 3" 6' 2" 7' " 6' " 5' 0" 7' 7" 6' 7" 5' 7" 250S ' 9" 8' " 5' 9" 4' " 2' 4" 0' 5" 2' 0" ' 2" 9' 5" ' " 0' 5" 8' 9" ' 2" 9' 9" 8' 3" 0' 8" 9' 4" 7' 0" 0' 2" 8' " 7' 6" 250S ' 8" 6' 5" 4' 4" 2' 0" ' 2" 9' 5" ' 8" 0' 2" 8' 7" 0' 0" 9' 5" 8' 0" 0' 2" 8' " 7' 6" 9' 8" 8' 5" 7' " 9' 3" 8' " 6' 0" 250S ' " 4' 4" 2' 6" ' 2" 9' 9" 8' 3" 0' 2" 8' " 7' 6" 9' 5" 8' 3" 7' 0" 8' " 7' 9" 6' 7" 8' 3" 7' 5" 6' 3" 7' 8" 7' " 5' " 250S ' 9" 8' " 5' 9" 4' " 2' 4" 0' 5" 2' 0" ' 2" 9' 5" ' " 0' 5" 8' 9" ' 2" 9' 9" 8' 3" 0' 8" 9' 4" 7' 0" 0' 2" 8' " 7' 6" 250S ' 8" 6' 5" 4' 4" 2' 0" ' 2" 9' 5" ' 8" 0' 2" 8' 7" 0' 0" 9' 5" 8' 0" 0' 2" 8' " 7' 6" 9' 8" 8' 5" 7' " 9' 3" 8' " 6' 0" 250S ' " 4' 4" 2' 6" ' 2" 9' 9" 8' 3" 0' 2" 8' " 7' 6" 9' 5" 8' 3" 7' 0" 8' " 7' 9" 6' 7" 8' 5" 7' 5" 6' 3" 8' " 7' " 5' " 350S ' 9" 8' 0" 6' 5" 4' 8" 2' 0" 0' 0" 3' 2" ' 8" 9' 0" ' 9" 0' 0" 9' 2" 0' 9" 0' 2" 8' 7" 9' " e 9' 8" e 8' 2" 9' 4" e 9' 3" e 7' 0" 350S ' 7" 7' " 4' " 3' 2" ' 8" 9' 0" ' 5" 0' 7" 8' " 0' 2" e 9' 0" 8' 4" 9' 4" e 9' 3" e 7' 0" 8' 7" e 8' 7" e 7' 5" e 8' " e 8' " e 7' " e 350S ' 8" 4' " 3' " 0' 9" 0' 2" 8' 7" 9' 4" e 9' 3" e 7' 0" 8' 4" e 8' 4" e 7' 3" e 7' 7" e 7' 7" e 6' 0" e 7' 0" e 7' 0" e 6' 6" e 6' 7" e 6' 7" e 6' 2" e 350S ' 0" 20' 6" 7' " 6' 0" 4' 0" ' 9" 4' 6" 2' 8" 0' 8" 3' 6" ' 9" 9' " 2' 8" ' " 9' 4" ' 8" 0' 6" 8' " 0' " 0' " 8' 6" 350S ' 5" 8' 7" 6' 3" 4' 6" 2' 8" 0' 8" 3' 2" ' 6" 9' 9" 2' 0" 0' 8" 9' 0" 0' " 0' " 8' 6" 0' 2" 9' 7" 8' " 9' 6" 9' 2" 7' 9" 350S ' 6" 6' 3" 4' 2" 2' 8" ' " 9' 4" 0' " 0' " 8' 6" 9' 9" 9' 4" 7' " 8' " 8' 0" 7' 5" 8' 3" e 8' 3" e 7' " 7' 9" e 7' 9" e 6' 9" 350S ' 8" 2' " 9' 2" 7' 2" 5' 0" 2' 7" 5' 7" 3' 7" ' 6" 4' 5" 2' 7" 0' 8" 3' 7" ' 0" 0' 0" 2' " ' 3" 9' 6" 2' 4" 0' 9" 9' " 350S ' " 9' " 7' 5" 5' 7" 3' 7" ' 6" 4' 2" 2' 4" 0' 5" 3' " ' 6" 9' 8" 2' 4" 0' 9" 9' " ' 5" 0' 3" 8' 8" 0' 8" 9' 0" 8' 3" 350S ' " 7' 5" 5' 2" 3' 7" ' 0" 0' 0" 2' 4" 0' 9" 9' " ' 0" 0' 0" 8' 5" 0' " 9' 5" 7' " 9' 4" 8' " 7' 7" 8' 8" 8' 7" 7' 3" 350S ' 8" 2' " 9' 2" 7' 2" 5' 0" 2' 7" 5' 7" 3' 7" ' 6" 4' 5" 2' 7" 0' 8" 3' 7" ' 0" 0' 0" 2' " ' 3" 9' 6" 2' 4" 0' 9" 9' " 350S ' " 9' " 7' 5" 5' 7" 3' 7" ' 6" 4' 2" 2' 4" 0' 5" 3' " ' 6" 9' 8" 2' 4" 0' 9" 9' " ' 9" 0' 3" 8' 8" ' 3" 9' 0" 8' 3" 350S ' " 7' 5" 5' 2" 3' 7" ' 0" 0' 0" 2' 4" 0' 9" 9' " ' 6" 0' 0" 8' 5" 0' 9" 9' 5" 7' " 0' 3" 8' " 7' 7" 9' 0" 8' 7" 7' 3" 350S ' 7" 23' 6" 20' 6" 8' 4" 6' 0" 3' 6" 6' 8" 4' 6" 2' 3" 5' 5" 3' 6" ' 5" 4' 6" 2' 8" 0' 9" 3' 0" 2' " 0' 2" 3' 3" ' 6" 9' 9" 350S ' 0" 2' 4" 8' 7" 6' 8" 4' 6" 2' 3" 5' " 3' 3" ' 2" 4' 0" 2' 3" 0' 4" 3' 3" ' 6" 9' 9" 2' 7" ' 0" 9' 3" ' 9" 0' 6" 8' 0" 350S ' 6" 8' 7" 6' 3" 4' 6" 2' 8" 0' 9" 3' 3" ' 6" 9' 9" 2' 2" 0' 9" 9' 0" ' " 0' " 8' 6" 0' 3" 9' 7" 8' " 9' 8" 9' 2" 7' 9" 350S ' 7" 23' 6" 20' 6" 8' 4" 6' 0" 3' 6" 6' 8" 4' 6" 2' 3" 5' 5" 3' 6" ' 5" 4' 6" 2' 8" 0' 9" 3' 0" 2' " 0' 2" 3' 3" ' 6" 9' 9" 350S ' 0" 2' 4" 8' 7" 6' 8" 4' 6" 2' 3" 5' " 3' 3" ' 2" 4' 0" 2' 3" 0' 4" 3' 3" ' 6" 9' 9" 2' 7" ' 0" 9' 3" 2' 0" 0' 6" 8' 0" 350S ' 6" 8' 7" 6' 3" 4' 6" 2' 8" 0' 9" 3' 3" ' 6" 9' 9" 2' 3" 0' 9" 9' 0" ' 6" 0' " 8' 6" ' 0" 9' 7" 8' " 0' 6" 9' 2" 7' 9" 350S ' 7" 25' 0" 22' 7" 20' 2" 7' 8" 4' " 8' 4" 6' 0" 3' 6" 7' 0" 4' " 2' 7" 6' 0" 4' 0" ' 0" 5' 3" 3' 4" ' 3" 4' 7" 2' 9" 0' 9" 350S ' 7" 23' 6" 20' 6" 8' 4" 6' 0" 3' 6" 6' 8" 4' 7" 2' 3" 5' 6" 3' 6" ' 5" 4' 7" 2' 9" 0' 9" 3' 0" 2' " 0' 2" 3' 3" ' 7" 9' 9" 350S ' 0" 20' 6" 7' " 6' 0" 4' 0" ' 0" 4' 7" 2' 9" 0' 9" 3' 6" ' 0" 0' 0" 2' 9" ' " 9' 5" ' " 0' 7" 8' " ' 2" 0' " 8' 6" 350S ' 7" 25' 0" 22' 7" 20' 2" 7' 8" 4' " 8' 4" 6' 0" 3' 6" 7' 0" 4' " 2' 7" 6' 0" 4' 0" ' 0" 5' 3" 3' 4" ' 3" 4' 7" 2' 9" 0' 9" 350S ' 7" 23' 6" 20' 6" 8' 4" 6' 0" 3' 6" 6' 8" 4' 7" 2' 3" 5' 6" 3' 6" ' 5" 4' 7" 2' 9" 0' 9" 3' 0" 2' " 0' 2" 3' 3" ' 7" 9' 9" 350S ' 0" 20' 6" 7' " 6' 0" 4' 0" ' 0" 4' 7" 2' 9" 0' 9" 3' 6" ' 0" 0' 0" 2' 9" ' " 9' 5" 2' " 0' 7" 8' " ' 7" 0' " 8' 6" 350S ' 3" 2' 8" 8' " 6' " 4' 9" 2' 5" 5' 4" 3' 5" ' 4" 4' 3" 2' 5" 0' 6" 3' 5" ' 9" 9' " 2' 6" ' " 9' 5" ' 9" 0' 8" 9' 0" 350S ' 9" 9' 8" 7' 2" 5' 4" 3' 5" ' 4" 3' " 2' 2" 0' 3" 2' 0" ' 4" 9' 6" ' 9" 0' 8" 9' 0" 0' 0" 0' " 8' 6" 0' 2" 9' 8" 8' 2" 350S ' 8" 7' 2" 5' 0" 3' 5" ' 9" 9' " ' 9" 0' 8" 9' 0" 0' 6" 9' " 8' 4" 9' 7" e 9' 4" e 7' 0" 8' 0" e 8' 0" e 7' 5" 8' 3" e 8' 3" e 7' " e See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

27 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 3" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 5" 4' 4" 2' " 5' 3" 3' 4" ' 3" 4' 4" 2' 7" 0' 7" 3' 8" ' " 0' " 3' " ' 5" 9' 7" 350S ' 6" 2' " 8' 5" 6' 5" 4' 4" 2' " 4' " 3' " ' 0" 3' 0" 2' " 0' 3" 3' " ' 5" 9' 7" 2' 5" 0' 0" 9' 2" ' 7" 0' 4" 8' 9" 350S ' 2" 8' 5" 6' " 4' 4" 2' 7" 0' 7" 3' " ' 5" 9' 7" 2' 0" 0' 7" 8' " 0' " 0' 0" 8' 5" 0' " 9' 6" 8' 0" 9' 5" 9' " 7' 8" 350S ' 3" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 5" 4' 4" 2' " 5' 3" 3' 4" ' 3" 4' 4" 2' 7" 0' 7" 3' 8" ' " 0' " 3' " ' 5" 9' 7" 350S ' 6" 2' " 8' 5" 6' 5" 4' 4" 2' " 4' " 3' " ' 0" 3' 0" 2' " 0' 3" 3' " ' 5" 9' 7" 2' 5" 0' 0" 9' 2" ' 0" 0' 4" 8' 9" 350S ' 2" 8' 5" 6' " 4' 4" 2' 7" 0' 7" 3' " ' 5" 9' 7" 2' " 0' 7" 8' " ' 5" 0' 0" 8' 5" 0' 0" 9' 6" 8' 0" 0' 4" 9' " 7' 8" 350S ' 3" 24' 0" 2' 8" 9' 5" 6' " 4' 3" 7' 7" 5' 5" 3' 0" 6' 4" 4' 3" 2' " 5' 5" 3' 5" ' 4" 4' 7" 2' 9" 0' 9" 4' 0" 2' 3" 0' 4" 350S ' 5" 22' 7" 9' 8" 7' 7" 5' 5" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 4' 0" 2' 3" 0' 4" 3' 3" ' 7" 9' 9" 2' 8" ' " 9' 4" 350S ' 0" 9' 8" 7' 3" 5' 5" 3' 5" ' 4" 4' 0" 2' 3" 0' 4" 3' 0" ' 4" 9' 7" 2' " 0' 8" 9' 0" ' 2" 0' 2" 8' 7" 0' 6" 9' 8" 8' 2" 350S ' 3" 24' 0" 2' 8" 9' 5" 6' " 4' 3" 7' 7" 5' 5" 3' 0" 6' 4" 4' 3" 2' " 5' 5" 3' 5" ' 4" 4' 7" 2' 9" 0' 9" 4' 0" 2' 3" 0' 4" 350S ' 5" 22' 7" 9' 8" 7' 7" 5' 5" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 4' 0" 2' 3" 0' 4" 3' 3" ' 7" 9' 9" 2' 8" ' " 9' 4" 350S ' 0" 9' 8" 7' 3" 5' 5" 3' 5" ' 4" 4' 0" 2' 3" 0' 4" 3' 0" ' 4" 9' 7" 2' 3" 0' 8" 9' 0" ' 7" 0' 2" 8' 7" ' " 9' 8" 8' 2" 350S ' 7" 27' 5" 24' 0" 2' 5" 8' 9" 5' 0" 9' 6" 7' 0" 4' 4" 8' " 5' 0" 3' 4" 7' 0" 4' 0" 2' 6" 6' 2" 4' " ' " 5' 5" 3' 6" ' 5" 350S ' 5" 24' " 2' 9" 9' 6" 7' 0" 4' 4" 7' 8" 5' 5" 3' 0" 6' 5" 4' 4" 2' " 5' 5" 3' 6" ' 5" 4' 8" 2' 0" 0' 0" 4' " 2' 3" 0' 4" 350S ' 5" 2' 9" 9' 0" 7' 0" 4' 0" 2' 6" 5' 5" 3' 6" ' 5" 4' 4" 2' 6" 0' 7" 3' 6" ' 0" 9' " 2' 0" ' 2" 9' 5" 2' 2" 0' 9" 9' 0" 350S ' 7" 27' 5" 24' 0" 2' 5" 8' 9" 5' 0" 9' 6" 7' 0" 4' 4" 8' " 5' 0" 3' 4" 7' 0" 4' 0" 2' 6" 6' 2" 4' " ' " 5' 5" 3' 6" ' 5" 350S ' 5" 24' " 2' 9" 9' 6" 7' 0" 4' 4" 7' 8" 5' 5" 3' 0" 6' 5" 4' 4" 2' " 5' 5" 3' 6" ' 5" 4' 8" 2' 0" 0' 0" 4' " 2' 3" 0' 4" 350S ' 5" 2' 9" 9' 0" 7' 0" 4' 0" 2' 6" 5' 5" 3' 6" ' 5" 4' 4" 2' 6" 0' 7" 3' 6" ' 0" 9' " 2' 0" ' 2" 9' 5" 2' 3" 0' 9" 9' 0" 362S ' 3" 8' 5" 6' " 4' 5" 2' 7" 0' 7" 2' 7" ' 5" 9' 8" ' 3" 0' 7" 8' " 0' 3" 0' 0" 8' 5" 9' 6" e 9' 6" e 8' 0" 8' 0" e 8' 0" e 7' 8" 362S ' " 6' 9" 4' 8" 2' 7" ' 5" 9' 8" 0' 0" 0' 5" 8' 9" 9' 9" 9' 8" 8' 2" 8' 0" e 8' 0" e 7' 8" 8' 3" e 8' 3" e 7' 3" e 7' 8" e 7' 8" e 6' " e 362S ' 9" 4' 8" 2' 0" 0' 3" 0' 0" 8' 5" 8' 0" e 8' 0" e 7' 8" 7' " e 7' " e 7' " e 7' 3" e 7' 3" e 6' 8" e 6' 8" e 6' 8" e 6' 4" e 6' 3" e 6' 3" e 6' " e 362S ' 3" 20' " 7' 6" 5' 8" 3' 8" ' 7" 4' 3" 2' 5" 0' 6" 3' 2" ' 7" 9' 9" 2' 0" 0' 0" 9' 2" ' " 0' 4" 8' 8" 0' 5" 9' 0" 8' 4" 362S ' 0" 8' 3" 5' " 4' 3" 2' 5" 0' 6" 2' 9" ' 4" 9' 6" ' 5" 0' 6" 8' 0" 0' 5" 9' 0" 8' 4" 9' 7" 9' 5" 7' " 9' 0" 9' 0" 7' 7" 362S ' " 5' " 3' " 2' 0" 0' 0" 9' 2" 0' 5" 9' 0" 8' 4" 9' 4" 9' 2" 7' 9" 8' 6" 8' 6" 7' 3" 7' 0" 7' 0" 6' " 7' 4" e 7' 4" e 6' 7" 362S ' " 2' 6" 8' 9" 6' 9" 4' 8" 2' 4" 5' 3" 3' 4" ' 3" 4' 2" 2' 4" 0' 5" 3' 4" ' 8" 9' 0" 2' 6" ' " 9' 4" ' 9" 0' 7" 8' " 362S ' 7" 9' 6" 7' " 5' 3" 3' 4" ' 3" 3' 0" 2' " 0' 2" 2' 0" ' 3" 9' 6" ' 9" 0' 7" 8' " 0' 0" 0' 0" 8' 6" 0' 2" 9' 7" 8' " 362S ' 6" 7' " 4' " 3' 4" ' 8" 9' 0" ' 9" 0' 7" 8' " 0' 6" 9' 0" 8' 3" 9' 7" 9' 3" 7' 9" 8' 0" 8' 9" 7' 5" 8' 3" 8' 3" 7' " 362S ' " 2' 6" 8' 9" 6' 9" 4' 8" 2' 4" 5' 3" 3' 4" ' 3" 4' 2" 2' 4" 0' 5" 3' 4" ' 8" 9' 0" 2' 8" ' " 9' 4" 2' " 0' 7" 8' " 362S ' 7" 9' 6" 7' " 5' 3" 3' 4" ' 3" 3' 0" 2' " 0' 2" 2' 0" ' 3" 9' 6" 2' " 0' 7" 8' " ' 6" 0' 0" 8' 6" ' 0" 9' 7" 8' " 362S ' 6" 7' " 4' " 3' 4" ' 8" 9' 0" 2' " 0' 7" 8' " ' 3" 9' 0" 8' 3" 0' 7" 9' 3" 7' 9" 0' 0" 8' 9" 7' 5" 9' 7" 8' 5" 7' " 362S ' " 22' " 20' " 7' " 5' 8" 3' 2" 6' 3" 4' 3" 2' 0" 5' " 3' 2" ' 2" 4' 3" 2' 5" 0' 6" 3' 6" ' 0" 9' " 2' " ' 4" 9' 6" 362S ' 3" 20' 0" 8' 3" 6' 3" 4' 3" 2' 0" 4' 0" 2' " 0' " 3' 9" 2' 0" 0' " 2' " ' 4" 9' 6" 2' 0" 0' 9" 9' " ' 3" 0' 3" 8' 8" 362S ' " 8' 3" 5' " 4' 3" 2' 5" 0' 6" 2' " ' 4" 9' 6" ' 7" 0' 6" 8' 0" 0' 7" 9' 0" 8' 4" 9' 9" 9' 4" 7' " 9' 2" 9' 0" 7' 7" 362S ' " 22' " 20' " 7' " 5' 8" 3' 2" 6' 3" 4' 3" 2' 0" 5' " 3' 2" ' 2" 4' 3" 2' 5" 0' 6" 3' 6" ' 0" 9' " 2' " ' 4" 9' 6" 362S ' 3" 20' 0" 8' 3" 6' 3" 4' 3" 2' 0" 4' 0" 2' " 0' " 3' 9" 2' 0" 0' " 2' " ' 4" 9' 6" 2' 3" 0' 9" 9' " ' 9" 0' 3" 8' 8" 362S ' " 8' 3" 5' " 4' 3" 2' 5" 0' 6" 2' " ' 4" 9' 6" 2' 0" 0' 6" 8' 0" ' 4" 9' 0" 8' 4" 0' 9" 9' 4" 7' " 0' 3" 9' 0" 7' 7" 362S ' 4" 9' 4" 6' " 5' " 3' 2" ' " 3' 5" 2' 0" 0' " 2' 0" ' " 9' 5" ' 0" 0' 6" 8' 0" 0' 2" e 9' " e 8' 5" 9' 6" e 9' 6" e 8' 0" 362S ' 2" 7' 7" 5' 4" 3' 5" 2' 0" 0' " ' 8" 0' " 9' 2" 0' 5" e 0' " e 8' 6" 9' 6" e 9' 6" e 8' 0" 8' 0" e 8' 0" e 7' 7" e 8' 3" e 8' 3" e 7' 3" e 362S ' 0" 5' 4" 3' 5" ' 0" 0' 6" 8' 0" 9' 6" e 9' 6" e 8' 0" 8' 6" e 8' 6" e 7' 5" e 7' 9" e 7' 9" e 7' 0" e 7' 2" e 7' 2" e 6' 8" e 6' 9" e 6' 9" e 6' 4" e 362S ' 6" 2' 0" 8' 5" 6' 5" 4' 4" 2' " 4' " 3' 0" ' 0" 3' 0" 2' " 0' 2" 2' " ' 5" 9' 7" ' " 0' 0" 9' " ' 2" 0' 4" 8' 9" 362S ' " 9' " 6' 8" 4' " 3' 0" ' 0" 3' 7" ' 0" 0' 0" 2' 3" ' 0" 9' 3" ' 2" 0' 4" 8' 9" 0' 4" 9' 0" 8' 3" 9' 8" 9' 5" 7' " 362S ' 0" 6' 8" 4' 7" 2' " ' 5" 9' 7" ' 2" 0' 4" 8' 9" 0' 0" 9' 7" 8' " 9' 2" 9' 0" 7' 7" 8' 5" e 8' 5" e 7' 3" 7' " e 7' " e 6' " e 362S ' 5" 22' 6" 9' 8" 7' 7" 5' 4" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 4' 0" 2' 2" 0' 3" 3' 3" ' 7" 9' 9" 2' 7" ' " 9' 4" 362S ' 0" 20' 6" 7' " 6' 0" 4' 0" ' 9" 4' 6" 2' 8" 0' 8" 3' 6" ' 9" 9' " 2' 7" ' " 9' 4" ' 8" 0' 6" 8' " 0' " 0' " 8' 6" 362S ' 6" 7' " 5' 7" 4' 0" 2' 2" 0' 3" 2' 7" ' " 9' 4" ' 3" 0' 3" 8' 8" 0' 3" 9' 8" 8' 2" 9' 6" 9' 2" 7' 9" 8' " 8' 0" 7' 5" 362S ' 5" 22' 6" 9' 8" 7' 7" 5' 4" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 4' 0" 2' 2" 0' 3" 3' 3" ' 7" 9' 9" 2' 8" ' " 9' 4" 362S ' 0" 20' 6" 7' " 6' 0" 4' 0" ' 9" 4' 6" 2' 8" 0' 8" 3' 6" ' 9" 9' " 2' 8" ' " 9' 4" 2' " 0' 6" 8' " ' 6" 0' " 8' 6" 362S ' 6" 7' " 5' 7" 4' 0" 2' 2" 0' 3" 2' 8" ' " 9' 4" ' 9" 0' 3" 8' 8" ' " 9' 8" 8' 2" 0' 6" 9' 2" 7' 9" 0' " 8' 0" 7' 5" 362S ' 5" 24' " 2' " 8' 0" 6' 5" 3' 0" 7' " 4' " 2' 7" 5' " 3' 0" ' 8" 4' " 3' " ' 0" 4' 2" 2' 5" 0' 6" 3' 7" ' 0" 0' 0" 362S ' 7" 2' " 9' 2" 7' " 4' " 2' 7" 5' 6" 3' 7" ' 5" 4' 5" 2' 7" 0' 8" 3' 7" ' 0" 0' 0" 2' " ' 3" 9' 6" 2' " 0' 9" 9' " 362S ' " 9' 2" 6' 9" 4' " 3' " ' 0" 3' 7" ' 0" 0' 0" 2' 6" ' 0" 9' 3" ' 5" 0' 4" 8' 9" 0' 6" 9' 0" 8' 4" 9' 0" 9' 5" 7' " 362S ' 5" 24' " 2' " 8' 0" 6' 5" 3' 0" 7' " 4' " 2' 7" 5' " 3' 0" ' 8" 4' " 3' " ' 0" 4' 2" 2' 5" 0' 6" 3' 7" ' 0" 0' 0" 362S ' 7" 2' " 9' 2" 7' " 4' " 2' 7" 5' 6" 3' 7" ' 5" 4' 5" 2' 7" 0' 8" 3' 7" ' 0" 0' 0" 2' " ' 3" 9' 6" 2' 4" 0' 9" 9' " 362S ' " 9' 2" 6' 9" 4' " 3' " ' 0" 3' 7" ' 0" 0' 0" 2' 7" ' 0" 9' 3" ' 0" 0' 4" 8' 9" ' 3" 9' 0" 8' 4" 0' 9" 9' 5" 7' " 362S ' 6" 26' 7" 23' 3" 20' 9" 8' 2" 5' 4" 8' 0" 6' 6" 3' " 7' 6" 5' 4" 2' " 6' 6" 4' 5" 2' 2" 5' 8" 3' 8" ' 6" 5' 0" 3' " ' 0" 362S ' 5" 24' 2" 2' " 8' 0" 6' 6" 3' " 7' 2" 5' 0" 2' 8" 5' " 3' " ' 9" 5' 0" 3' " ' 0" 4' 3" 2' 5" 0' 6" 3' 7" ' " 0' 0" 362S ' 7" 2' " 8' 5" 6' 6" 4' 5" 2' 2" 5' 0" 3' " ' 0" 3' " 2' 2" 0' 3" 3' " ' 5" 9' 8" 2' 3" 0' 0" 9' 2" ' 5" 0' 5" 8' 9" 362S ' 6" 26' 7" 23' 3" 20' 9" 8' 2" 5' 4" 8' 0" 6' 6" 3' " 7' 6" 5' 4" 2' " 6' 6" 4' 5" 2' 2" 5' 8" 3' 8" ' 6" 5' 0" 3' " ' 0" 362S ' 5" 24' 2" 2' " 8' 0" 6' 6" 3' " 7' 2" 5' 0" 2' 8" 5' " 3' " ' 9" 5' 0" 3' " ' 0" 4' 3" 2' 5" 0' 6" 3' 7" ' " 0' 0" 362S ' 7" 2' " 8' 5" 6' 6" 4' 5" 2' 2" 5' 0" 3' " ' 0" 3' " 2' 2" 0' 3" 3' " ' 5" 9' 8" 2' 5" 0' 0" 9' 2" ' " 0' 5" 8' 9" 362S ' 8" 20' 4" 7' 9" 5' " 3' " ' 8" 4' " 2' 7" 0' 8" 2' 7" ' 8" 9' 0" ' 6" e ' 0" e 9' 3" 0' 8" e 0' 6" e 8' 0" 9' " e 9' " e 8' 5" e 362S ' 3" 8' 6" 6' 2" 4' " 2' 7" 0' 8" 2' 2" ' 5" 9' 8" 0' " e 0' 8" e 9' 0" 9' " e 9' " e 8' 5" e 9' 3" e 9' 3" e 8' 0" e 8' 7" e 8' 7" e 7' 8" e 362S ' " 6' 2" 4' " ' 6" e ' 0" e 9' 3" 9' " e 9' " e 8' 5" e 8' " e 8' " e 7' 0" e 8' 2" e 8' 2" e 7' 4" e 7' 6" e 7' 6" e 7' 0" e 7' 0" e 7' 0" e 6' 8" e See Curtain Wall Limiting Heights Table Notes on page 23. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 25

28 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 0" 22' 3" 9' 5" 7' 4" 5' 2" 2' 9" 5' 9" 3' 9" ' 7" 4' 8" 2' 9" 0' 9" 3' 9" 2' 0" 0' 2" 2' 0" ' 5" 9' 8" 2' 0" 0' " 9' 3" 362S ' 5" 20' 2" 7' 8" 5' 9" 3' 9" ' 7" 4' 4" 2' 6" 0' 7" 3' " ' 7" 9' 0" 2' 0" 0' " 9' 3" ' " 0' 5" 8' 9" 0' 4" 9' " 8' 4" 362S ' 3" 7' 8" 5' 5" 3' 9" 2' 0" 0' 2" 2' 0" 0' " 9' 3" 0' 8" 0' 2" 8' 7" 9' 9" e 9' 7" e 8' " 9' " e 9' " e 7' 8" 8' 6" e 8' 6" e 7' 4" e 362S ' 0" 23' 0" 20' 0" 8' 7" 6' 3" 3' 8" 6' " 4' 9" 2' 5" 5' 8" 3' 8" ' 7" 4' 9" 2' " 0' " 4' 0" 2' 3" 0' 4" 3' 5" ' 9" 9' " 362S ' 3" 2' 8" 8' " 6' " 4' 9" 2' 5" 5' 4" 3' 5" ' 4" 4' 3" 2' 5" 0' 6" 3' 5" ' 9" 9' " 2' 8" ' 2" 9' 5" ' 0" 0' 8" 9' 0" 362S ' 0" 8' " 6' 6" 4' 9" 2' " 0' " 3' 5" ' 9" 9' " 2' 3" 0' " 9' 2" ' 2" 0' 3" 8' 8" 0' 4" 9' 9" 8' 2" 9' 8" 9' 4" 7' 0" 362S ' 0" 23' 0" 20' 0" 8' 7" 6' 3" 3' 8" 6' " 4' 9" 2' 5" 5' 8" 3' 8" ' 7" 4' 9" 2' " 0' " 4' 0" 2' 3" 0' 4" 3' 5" ' 9" 9' " 362S ' 3" 2' 8" 8' " 6' " 4' 9" 2' 5" 5' 4" 3' 5" ' 4" 4' 3" 2' 5" 0' 6" 3' 5" ' 9" 9' " 2' 9" ' 2" 9' 5" 2' 2" 0' 8" 9' 0" 362S ' 0" 8' " 6' 6" 4' 9" 2' " 0' " 3' 5" ' 9" 9' " 2' 5" 0' " 9' 2" ' 9" 0' 3" 8' 8" ' 2" 9' 9" 8' 2" 0' 8" 9' 4" 7' 0" 362S ' 2" 25' 6" 22' 3" 9' " 7' 5" 4' 8" 8' " 5' 0" 3' 4" 6' 0" 4' 8" 2' 5" 5' 0" 3' 0" ' 8" 5' 0" 3' " ' " 4' 4" 2' 7" 0' 7" 362S ' 2" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 5" 4' 4" 2' " 5' 3" 3' 4" ' 3" 4' 4" 2' 7" 0' 7" 3' 8" ' " 0' " 3' " ' 5" 9' 7" 362S ' 6" 20' 3" 7' 8" 5' 0" 3' 0" ' 8" 4' 4" 2' 7" 0' 7" 3' 4" ' 8" 9' 0" 2' 5" ' 0" 9' 3" ' 6" 0' 5" 8' 9" 0' 9" 0' 0" 8' 5" 362S ' 2" 25' 6" 22' 3" 9' " 7' 5" 4' 8" 8' " 5' 0" 3' 4" 6' 0" 4' 8" 2' 5" 5' 0" 3' 0" ' 8" 5' 0" 3' " ' " 4' 4" 2' 7" 0' 7" 362S ' 2" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 5" 4' 4" 2' " 5' 3" 3' 4" ' 3" 4' 4" 2' 7" 0' 7" 3' 8" ' " 0' " 3' " ' 5" 9' 7" 362S ' 6" 20' 3" 7' 8" 5' 0" 3' 0" ' 8" 4' 4" 2' 7" 0' 7" 3' 4" ' 8" 9' 0" 2' 7" ' 0" 9' 3" ' " 0' 5" 8' 9" ' 5" 0' 0" 8' 5" 362S ' 6" 28' 3" 24' 8" 22' 0" 9' 3" 6' 3" 20' 0" 7' 6" 4' 9" 8' 7" 6' 3" 3' 8" 7' 6" 5' 3" 2' " 6' 7" 4' 6" 2' 3" 5' " 3' " ' 8" 362S ' 3" 25' 8" 22' 5" 20' 0" 7' 6" 4' 9" 8' 2" 5' " 3' 5" 6' " 4' 9" 2' 5" 5' " 3' " ' 8" 5' " 3' 2" ' " 4' 5" 2' 7" 0' 8" 362S ' 3" 22' 5" 9' 7" 7' 6" 5' 3" 2' " 5' " 3' " ' 8" 4' 9" 2' " 0' 0" 3' " 2' " 0' 3" 3' 2" ' 6" 9' 9" 2' 6" ' 0" 9' 3" 362S ' 6" 28' 3" 24' 8" 22' 0" 9' 3" 6' 3" 20' 0" 7' 6" 4' 9" 8' 7" 6' 3" 3' 8" 7' 6" 5' 3" 2' " 6' 7" 4' 6" 2' 3" 5' " 3' " ' 8" 362S ' 3" 25' 8" 22' 5" 20' 0" 7' 6" 4' 9" 8' 2" 5' " 3' 5" 6' " 4' 9" 2' 5" 5' " 3' " ' 8" 5' " 3' 2" ' " 4' 5" 2' 7" 0' 8" 362S ' 3" 22' 5" 9' 7" 7' 6" 5' 3" 2' " 5' " 3' " ' 8" 4' 9" 2' " 0' 0" 3' " 2' " 0' 3" 3' 2" ' 6" 9' 9" 2' 7" ' 0" 9' 3" 362S ' 8" 2' 2" 8' 6" 6' 6" 4' 5" 2' 2" 4' 7" 3' 2" ' " 3' 0" 2' 2" 0' 3" ' " e ' 6" e 9' 8" ' 0" e 0' " e 9' 2" 0' 4" e 0' 4" e 8' 9" e 362S ' 3" 9' 3" 6' 0" 4' 7" 3' 2" ' " 2' 7" e ' " 0' " ' 3" e ' " e 9' 4" 0' 4" e 0' 4" e 8' 9" e 9' 6" e 9' 6" e 8' 4" e 8' " e 8' " e 8' 0" e 362S ' 7" 6' 0" 4' 8" ' " e ' 6" e 9' 8" 0' 4" e 0' 4" e 8' 9" e 9' 3" e 9' 3" e 8' 2" e 8' 5" e 8' 5" e 7' 8" e 7' 9" e 7' 9" e 7' 4" e 7' 3" e 7' 3" e 7' 0" e 362S ' 6" 23' 5" 20' 6" 8' 4" 6' 0" 3' 6" 6' 7" 4' 6" 2' 3" 5' 5" 3' 6" ' 4" 4' 2" 2' 8" 0' 8" 3' " 2' " 0' 2" 2' 3" ' 6" 9' 9" 362S ' 0" 2' 3" 8' 7" 6' 7" 4' 6" 2' 3" 5' 0" 3' 2" ' 2" 3' 5" 2' 3" 0' 4" 2' 3" ' 6" 9' 9" ' 4" 0' " 9' 3" 0' 8" e 0' 6" e 8' 0" 362S ' 5" 8' 7" 6' 3" 4' 2" 2' 8" 0' 8" 2' 3" ' 6" 9' 9" ' 0" 0' 8" 9' 0" 0' 0" e 0' 0" e 8' 6" 9' 3" e 9' 3" e 8' " e 8' 8" e 8' 8" e 7' 9" e 362S ' 8" 25' 2" 2' " 9' 7" 7' 2" 4' 6" 7' 0" 5' 7" 3' 2" 6' 7" 4' 6" 2' 2" 5' 7" 3' 7" ' 6" 4' 0" 2' " 0' " 3' " 2' 4" 0' 5" 362S ' 9" 22' 0" 9' " 7' 0" 5' 7" 3' 2" 6' 2" 4' 2" ' " 5' 0" 3' 2" ' " 3' " 2' 4" 0' 5" 2' " ' 9" 9' " 2' " ' 3" 9' 6" 362S ' 2" 9' " 7' 5" 5' 7" 3' 7" ' 6" 3' " 2' 4" 0' 5" 2' 6" ' 6" 9' 8" ' 4" 0' 0" 9' " 0' 6" 0' 3" 8' 8" 9' 0" 9' 0" 8' 3" 362S ' 7" 25' " 2' " 9' 7" 7' " 4' 5" 7' 9" 5' 6" 3' " 6' 6" 4' 5" 2' 2" 5' 6" 3' 7" ' 5" 4' 9" 2' " 0' 0" 4' " 2' 4" 0' 5" 362S ' 8" 22' 9" 9' " 7' 9" 5' 6" 3' " 6' 2" 4' " ' " 5' 0" 3' " ' " 4' " 2' 4" 0' 5" 3' 5" ' 8" 9' 0" 2' 0" ' 2" 9' 5" 362S ' " 9' " 7' 4" 5' 6" 3' 7" ' 5" 4' " 2' 4" 0' 5" 3' " ' 5" 9' 8" 2' 4" 0' 9" 9' " ' 8" 0' 3" 8' 7" ' 2" 9' 9" 8' 3" 362S ' " 26' " 23' 6" 2' 0" 8' 5" 5' 6" 9' " 6' 8" 4' " 7' 9" 5' 6" 3' " 6' 8" 4' 7" 2' 4" 5' 0" 3' 0" ' 8" 5' 2" 3' 3" ' 2" 362S ' 0" 24' 6" 2' 5" 9' " 6' 8" 4' " 7' 4" 5' 2" 2' 0" 6' " 4' " ' " 5' 2" 3' 3" ' 2" 4' 5" 2' 7" 0' 7" 3' 9" 2' 0" 0' 2" 362S ' " 2' 5" 8' 8" 6' 8" 4' 7" 2' 4" 5' 2" 3' 3" ' 2" 4' " 2' 4" 0' 5" 3' 3" ' 7" 9' 9" 2' 5" ' 0" 9' 3" ' 8" 0' 6" 8' 0" 362S ' " 26' " 23' 6" 2' 0" 8' 5" 5' 6" 9' " 6' 8" 4' " 7' 9" 5' 6" 3' " 6' 8" 4' 7" 2' 4" 5' 0" 3' 0" ' 8" 5' 2" 3' 3" ' 2" 362S ' 0" 24' 6" 2' 5" 9' " 6' 8" 4' " 7' 4" 5' 2" 2' 0" 6' " 4' " ' " 5' 2" 3' 3" ' 2" 4' 5" 2' 7" 0' 7" 3' 9" 2' 0" 0' 2" 362S ' " 2' 5" 8' 8" 6' 8" 4' 7" 2' 4" 5' 2" 3' 3" ' 2" 4' " 2' 4" 0' 5" 3' 3" ' 7" 9' 9" 2' 7" ' 0" 9' 3" 2' 0" 0' 6" 8' 0" 362S ' 7" 29' 0" 26' " 23' 4" 20' 4" 7' 2" 2' 2" 8' 6" 5' 7" 9' 8" 7' 2" 4' 6" 8' 6" 6' 2" 3' 8" 7' 7" 5' 4" 2' " 6' 0" 4' 8" 2' 5" 362S ' 2" 27' " 23' 8" 2' 2" 8' 6" 5' 7" 9' 3" 6' 0" 4' 2" 7' 0" 5' 7" 3' 2" 6' 0" 4' 8" 2' 5" 6' 0" 3' " ' 9" 5' 3" 3' 4" ' 3" 362S ' 0" 23' 8" 20' 8" 8' 6" 6' 2" 3' 8" 6' 0" 4' 8" 2' 5" 5' 7" 3' 8" ' 6" 4' 8" 2' 0" 0' 0" 3' " 2' 2" 0' 3" 3' 4" ' 8" 9' 0" 362S ' 7" 29' 0" 26' " 23' 4" 20' 4" 7' 2" 2' 2" 8' 6" 5' 7" 9' 8" 7' 2" 4' 6" 8' 6" 6' 2" 3' 8" 7' 7" 5' 4" 2' " 6' 0" 4' 8" 2' 5" 362S ' 2" 27' " 23' 8" 2' 2" 8' 6" 5' 7" 9' 3" 6' 0" 4' 2" 7' 0" 5' 7" 3' 2" 6' 0" 4' 8" 2' 5" 6' 0" 3' " ' 9" 5' 3" 3' 4" ' 3" 362S ' 0" 23' 8" 20' 8" 8' 6" 6' 2" 3' 8" 6' 0" 4' 8" 2' 5" 5' 7" 3' 8" ' 6" 4' 8" 2' 0" 0' 0" 3' " 2' 2" 0' 3" 3' 4" ' 8" 9' 0" 362S ' 6" 2' 0" 9' " 7' " 4' " 2' 7" 4' 0" 3' 6" ' 5" 3' 3" e 2' 7" 0' 7" 2' " e ' 0" e 0' 0" ' 3" e ' 3" e 9' 6" e 0' 6" e 0' 6" e 9' " e 362S ' 0" 9' 0" 7' 4" 4' 0" 3' 6" ' 5" 2' 0" e 2' 4" 0' 4" ' 6" e ' 5" e 9' 8" 0' 6" e 0' 6" e 9' " e 9' 9" e 9' 9" e 8' 7" e 9' " e 9' " e 8' 3" e 362S ' 0" 7' 4" 5' 2" 2' " e ' 0" e 0' 0" 0' 6" e 0' 6" e 9' " e 9' 5" e 9' 5" e 8' 5" e 8' 7" e 8' 7" e 7' " e 7' " e 7' " e 7' 6" e 7' 5" e 7' 5" e 7' 2" e 362S ' 7" 24' 3" 2' 2" 8' " 6' 7" 3' " 7' 3" 5' 0" 2' 8" 5' 8" 3' " ' 9" 4' 4" 3' 2" ' " 3' 3" 2' 6" 0' 6" 2' 5" ' " 0' " 362S ' 9" 22' 0" 9' 3" 7' 3" 5' 0" 2' 8" 5' 2" 3' 8" ' 6" 3' 7" 2' 8" 0' 8" 2' 5" ' " 0' " ' 6" ' 4" 9' 7" 0' 9" e 0' 9" e 9' 2" 362S ' 3" 9' 3" 6' 0" 4' 4" 3' 2" ' " 2' 5" ' " 0' " ' " e ' " e 9' 4" 0' 2" e 0' 2" e 8' 0" 9' 5" e 9' 5" e 8' 4" e 8' 9" e 8' 9" e 8' 0" e 362S ' " 26' 3" 22' " 20' 6" 7' " 5' " 8' 7" 6' 3" 3' 9" 7' 3" 5' " 2' 9" 6' 3" 4' 3" 2' 0" 5' 2" 3' 6" ' 5" 4' 3" 2' " 0' " 362S ' " 23' 0" 20' 0" 8' 7" 6' 3" 3' 9" 6' " 4' 9" 2' 6" 5' 7" 3' 9" ' 7" 4' 3" 2' " 0' " 3' 2" 2' 3" 0' 4" 2' 4" ' 9" 9' " 362S ' 3" 20' 0" 8' 2" 6' 3" 4' 3" 2' 0" 4' 3" 2' " 0' " 2' 9" 2' 0" 0' " ' 7" ' 3" 9' 6" 0' 9" 0' 9" 9' 0" 0' " 0' " 8' 8" 362S ' 5" 25' 8" 22' 5" 20' " 7' 6" 4' 9" 8' 3" 5' " 3' 5" 6' " 4' 9" 2' 6" 5' " 3' " ' 9" 5' 2" 3' 3" ' 2" 4' 6" 2' 8" 0' 8" 362S ' 5" 23' 4" 20' 5" 8' 3" 5' " 3' 5" 6' 7" 4' 6" 2' 2" 5' 5" 3' 5" ' 4" 4' 6" 2' 8" 0' 8" 3' 9" 2' 0" 0' 2" 3' 2" ' 6" 9' 8" 362S ' 8" 20' 5" 7' 0" 5' " 3' " ' 9" 4' 6" 2' 8" 0' 8" 3' 5" ' 9" 9' " 2' 8" ' " 9' 4" 2' 0" 0' 6" 8' 0" ' 6" 0' 0" 8' 6" 362S ' 7" 28' 3" 24' 8" 22' 0" 9' 3" 6' 3" 20' 0" 7' 6" 4' 9" 8' 7" 6' 3" 3' 8" 7' 6" 5' 3" 2' " 6' 7" 4' 6" 2' 3" 5' " 3' " ' 9" 362S ' 4" 25' 8" 22' 5" 20' 0" 7' 6" 4' 9" 8' 2" 5' " 3' 5" 6' " 4' 9" 2' 5" 5' " 3' " ' 9" 5' " 3' 2" ' " 4' 2" 2' 7" 0' 8" 362S ' 3" 22' 5" 9' 7" 7' 6" 5' 3" 2' " 5' " 3' " ' 9" 4' 7" 2' " 0' 0" 3' 4" 2' 2" 0' 3" 2' 4" ' 6" 9' 9" ' 7" ' 0" 9' 4" 362S ' 4" 28' 0" 24' 6" 2' " 9' 2" 6' 2" 9' " 7' 5" 4' 8" 8' 6" 6' 2" 3' 7" 7' 5" 5' 2" 2' 0" 6' 6" 4' 5" 2' 2" 5' 9" 3' 0" ' 8" 362S ' " 25' 6" 22' 3" 9' " 7' 5" 4' 8" 8' " 5' 9" 3' 4" 6' 9" 4' 8" 2' 4" 5' 9" 3' 0" ' 8" 5' 0" 3' " ' " 4' 4" 2' 6" 0' 7" 362S ' 0" 22' 3" 9' 5" 7' 5" 5' 2" 2' 0" 5' 9" 3' 0" ' 8" 4' 8" 2' 0" 0' 0" 3' 0" 2' " 0' 2" 3' " ' 5" 9' 8" 2' 6" 0' " 9' 3" 362S ' 6" 3' 4" 27' 4" 24' 6" 2' 4" 8' 0" 22' 3" 9' 5" 6' 4" 20' 8" 8' 0" 5' 2" 9' 5" 7' 0" 4' 4" 8' 5" 6' " 3' 7" 7' 8" 5' 5" 3' 0" 362S ' 0" 28' 5" 24' 0" 22' 3" 9' 5" 6' 4" 20' 2" 7' 8" 4' " 8' 9" 6' 4" 3' 0" 7' 8" 5' 5" 3' 0" 6' 9" 4' 8" 2' 4" 6' 0" 4' 0" ' 0" 362S ' 4" 24' 0" 2' 9" 9' 5" 7' 0" 4' 4" 7' 8" 5' 5" 3' 0" 6' 4" 4' 4" 2' " 5' 5" 3' 6" ' 4" 4' 8" 2' 9" 0' 9" 4' 0" 2' 3" 0' 4" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

29 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 4" 3' 2" 27' 3" 24' 4" 2' 3" 7' " 22' 2" 9' 4" 6' 4" 20' 7" 7' " 5' 2" 9' 4" 6' " 4' 3" 8' 4" 6' " 3' 6" 7' 7" 5' 4" 2' " 362S ' 9" 28' 4" 24' 9" 22' 2" 9' 4" 6' 4" 20' " 7' 7" 4' 0" 8' 8" 6' 4" 3' 9" 7' 7" 5' 4" 2' " 6' 8" 4' 7" 2' 4" 6' 0" 3' " ' 9" 362S ' 2" 24' 9" 2' 8" 9' 4" 6' " 4' 3" 7' 7" 5' 4" 2' " 6' 4" 4' 3" 2' 0" 5' 4" 3' 5" ' 4" 4' 7" 2' 9" 0' 9" 3' " 2' 2" 0' 3" 400S ' " 9' " 7' 5" 5' 4" 3' 7" ' 6" 3' 3" 2' 4" 0' 5" ' 0" ' 6" 9' 8" 0' 0" 0' 9" 9' " 0' 0" e 0' 0" e 8' 8" 9' 5" e 9' 5" e 8' 3" e 400S ' 0" 8' " 5' 0" 3' 3" 2' 4" 0' 5" ' 6" ' 3" 9' 6" 0' 3" e 0' 3" e 8' 9" 9' 5" e 9' 5" e 8' 3" e 8' 8" e 8' 8" e 7' 0" e 8' 2" e 8' 2" e 7' 6" e 400S ' 9" 5' 0" 3' 0" 0' 0" 0' 9" 9' " 9' 5" e 9' 5" e 8' 3" e 8' 5" e 8' 5" e 7' 8" e 7' 8" e 7' 8" e 7' 3" e 7' " e 7' " e 6' 0" e 6' 8" e 6' 8" e 6' 7" e 400S ' 4" 2' 8" 8' " 6' " 4' 9" 2' 6" 5' 5" 3' 5" ' 4" 4' 0" 2' 6" 0' 6" 2' 9" ' 9" 9' " ' 0" ' 2" 9' 5" ' " 0' 8" 9' 0" 400S ' 0" 9' 8" 7' 2" 5' 5" 3' 5" ' 4" 3' 6" 2' 2" 0' 4" 2' " ' 4" 9' 7" ' " 0' 8" 9' 0" 0' 3" 0' 2" 8' 6" 9' 7" 9' 7" 8' 2" 400S ' 8" 7' 2" 5' 0" 2' 9" ' 9" 9' " ' " 0' 8" 9' 0" 9' " 9' " 8' 4" 9' 0" 9' 0" 7' 0" 8' 4" e 8' 4" e 7' 6" 7' 0" e 7' 0" e 7' 2" e 400S ' 3" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 6" 4' 5" 2' 2" 5' 3" 3' 4" ' 3" 4' 4" 2' 7" 0' 7" 3' 3" ' " 0' " 2' 5" ' 5" 9' 8" 400S ' 7" 2' " 8' 5" 6' 6" 4' 5" 2' 2" 5' 0" 3' " ' 0" 3' 7" 2' 2" 0' 3" 2' 5" ' 5" 9' 8" ' 6" 0' 0" 9' 2" 0' 9" 0' 4" 8' 9" 400S ' 2" 8' 5" 6' " 4' 4" 2' 7" 0' 7" 2' 5" ' 5" 9' 8" ' " 0' 7" 8' " 0' " 0' 0" 8' 5" 9' 4" 9' 4" 8' 0" 8' 9" 8' 9" 7' 8" 400S ' 3" 23' 2" 20' 3" 8' " 5' 0" 3' 4" 6' 6" 4' 5" 2' 2" 5' 3" 3' 4" ' 3" 4' 5" 2' 7" 0' 7" 3' 8" ' " 0' " 3' " ' 5" 9' 8" 400S ' 7" 2' " 8' 5" 6' 6" 4' 5" 2' 2" 5' 0" 3' " ' 0" 3' " 2' 2" 0' 3" 3' " ' 5" 9' 8" 2' 5" 0' 0" 9' 2" ' 0" 0' 4" 8' 9" 400S ' 2" 8' 5" 6' " 4' 5" 2' 7" 0' 7" 3' " ' 5" 9' 8" 2' 2" 0' 7" 8' " ' 5" 0' 0" 8' 5" 0' 0" 9' 6" 8' 0" 0' 4" 9' " 7' 8" 400S ' 3" 24' 0" 2' 8" 9' 5" 6' " 4' 3" 7' 7" 5' 5" 3' 0" 6' 4" 4' 3" 2' 0" 5' 5" 3' 5" ' 4" 4' 7" 2' 9" 0' 9" 3' 0" 2' 2" 0' 4" 400S ' 5" 22' 7" 9' 8" 7' 7" 5' 5" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 3' 0" 2' 2" 0' 4" 2' 0" ' 7" 9' 9" 2' 0" ' " 9' 4" 400S ' 0" 9' 8" 7' 2" 5' 5" 3' 5" ' 4" 3' 0" 2' 2" 0' 4" 2' 5" ' 4" 9' 7" ' 4" 0' 8" 9' 0" 0' 6" 0' 2" 8' 7" 9' 0" 9' 8" 8' 2" 400S ' 3" 24' 0" 2' 8" 9' 5" 6' " 4' 3" 7' 7" 5' 5" 3' 0" 6' 4" 4' 3" 2' 0" 5' 5" 3' 5" ' 4" 4' 7" 2' 9" 0' 9" 4' 0" 2' 2" 0' 4" 400S ' 5" 22' 7" 9' 8" 7' 7" 5' 5" 3' 0" 6' 0" 4' 0" ' 9" 4' 0" 3' 0" 0' " 4' 0" 2' 2" 0' 4" 3' 3" ' 7" 9' 9" 2' 8" ' " 9' 4" 400S ' 0" 9' 8" 7' 2" 5' 5" 3' 5" ' 4" 4' 0" 2' 2" 0' 4" 3' 0" ' 4" 9' 7" 2' 2" 0' 8" 9' 0" ' 7" 0' 2" 8' 7" ' " 9' 8" 8' 2" 400S ' 3" 20' 0" 8' 3" 6' 3" 4' 3" 2' 0" 4' 3" 2' " 0' " 2' 9" 2' 0" 0' " ' 7" e ' 4" e 9' 6" 0' 9" e 0' 9" e 9' " 0' " e 0' " e 8' 8" e 400S ' " 8' " 6' 7" 4' 3" 2' " 0' " 2' 4" e ' 9" 9' " ' 0" e 0' " e 9' 2" 0' " e 0' " e 8' 8" e 9' 4" e 9' 4" e 8' 3" e 8' 9" e 8' 9" e 7' 0" e 400S ' " 6' 7" 4' 6" ' 7" e ' 4" e 9' 6" 0' " e 0' " e 8' 8" e 9' 0" e 9' 0" e 8' 0" e 8' 3" e 8' 3" e 7' 7" e 7' 7" e 7' 7" e 7' 2" e 7' " e 7' " e 6' 0" e 400S ' 7" 22' 8" 9' 0" 7' 9" 5' 6" 3' " 6' " 4' " ' 0" 4' " 3' " ' 0" 3' 9" 2' 3" 0' 4" 2' 8" ' 8" 9' 0" ' " ' 2" 9' 5" 400S ' 0" 20' 7" 8' 0" 6' " 4' " ' 0" 4' 7" 2' 9" 0' 9" 3' 0" ' 0" 0' 0" ' " ' 2" 9' 5" ' 0" 0' 7" 8' " 0' 3" e 0' 2" 8' 7" 400S ' 8" 8' 0" 5' 9" 3' 9" 2' 3" 0' 4" ' " ' 2" 9' 5" 0' 7" 0' 4" 8' 9" 9' 8" e 9' 8" e 8' 3" 9' 0" e 9' 0" e 7' 0" 8' 5" e 8' 5" e 7' 6" e 400S ' 8" 24' 4" 2' 3" 9' 0" 6' 7" 4' 0" 7' 3" 5' " 2' 9" 6' 0" 4' 0" ' 0" 5' " 3' 2" ' " 4' 3" 2' 6" 0' 7" 3' 4" 2' 0" 0' " 400S ' 0" 22' " 9' 4" 7' 3" 5' " 2' 9" 5' 8" 3' 8" ' 7" 4' 7" 2' 9" 0' 9" 3' 4" 2' 0" 0' " 2' 4" ' 4" 9' 7" ' 6" 0' 0" 9' 2" 400S ' 4" 9' 4" 6' 0" 5' " 3' 2" ' " 3' 4" 2' 0" 0' " ' " ' " 9' 4" 0' 0" 0' 5" 8' 0" 0' " 9' " 8' 5" 9' 5" 9' 5" 8' 0" 400S ' 8" 24' 4" 2' 3" 9' 0" 6' 7" 4' 0" 7' 3" 5' " 2' 9" 6' 0" 4' 0" ' 0" 5' " 3' 2" ' " 4' 4" 2' 6" 0' 7" 3' 8" 2' 0" 0' " 400S ' 0" 22' " 9' 4" 7' 3" 5' " 2' 9" 5' 8" 3' 8" ' 7" 4' 7" 2' 9" 0' 9" 3' 8" 2' 0" 0' " 3' 0" ' 4" 9' 7" 2' 5" 0' 0" 9' 2" 400S ' 4" 9' 4" 6' 0" 5' " 3' 2" ' " 3' 8" 2' 0" 0' " 2' 9" ' " 9' 4" 2' 0" 0' 5" 8' 0" ' 4" 9' " 8' 5" 0' 0" 9' 6" 8' 0" 400S ' 0" 26' 0" 22' 9" 20' 4" 7' 9" 5' 0" 8' 6" 6' 2" 3' 7" 7' 2" 5' 0" 2' 8" 6' 2" 4' " ' " 5' 4" 3' 5" ' 4" 4' 8" 2' 0" 0' 0" 400S ' 0" 23' 8" 20' 8" 8' 6" 6' 2" 3' 7" 6' 9" 4' 8" 2' 4" 5' 7" 3' 7" ' 6" 4' 8" 2' 0" 0' 0" 3' 9" 2' 2" 0' 3" 2' " ' 8" 9' 0" 400S ' 0" 20' 8" 8' " 6' 2" 4' " ' " 4' 8" 2' 0" 0' 0" 3' 4" ' " 0' 0" 2' 2" ' 2" 9' 5" ' 3" 0' 8" 9' 0" 0' 6" 0' 2" 8' 7" 400S ' 0" 26' 0" 22' 9" 20' 4" 7' 9" 5' 0" 8' 6" 6' 2" 3' 7" 7' 2" 5' 0" 2' 8" 6' 2" 4' " ' " 5' 4" 3' 5" ' 4" 4' 8" 2' 0" 0' 0" 400S ' 0" 23' 8" 20' 8" 8' 6" 6' 2" 3' 7" 6' 9" 4' 8" 2' 4" 5' 7" 3' 7" ' 6" 4' 8" 2' 0" 0' 0" 3' " 2' 2" 0' 3" 3' 4" ' 8" 9' 0" 400S ' 0" 20' 8" 8' " 6' 2" 4' " ' " 4' 8" 2' 0" 0' 0" 3' 7" ' " 0' 0" 2' 0" ' 2" 9' 5" 2' 2" 0' 8" 9' 0" ' 8" 0' 2" 8' 7" 400S ' 3" 28' 9" 25' " 22' 5" 9' 7" 6' 7" 20' 5" 7' 0" 5' 0" 8' " 6' 7" 3' " 7' 0" 5' 7" 3' 2" 6' " 4' 9" 2' 6" 6' 2" 4' 2" ' " 400S ' " 26' " 22' 0" 20' 5" 7' 0" 5' 0" 8' 6" 6' 2" 3' 8" 7' 2" 5' 0" 2' 8" 6' 2" 4' 2" ' " 5' 5" 3' 5" ' 4" 4' 9" 2' 0" 0' 0" 400S ' 9" 22' 0" 9' " 7' 0" 5' 7" 3' 2" 6' 2" 4' 2" ' " 5' 0" 3' 2" ' " 4' " 2' 4" 0' 5" 3' " ' 9" 9' " 2' 3" ' 3" 9' 6" 400S ' 3" 28' 9" 25' " 22' 5" 9' 7" 6' 7" 20' 5" 7' 0" 5' 0" 8' " 6' 7" 3' " 7' 0" 5' 7" 3' 2" 6' " 4' 9" 2' 6" 6' 2" 4' 2" ' " 400S ' " 26' " 22' 0" 20' 5" 7' 0" 5' 0" 8' 6" 6' 2" 3' 8" 7' 2" 5' 0" 2' 8" 6' 2" 4' 2" ' " 5' 5" 3' 5" ' 4" 4' 9" 2' 0" 0' 0" 400S ' 9" 22' 0" 9' " 7' 0" 5' 7" 3' 2" 6' 2" 4' 2" ' " 5' 0" 3' 2" ' " 4' 2" 2' 4" 0' 5" 3' 5" ' 9" 9' " 2' 0" ' 3" 9' 6" 400S ' 8" 2' " 9' 2" 7' " 5' 0" 2' 7" 4' " 3' 7" ' 6" 3' 4" e 2' 7" 0' 8" 2' 2" e ' 0" e 0' 0" ' 3" e ' 3" e 9' 6" e 0' 7" e 0' 7" e 9' " e 400S ' " 9' " 7' 5" 4' " 3' 7" ' 6" 2' " e 2' 4" e 0' 5" ' 7" e ' 6" e 9' 8" 0' 7" e 0' 7" e 9' " e 9' 9" e 9' 9" e 8' 8" e 9' 2" e 9' 2" e 8' 3" e 400S ' " 7' 5" 5' 2" 2' 2" e ' 0" e 0' 0" 0' 7" e 0' 7" e 9' " e 9' 5" e 9' 5" e 8' 5" e 8' 7" e 8' 7" e 7' " e 8' 0" e 8' 0" e 7' 7" e 7' 6" e 7' 6" e 7' 3" e 400S ' 2" 23' " 20' " 8' 8" 6' 4" 3' 9" 7' 0" 4' 0" 2' 6" 5' 9" 3' 9" ' 7" 4' 8" 3' 0" 0' " 3' 7" 2' 4" 0' 5" 2' 8" ' 9" 9' " 400S ' 5" 2' 9" 9' 0" 7' 0" 4' 0" 2' 6" 5' 5" 3' 6" ' 4" 3' " 2' 6" 0' 7" 2' 8" ' 9" 9' " ' 9" e ' 2" 9' 5" ' 0" e 0' 8" e 9' 0" 400S ' " 9' 0" 6' 7" 4' 8" 3' 0" 0' " 2' 8" ' 9" 9' " ' 4" e 0' " 9' 3" 0' 4" e 0' 3" e 8' 8" 9' 7" e 9' 7" e 8' 3" e 9' 0" e 9' 0" e 7' " e 400S ' 4" 25' 8" 22' 5" 20' " 7' 6" 4' 9" 8' 3" 5' " 3' 5" 6' " 4' 9" 2' 6" 5' " 3' " ' 9" 5' " 3' 3" ' 2" 4' 5" 2' 8" 0' 8" 400S ' 5" 23' 4" 20' 5" 8' 3" 5' " 3' 5" 6' 7" 4' 6" 2' 2" 5' 4" 3' 5" ' 4" 4' 5" 2' 8" 0' 8" 3' 5" 2' 0" 0' " 2' 6" ' 6" 9' 8" 400S ' 8" 20' 5" 7' 0" 5' " 3' " ' 9" 4' 5" 2' 8" 0' 8" 2' " ' 9" 9' " ' 0" ' 0" 9' 4" 0' " 0' 6" 8' 0" 0' 3" 0' 0" 8' 5" 400S ' 4" 25' 8" 22' 5" 20' " 7' 6" 4' 9" 8' 3" 5' " 3' 5" 6' " 4' 9" 2' 6" 5' " 3' " ' 9" 5' " 3' 3" ' 2" 4' 6" 2' 8" 0' 8" 400S ' 5" 23' 4" 20' 5" 8' 3" 5' " 3' 5" 6' 7" 4' 6" 2' 2" 5' 4" 3' 5" ' 4" 4' 6" 2' 8" 0' 8" 3' 9" 2' 0" 0' " 3' 2" ' 6" 9' 8" 400S ' 8" 20' 5" 7' 0" 5' " 3' " ' 9" 4' 6" 2' 8" 0' 8" 3' 5" ' 9" 9' " 2' 8" ' 0" 9' 4" 2' 0" 0' 6" 8' 0" ' 6" 0' 0" 8' 5" 400S ' 8" 27' 6" 24' 0" 2' 6" 8' 9" 5' 0" 9' 6" 7' " 4' 5" 8' " 5' 0" 3' 4" 7' " 4' " 2' 7" 6' 2" 4' 2" ' " 5' 6" 3' 6" ' 5" 400S ' 6" 25' 0" 2' 0" 9' 6" 7' " 4' 5" 7' 9" 5' 6" 3' " 6' 6" 4' 5" 2' 2" 5' 6" 3' 6" ' 5" 4' 9" 2' 0" 0' 0" 4' 0" 2' 4" 0' 4" 400S ' 6" 2' 0" 9' " 7' " 4' " 2' 7" 5' 6" 3' 6" ' 5" 4' 5" 2' 7" 0' 7" 3' 3" ' 0" 0' 0" 2' 3" ' 3" 9' 6" ' 5" 0' 9" 9' " 400S ' 8" 27' 6" 24' 0" 2' 6" 8' 9" 5' 0" 9' 6" 7' " 4' 5" 8' " 5' 0" 3' 4" 7' " 4' " 2' 7" 6' 2" 4' 2" ' " 5' 6" 3' 6" ' 5" 400S ' 6" 25' 0" 2' 0" 9' 6" 7' " 4' 5" 7' 9" 5' 6" 3' " 6' 6" 4' 5" 2' 2" 5' 6" 3' 6" ' 5" 4' 9" 2' 0" 0' 0" 4' " 2' 4" 0' 4" 400S ' 6" 2' 0" 9' " 7' " 4' " 2' 7" 5' 6" 3' 6" ' 5" 4' 5" 2' 7" 0' 7" 3' 6" ' 0" 0' 0" 2' 0" ' 3" 9' 6" 2' 4" 0' 9" 9' " 400S ' 5" 30' 6" 26' 7" 23' 9" 20' 9" 7' 6" 2' 7" 8' " 5' " 20' " 7' 6" 4' 9" 8' " 6' 6" 3' " 7' " 5' 8" 3' 3" 7' 2" 5' 0" 2' 8" 400S ' 0" 27' 8" 24' 2" 2' 7" 8' " 5' " 9' 8" 7' 2" 4' 6" 8' 3" 5' " 3' 5" 7' 2" 5' 0" 2' 8" 6' 4" 4' 3" 2' 0" 5' 7" 3' 7" ' 6" 400S ' 6" 24' 2" 2' " 8' " 6' 6" 3' " 7' 2" 5' 0" 2' 8" 5' " 3' " ' 9" 5' 0" 3' " ' 0" 4' 3" 2' 5" 0' 6" 3' 4" ' " 0' 0" See Curtain Wall Limiting Heights Table Notes on page 23. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 27

30 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 5" 30' 6" 26' 7" 23' 9" 20' 9" 7' 6" 2' 7" 8' " 5' " 20' " 7' 6" 4' 9" 8' " 6' 6" 3' " 7' " 5' 8" 3' 3" 7' 2" 5' 0" 2' 8" 400S ' 0" 27' 8" 24' 2" 2' 7" 8' " 5' " 9' 8" 7' 2" 4' 6" 8' 3" 5' " 3' 5" 7' 2" 5' 0" 2' 8" 6' 4" 4' 3" 2' 0" 5' 7" 3' 7" ' 6" 400S ' 6" 24' 2" 2' " 8' " 6' 6" 3' " 7' 2" 5' 0" 2' 8" 5' " 3' " ' 9" 5' 0" 3' " ' 0" 4' 3" 2' 5" 0' 6" 3' 7" ' " 0' 0" 400S ' 9" 22' 0" 9' " 7' 0" 5' 7" 3' " 5' 5" 4' 2" ' " 3' 0" e 3' " e ' " 2' 7" e 2' 4" e 0' 5" ' 8" e ' 8" e 9' " e 0' " e 0' " e 9' 6" e 400S ' " 20' 9" 8' " 5' 5" 4' 2" ' " 3' 4" e 2' 0" e 0' 0" ' " e ' " e 0' " e 0' " e 0' " e 9' 6" e 0' " e 0' " e 9' 0" e 9' 5" e 9' 5" e 8' 7" e 400S ' 0" 8' " 5' 0" 2' 7" e 2' 4" e 0' 5" 0' " e 0' " e 9' 6" e 9' 9" e 9' 9" e 8' 9" e 8' " e 8' " e 8' 3" e 8' 3" e 8' 3" e 7' 0" e 7' 9" e 7' 9" e 7' 6" e 400S ' 9" 25' 3" 22' 0" 9' 8" 7' 2" 4' 6" 7' " 5' 8" 3' 2" 6' 6" 4' 6" 2' 3" 5' 0" 3' 8" ' 6" 3' " 3' 0" 0' " 3' 0" 2' 5" 0' 6" 400S ' 0" 22' " 20' 0" 7' " 5' 8" 3' 2" 5' " 4' 2" 2' 0" 4' 3" 3' 2" ' " 3' 0" 2' 5" 0' 6" 2' " e ' 9" e 9' " ' 3" e ' 3" e 9' 6" 400S ' 3" 20' 0" 7' 6" 5' 0" 3' 8" ' 6" 3' 0" 2' 5" 0' 6" ' 8" e ' 6" e 9' 9" 0' 8" e 0' 8" e 9' 2" e 9' 0" e 9' 0" e 8' 8" e 9' 2" e 9' 2" e 8' 4" e 400S ' " 27' " 23' 8" 2' 2" 8' 6" 5' 7" 9' 2" 6' 9" 4' 2" 7' 0" 5' 7" 3' 2" 6' 9" 4' 8" 2' 4" 5' 0" 3' " ' 9" 4' 0" 3' 4" ' 3" 400S ' 0" 24' 7" 2' 6" 9' 2" 6' 9" 4' 2" 7' 5" 5' 3" 2' 0" 6' 2" 4' 2" ' " 4' 0" 3' 4" ' 3" 3' 8" 2' 8" 0' 8" 2' 0" 2' " 0' 2" 400S ' " 2' 6" 8' 9" 6' 9" 4' 8" 2' 4" 4' 0" 3' 4" ' 3" 3' 3" 2' 4" 0' 5" 2' " ' 8" 9' 0" ' 2" ' " 9' 4" 0' 6" e 0' 6" e 8' " 400S ' 0" 27' 0" 23' 7" 2' " 8' 5" 5' 6" 9' 2" 6' 9" 4' " 7' 9" 5' 6" 3' " 6' 9" 4' 7" 2' 4" 5' " 3' 0" ' 8" 5' 2" 3' 3" ' 2" 400S ' 0" 24' 6" 2' 5" 9' 2" 6' 9" 4' " 7' 5" 5' 2" 2' 0" 6' 2" 4' " ' " 5' 2" 3' 3" ' 2" 4' 5" 2' 7" 0' 8" 3' 0" 2' " 0' 2" 400S ' 0" 2' 5" 8' 8" 6' 9" 4' 7" 2' 4" 5' 2" 3' 3" ' 2" 4' " 2' 4" 0' 5" 3' 3" ' 7" 9' 9" 2' 7" ' 0" 9' 3" 2' " 0' 6" 8' " 400S ' 7" 29' 0" 25' 4" 22' 8" 9' 0" 6' 8" 20' 7" 8' 0" 5' 2" 9' " 6' 8" 4' " 8' 0" 5' 9" 3' 3" 7' " 4' " 2' 7" 6' 4" 4' 3" 2' " 400S ' 3" 26' 4" 23' 0" 20' 7" 8' 0" 5' 2" 8' 9" 6' 4" 3' 9" 7' 4" 5' 2" 2' 0" 6' 4" 4' 3" 2' " 5' 6" 3' 7" ' 5" 4' 0" 3' 0" 0' " 400S ' 0" 23' 0" 20' " 8' 0" 5' 9" 3' 3" 6' 4" 4' 3" 2' " 5' 2" 3' 3" ' 2" 4' 3" 2' 6" 0' 6" 3' 3" ' 0" 0' 0" 2' 5" ' 4" 9' 7" 400S ' 7" 29' 0" 25' 4" 22' 8" 9' 0" 6' 8" 20' 7" 8' 0" 5' 2" 9' " 6' 8" 4' " 8' 0" 5' 9" 3' 3" 7' " 4' " 2' 7" 6' 4" 4' 3" 2' " 400S ' 3" 26' 4" 23' 0" 20' 7" 8' 0" 5' 2" 8' 9" 6' 4" 3' 9" 7' 4" 5' 2" 2' 0" 6' 4" 4' 3" 2' " 5' 6" 3' 7" ' 5" 4' 0" 3' 0" 0' " 400S ' 0" 23' 0" 20' " 8' 0" 5' 9" 3' 3" 6' 4" 4' 3" 2' " 5' 2" 3' 3" ' 2" 4' 3" 2' 6" 0' 6" 3' 7" ' 0" 0' 0" 3' 0" ' 4" 9' 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2" 4' " ' " 5' 5" 3' 6" ' 4" 400S ' 2" 23' " 20' " 8' 8" 6' 4" 3' 9" 7' 0" 4' 0" 2' 6" 5' 9" 3' 9" ' 7" 4' 0" 3' 0" 0' " 4' " 2' 4" 0' 5" 3' 6" ' 9" 9' " 400S ' 6" 33' 9" 29' 6" 26' 4" 23' 0" 9' 5" 23' " 20' " 7' 8" 22' 3" 9' 5" 6' 4" 20' " 8' 3" 5' 5" 9' 0" 7' 4" 4' 8" 9' 0" 6' 7" 4' 0" 400S ' 7" 30' 8" 26' 9" 23' " 20' " 7' 8" 2' 9" 9' 0" 6' 0" 20' 2" 7' 8" 4' 0" 9' 0" 6' 7" 4' 0" 8' " 5' 9" 3' 4" 7' 3" 5' " 2' 9" 400S ' 9" 26' 9" 23' 5" 20' " 8' 3" 5' 5" 9' 0" 6' 7" 4' 0" 7' 8" 5' 5" 3' 0" 6' 7" 4' 6" 2' 3" 5' 9" 3' 9" ' 7" 5' " 3' 2" ' " 400S ' 4" 33' 7" 29' 4" 26' 3" 22' " 9' 4" 23' 0" 20' 0" 7' 7" 22' 2" 9' 4" 6' 4" 20' 0" 8' 2" 5' 4" 9' 9" 7' 3" 4' 7" 8' " 6' 6" 3' " 400S ' 6" 30' 6" 26' 8" 23' 0" 20' 0" 7' 7" 2' 8" 8' " 6' 0" 20' " 7' 7" 4' 0" 8' " 6' 6" 3' " 8' 0" 5' 8" 3' 3" 7' 2" 5' 0" 2' 8" 400S ' 7" 26' 8" 23' 4" 20' 0" 8' 2" 5' 4" 8' " 6' 6" 3' " 7' 7" 5' 4" 2' " 6' 6" 4' 5" 2' 2" 5' 8" 3' 9" ' 7" 5' 0" 3' " ' " 550S ' 8" 26' 9" 23' 4" 9' 7" 8' 3" 5' 5" 7' 0" e 6' 7" e 4' 0" 5' 2" e 5' 2" e 3' 0" e 3' 0" e 3' 0" e 2' 3" e 2' 0" e 2' 0" e ' 7" e 2' 0" e 2' 0" e ' " e 550S ' 5" 24' 4" 2' 3" 7' 0" e 6' 7" e 4' 0" 4' 8" e 4' 8" e 2' 8" e 3' 2" e 3' 2" e ' 9" e 2' 0" e 2' 0" e ' " e ' " e ' " e 0' 6" e 0' 5" e 0' 5" e 0' " e 550S ' 0" 2' 3" 8' 6" 3' 0" e 3' 0" e 2' 3" e 2' 0" e 2' 0" e ' " e 0' 9" e 0' 9" e 0' 4" e 9' 0" e 9' 0" e 9' 8" e 9' " e 9' " e 9' " e 8' 6" e 8' 6" e 8' 6" e 550S ' 8" 29' " 25' 5" 22' 9" 9' 0" 6' 9" 20' 3" 8' " 5' 3" 8' " 6' 9" 4' 2" 6' 6" 5' 9" 3' 4" 5' 4" e 5' 0" 2' 8" 4' 4" e 4' 4" e 2' " 550S ' 4" 26' 5" 23' " 20' 3" 8' " 5' 3" 7' 7" 6' 5" 3' 0" 5' 8" 5' 3" 2' 0" 4' 4" e 4' 4" e 2' " 3' 3" e 3' 3" e ' 6" e 2' 5" e 2' 5" e ' 0" e 550S ' 8" 23' " 20' 2" 6' 6" 5' 9" 3' 4" 4' 4" e 4' 4" e 2' " 2' 0" e 2' 0" e ' 3" e ' 8" e ' 8" e 0' 7" e 0' 0" e 0' 0" e 0' 0" e 0' 2" e 0' 2" e 9' 7" e 550S ' 4" 3' 3" 27' 3" 24' 5" 2' 4" 8' 0" 22' 2" 9' 4" 6' 4" 20' 7" 8' 0" 5' 2" 9' " 6' " 4' 3" 7' 8" 6' " 3' 7" 6' 7" 5' 4" 3' 0" 550S ' 9" 28' 5" 24' 9" 22' 2" 9' 4" 6' 4" 20' 2" 7' 7" 4' 0" 8' 2" 6' 4" 3' 9" 6' 7" 5' 4" 3' 0" 5' 4" 4' 7" 2' 4" 4' 4" 4' 0" ' 9" 550S ' 3" 24' 9" 2' 8" 9' " 6' " 4' 3" 6' 7" 5' 4" 3' 0" 4' 0" 4' 3" 2' 0" 3' 6" e 3' 5" e ' 4" 2' 6" e 2' 6" e 0' 9" ' 8" e ' 8" e 0' 3" e 550S ' 4" 3' 3" 27' 3" 24' 5" 2' 4" 8' 0" 22' 2" 9' 4" 6' 4" 20' 7" 8' 0" 5' 2" 9' 4" 6' " 4' 3" 8' 5" 6' " 3' 7" 7' 7" 5' 4" 3' 0" 550S ' 9" 28' 5" 24' 9" 22' 2" 9' 4" 6' 4" 20' 2" 7' 7" 4' 0" 8' 8" 6' 4" 3' 9" 7' 7" 5' 4" 3' 0" 6' 9" 4' 7" 2' 4" 6' 0" 4' 0" ' 9" 550S ' 3" 24' 9" 2' 8" 9' 4" 6' " 4' 3" 7' 7" 5' 4" 3' 0" 6' 4" 4' 3" 2' 0" 5' 4" 3' 5" ' 4" 4' 6" 2' 9" 0' 9" 3' 6" 2' 2" 0' 3" 550S ' 2" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 22' " 9' 3" 6' 3" 20' 9" 8' 2" 5' 3" 9' 9" 7' 3" 4' 6" 8' 6" 6' 6" 3' " 550S ' 4" 30' 5" 26' 7" 23' 9" 20' 9" 7' 6" 2' 7" 8' 0" 5' " 20' 0" 7' 6" 4' 9" 8' 6" 6' 6" 3' " 7' 2" 5' 8" 3' 2" 6' 0" 5' 0" 2' 7" 550S ' 6" 26' 7" 23' 3" 20' 9" 8' 2" 5' 3" 8' 6" 6' 6" 3' " 6' 7" 5' 3" 2' " 5' " 4' 5" 2' 2" 4' 0" 3' 8" ' 6" 3' " 3' " ' 0" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

31 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 2" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 22' " 9' 3" 6' 3" 20' 9" 8' 2" 5' 3" 9' 9" 7' 3" 4' 6" 8' 0" 6' 6" 3' " 550S ' 4" 30' 5" 26' 7" 23' 9" 20' 9" 7' 6" 2' 7" 8' 0" 5' " 20' 0" 7' 6" 4' 9" 8' 0" 6' 6" 3' " 7' " 5' 8" 3' 2" 7' 2" 5' 0" 2' 7" 550S ' 6" 26' 7" 23' 3" 20' 9" 8' 2" 5' 3" 8' 0" 6' 6" 3' " 7' 6" 5' 3" 2' " 6' 6" 4' 5" 2' 2" 5' 8" 3' 8" ' 6" 5' 0" 3' " ' 0" 550S ' 9" 37' " 32' 5" 28' " 25' 3" 2' 4" 26' 4" 23' 0" 9' 5" 24' 5" 2' 4" 8' 0" 23' 0" 20' " 6' " 2' 0" 9' " 6' " 20' " 8' 3" 5' 5" 550S ' 5" 33' 8" 29' 5" 26' 4" 23' 0" 9' 5" 23' " 20' " 7' 7" 22' 2" 9' 5" 6' 4" 20' " 8' 3" 5' 5" 9' 0" 7' 4" 4' 7" 8' 8" 6' 7" 4' 0" 550S ' " 29' 5" 25' 8" 23' 0" 20' " 6' " 20' " 8' 3" 5' 5" 9' 4" 6' " 4' 3" 7' 7" 5' " 3' 5" 6' 4" 5' 2" 2' 9" 5' 3" 4' 6" 2' 3" 550S ' 9" 37' " 32' 5" 28' " 25' 3" 2' 4" 26' 4" 23' 0" 9' 5" 24' 5" 2' 4" 8' 0" 23' 0" 20' " 6' " 2' 0" 9' " 6' " 20' " 8' 3" 5' 5" 550S ' 5" 33' 8" 29' 5" 26' 4" 23' 0" 9' 5" 23' " 20' " 7' 7" 22' 2" 9' 5" 6' 4" 20' " 8' 3" 5' 5" 9' 0" 7' 4" 4' 7" 9' 0" 6' 7" 4' 0" 550S ' " 29' 5" 25' 8" 23' 0" 20' " 6' " 20' " 8' 3" 5' 5" 9' 5" 6' " 4' 3" 8' 3" 5' " 3' 5" 7' 4" 5' 2" 2' 9" 6' 7" 4' 6" 2' 3" 550S ' 4" 28' 0" 24' 6" 20' 0" e 9' " 6' " 8' " e 7' 4" e 4' 8" 6' 2" e 6' " e 3' 7" e 4' 9" e 4' 9" e 2' 0" e 3' 8" e 3' 8" e 2' 2" e 2' 9" e 2' 9" e ' 8" e 550S ' 4" 25' 5" 22' 3" 8' " e 7' 4" e 4' 8" 5' 8" e 5' 8" e 3' 4" e 4' 0" e 4' 0" e 2' 4" e 2' 9" e 2' 9" e ' 8" e ' 0" e ' 0" e ' " e ' " e ' " e 0' 7" e 550S ' 7" 22' 3" 9' 5" 4' 9" e 4' 9" e 2' 0" e 2' 9" e 2' 9" e ' 8" e ' 5" e ' 5" e 0' 0" e 0' 5" e 0' 5" e 0' 2" e 9' 8" e 9' 8" e 9' 8" e 9' 0" e 9' 0" e 9' 0" e 550S ' 7" 30' 7" 26' 9" 23' " 20' " 7' 7" 2' 7" 9' 0" 6' 0" 9' 4" 7' 7" 4' 0" 7' 7" e 6' 7" 4' 0" 6' 4" e 5' 9" e 3' 3" 5' 3" e 5' " e 2' 8" 550S ' " 27' 0" 24' 4" 2' 7" 9' 0" 6' 0" 8' 8" 7' 3" 4' 6" 6' 9" e 6' 0" e 3' 6" 5' 3" e 5' " e 2' 8" 4' 2" e 4' 2" e 2' " e 3' 3" e 3' 3" e ' 6" e 550S ' 6" 24' 4" 2' 3" 7' 7" e 6' 7" 4' 0" 5' 3" e 5' " e 2' 8" 3' 8" e 3' 8" e ' 0" e 2' 5" e 2' 5" e ' " e ' 6" e ' 6" e 0' 6" e 0' 9" e 0' 9" e 0' " e 550S ' 5" 32' 0" 28' 8" 25' 8" 22' 5" 8' " 23' 4" 20' 4" 7' 2" 2' 8" 8' " 5' " 20' 4" 7' 0" 5' 0" 8' 0" 6' " 4' 3" 7' 8" 6' 2" 3' 8" 550S ' 7" 29' 0" 26' " 23' 4" 20' 4" 7' 2" 2' 2" 8' 6" 5' 7" 9' 4" 7' 2" 4' 6" 7' 8" 6' 2" 3' 8" 6' 4" 5' 4" 2' " 5' 3" e 4' 8" 2' 5" 550S ' 0" 26' " 22' 9" 20' 4" 7' 0" 5' 0" 7' 8" 6' 2" 3' 8" 5' 9" 5' 0" 2' 8" 4' 5" e 4' " e ' " 3' 4" e 3' 4" e ' 4" 2' 6" e 2' 6" e 0' 0" e 550S ' 5" 32' 0" 28' 8" 25' 8" 22' 5" 8' " 23' 4" 20' 4" 7' 2" 2' 8" 8' " 5' " 20' 4" 7' 0" 5' 0" 9' 4" 6' " 4' 3" 8' 6" 6' 2" 3' 8" 550S ' 7" 29' 0" 26' " 23' 4" 20' 4" 7' 2" 2' 2" 8' 6" 5' 7" 9' 8" 7' 2" 4' 6" 8' 6" 6' 2" 3' 8" 7' 7" 5' 4" 2' " 6' 0" 4' 8" 2' 5" 550S ' 0" 26' " 22' 9" 20' 4" 7' 0" 5' 0" 8' 6" 6' 2" 3' 8" 7' 2" 5' 0" 2' 8" 6' 2" 4' " ' " 5' 4" 3' 5" ' 4" 4' 5" 2' 0" 0' 0" 550S ' 5" 35' 3" 30' 0" 27' 6" 24' " 20' 3" 25' 0" 2' 0" 8' 5" 23' 3" 20' 3" 7' " 2' 0" 9' " 6' " 20' 9" 8' 2" 5' 3" 9' 0" 7' 4" 4' 8" 550S ' 4" 32' 0" 28' 0" 25' 0" 2' 0" 8' 5" 22' 9" 9' 0" 6' 9" 2' " 8' 5" 5' 7" 9' 0" 7' 4" 4' 8" 8' 6" 6' 6" 3' " 7' 4" 5' 9" 3' 3" 550S ' 3" 28' 0" 24' 5" 2' 0" 9' " 6' " 9' 0" 7' 4" 4' 8" 7' " 6' " 3' 7" 6' 4" 5' 2" 2' 9" 5' " 4' 5" 2' 2" 4' 2" 3' 9" ' 7" 550S ' 5" 35' 3" 30' 0" 27' 6" 24' " 20' 3" 25' 0" 2' 0" 8' 5" 23' 3" 20' 3" 7' " 2' 0" 9' " 6' " 20' 9" 8' 2" 5' 3" 9' 0" 7' 4" 4' 8" 550S ' 4" 32' 0" 28' 0" 25' 0" 2' 0" 8' 5" 22' 9" 9' 0" 6' 9" 2' " 8' 5" 5' 7" 9' 0" 7' 4" 4' 8" 8' 0" 6' 6" 3' " 8' 0" 5' 9" 3' 3" 550S ' 3" 28' 0" 24' 5" 2' 0" 9' " 6' " 9' 0" 7' 4" 4' 8" 8' 5" 6' " 3' 7" 7' 4" 5' 2" 2' 9" 6' 6" 4' 5" 2' 2" 5' 9" 3' 9" ' 7" 550S ' 3" 39' " 34' 2" 30' 7" 26' 8" 22' 6" 27' 9" 24' 3" 20' 5" 25' 9" 22' 6" 9' 0" 24' 3" 2' 2" 7' 0" 23' 0" 20' " 7' 0" 22' 0" 9' 3" 6' 3" 550S ' 9" 35' 6" 3' " 27' 9" 24' 3" 20' 5" 25' 3" 22' 0" 8' 7" 23' 5" 20' 5" 7' 3" 22' 0" 9' 3" 6' 3" 20' " 8' 3" 5' 5" 20' 0" 7' 6" 4' 9" 550S ' " 3' " 27' " 24' 3" 2' 2" 7' 0" 22' 0" 9' 3" 6' 3" 20' 5" 7' 0" 5' " 9' " 6' 0" 4' 2" 7' 8" 6' 0" 3' 6" 6' 6" 5' 3" 2' " 550S ' 3" 39' " 34' 2" 30' 7" 26' 8" 22' 6" 27' 9" 24' 3" 20' 5" 25' 9" 22' 6" 9' 0" 24' 3" 2' 2" 7' 0" 23' 0" 20' " 7' 0" 22' 0" 9' 3" 6' 3" 550S ' 9" 35' 6" 3' " 27' 9" 24' 3" 20' 5" 25' 3" 22' 0" 8' 7" 23' 5" 20' 5" 7' 3" 22' 0" 9' 3" 6' 3" 20' " 8' 3" 5' 5" 20' 0" 7' 6" 4' 9" 550S ' " 3' " 27' " 24' 3" 2' 2" 7' 0" 22' 0" 9' 3" 6' 3" 20' 5" 7' 0" 5' " 9' 3" 6' 0" 4' 2" 8' 3" 6' 0" 3' 6" 7' 6" 5' 3" 2' " 600S ' " 27' 3" 23' 0" 9' " 8' 7" 5' 8" 6' 6" e 6' 6" e 4' 3" 4' 9" e 4' 9" e 3' 3" e 3' 6" e 3' 6" e 2' 5" e 2' 6" e 2' 6" e ' 0" e ' 8" e ' 8" e ' 4" e 600S ' 7" 24' 9" 2' 8" 6' 6" e 6' 6" e 4' 3" 4' 4" e 4' 4" e 2' " e 2' 0" e 2' 0" e 2' 0" e ' 8" e ' 8" e ' 4" e 0' 0" e 0' 0" e 0' 9" e 0' " e 0' " e 0' " e 600S ' 4" 2' 8" 8' " 3' 6" e 3' 6" e 2' 5" e ' 8" e ' 8" e ' 4" e 0' 5" e 0' 5" e 0' 5" e 9' 6" e 9' 6" e 9' 6" e 8' 0" e 8' 0" e 8' 0" e 8' 3" e 8' 3" e 8' 3" e 600S ' 8" 29' " 26' 2" 22' " 20' 5" 7' 3" 9' 0" 8' 6" 5' 8" 7' 9" 7' 3" 4' 6" 6' 3" 6' 2" 3' 8" 5' 0" e 5' 0" e 3' 0" 4' 0" e 4' 0" e 2' 5" 600S ' 3" 27' 2" 23' 9" 9' 0" 8' 6" 5' 8" 7' 2" 6' 0" 4' 2" 5' 5" 5' 5" 3' 2" 4' 0" e 4' 0" e 2' 5" 3' 0" e 3' 0" e ' 9" e 2' 2" e 2' 2" e ' 3" e 600S ' " 23' 9" 20' 9" 6' 3" 6' 2" 3' 8" 4' 0" e 4' 0" e 2' 5" 2' 7" e 2' 7" e ' 6" e ' 6" e ' 6" e 0' 0" e 0' 7" e 0' 7" e 0' 4" e 9' " e 9' " e 9' 0" e 600S ' 5" 32' " 28' 0" 25' " 2' " 8' 5" 22' 9" 9' " 6' 9" 20' 8" 8' 5" 5' 7" 8' 0" 7' 4" 4' 8" 7' 5" 6' 6" 3' " 6' 4" 5' 9" 3' 4" 600S ' 9" 29' 2" 25' 6" 22' 9" 9' " 6' 9" 20' 0" 8' " 5' 3" 7' 0" 6' 9" 4' 2" 6' 4" 5' 9" 3' 4" 5' " 5' 0" 2' 8" 4' " 4' " 2' " 600S ' " 25' 6" 22' 3" 8' 0" 7' 4" 4' 8" 6' 4" 5' 9" 3' 4" 4' 7" 4' 7" 2' 4" 3' 4" e 3' 4" e ' 8" 2' 4" e 2' 4" e ' " ' 6" e ' 6" e 0' 7" e 600S ' 5" 32' " 28' 0" 25' " 2' " 8' 5" 22' 9" 9' " 6' 9" 2' 2" 8' 5" 5' 7" 9' " 7' 4" 4' 8" 8' " 6' 6" 3' " 8' " 5' 9" 3' 4" 600S ' 9" 29' 2" 25' 6" 22' 9" 9' " 6' 9" 20' 8" 8' " 5' 3" 9' 2" 6' 9" 4' 2" 8' " 5' 9" 3' 4" 7' 2" 5' 0" 2' 8" 6' 4" 4' 4" 2' " 600S ' " 25' 6" 22' 3" 9' " 7' 4" 4' 8" 8' " 5' 9" 3' 4" 6' 9" 4' 8" 2' 4" 5' 4" 3' 9" ' 8" 4' 3" 3' " ' " 3' 4" 2' 6" 0' 7" 600S ' 4" 34' 4" 30' 0" 26' 0" 23' 5" 9' 9" 24' 5" 2' 4" 8' 0" 22' 8" 9' 9" 6' 8" 2' 3" 8' 7" 5' 8" 9' 8" 7' 8" 4' " 8' 5" 6' " 4' 3" 600S ' 4" 3' 3" 27' 3" 24' 5" 2' 4" 8' 0" 22' 2" 9' 4" 6' 4" 20' 2" 8' 0" 5' 2" 8' 5" 6' " 4' 3" 7' " 6' " 3' 7" 6' 0" 5' 4" 2' " 600S ' 4" 27' 3" 23' 0" 2' 3" 8' 7" 5' 8" 8' 5" 6' " 4' 3" 6' 6" 5' 8" 3' 3" 5' " 4' 9" 2' 5" 3' " 3' " ' 0" 3' 0" 3' 0" ' 4" 600S ' 4" 34' 4" 30' 0" 26' 0" 23' 5" 9' 9" 24' 5" 2' 4" 8' 0" 22' 8" 9' 9" 6' 8" 2' 4" 8' 7" 5' 8" 20' 3" 7' 8" 4' " 9' 4" 6' " 4' 3" 600S ' 4" 3' 3" 27' 3" 24' 5" 2' 4" 8' 0" 22' 2" 9' 4" 6' 4" 20' 7" 8' 0" 5' 2" 9' 4" 6' " 4' 3" 8' 5" 6' " 3' 7" 7' 7" 5' 4" 2' " 600S ' 4" 27' 3" 23' 0" 2' 4" 8' 7" 5' 8" 9' 4" 6' " 4' 3" 8' 0" 5' 8" 3' 3" 6' " 4' 9" 2' 5" 6' " 4' 0" ' 0" 5' 4" 3' 5" ' 4" 600S ' " 38' 0" 33' 2" 29' 8" 25' " 2' 0" 27' 0" 23' 7" 9' 0" 25' 0" 2' 0" 8' 5" 23' 7" 20' 7" 7' 4" 22' 5" 9' 7" 6' 6" 2' 5" 8' 8" 5' 9" 600S ' 6" 34' 6" 30' 2" 27' 0" 23' 7" 9' 0" 24' 6" 2' 5" 8' " 22' 9" 9' 0" 6' 9" 2' 5" 8' 8" 5' 9" 9' 0" 7' 9" 5' 0" 8' 7" 7' 0" 4' 4" 600S ' 0" 30' 2" 26' 4" 23' 7" 20' 7" 7' 4" 2' 5" 8' 8" 5' 9" 9' 2" 7' 4" 4' 8" 7' 6" 6' 4" 3' 9" 6' 3" 5' 6" 3' " 5' 2" 4' 0" 2' 6" 600S ' " 38' 0" 33' 2" 29' 8" 25' " 2' 0" 27' 0" 23' 7" 9' 0" 25' 0" 2' 0" 8' 5" 23' 7" 20' 7" 7' 4" 22' 5" 9' 7" 6' 6" 2' 5" 8' 8" 5' 9" 600S ' 6" 34' 6" 30' 2" 27' 0" 23' 7" 9' 0" 24' 6" 2' 5" 8' " 22' 9" 9' 0" 6' 9" 2' 5" 8' 8" 5' 9" 20' 4" 7' 9" 5' 0" 9' 5" 7' 0" 4' 4" 600S ' 0" 30' 2" 26' 4" 23' 7" 20' 7" 7' 4" 2' 5" 8' 8" 5' 9" 9' 0" 7' 4" 4' 8" 8' 8" 6' 4" 3' 9" 7' 9" 5' 6" 3' " 7' 0" 4' 0" 2' 6" 600S ' 6" 28' 8" 25' 0" 20' 6" e 9' 6" 6' 6" 7' 9" e 7' 9" e 5' 0" 5' " e 5' " e 3' " e 4' 6" e 4' 6" e 3' " e 3' 5" e 3' 5" e 2' 5" e 2' 7" e 2' 7" e ' " e 600S ' 9" 26' 0" 22' 9" 7' 9" e 7' 9" e 5' 0" 5' 5" e 5' 5" e 3' 7" e 3' 9" e 3' 9" e 2' 8" e 2' 7" e 2' 7" e ' " e ' 8" e ' 8" e ' 3" e 0' " e 0' " e 0' 0" e 600S ' 2" 22' 9" 9' 0" 4' 6" e 4' 6" e 3' " e 2' 7" e 2' 7" e ' " e ' 3" e ' 3" e ' 0" e 0' 3" e 0' 3" e 0' 3" e 9' 6" e 9' 6" e 9' 6" e 8' " e 8' " e 8' " e 600S ' 4" 3' 2" 27' 3" 24' 4" 2' 3" 7' " 2' 3" 9' 4" 6' 4" 9' 0" 7' " 5' 2" 7' 4" e 6' " 4' 3" 6' " e 6' " e 3' 6" 5' 0" e 5' 0" e 2' " 600S ' 9" 28' 4" 24' 9" 2' 3" 9' 4" 6' 4" 8' 5" 7' 7" 4' 0" 6' 6" e 6' 4" e 3' 9" 5' 0" e 5' 0" e 2' " 3' " e 3' " e 2' 4" e 3' 0" e 3' 0" e ' 9" e 600S ' " 24' 9" 2' 8" 7' 4" e 6' " 4' 3" 5' 0" e 5' 0" e 2' " 3' 5" e 3' 5" e 2' 0" e 2' 3" e 2' 3" e ' 4" e ' 4" e ' 4" e 0' 9" e 0' 8" e 0' 8" e 0' 3" e 600S ' 2" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 22' 0" 9' 3" 6' 3" 20' " 8' " 5' 3" 8' 7" 7' 3" 4' 6" 7' 5" 6' 6" 3' " 600S ' 4" 30' 5" 26' 7" 23' 9" 20' 9" 7' 6" 2' 4" 8' 0" 5' " 9' " 7' 6" 4' 9" 7' 5" 6' 6" 3' " 6' " 5' 8" 3' 2" 5' " e 5' 0" e 2' 7" 600S ' 6" 26' 7" 23' 3" 20' " 8' " 5' 3" 7' 5" 6' 6" 3' " 5' 7" 5' 3" 2' " 4' 3" e 4' 3" e 2' 2" 3' 2" e 3' 2" e ' 6" e 2' 4" e 2' 4" e ' 0" e See Curtain Wall Limiting Heights Table Notes on page 23. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 29

32 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 2" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 22' " 9' 3" 6' 3" 20' 9" 8' " 5' 3" 9' 8" 7' 3" 4' 6" 8' 0" 6' 6" 3' " 600S ' 4" 30' 5" 26' 7" 23' 9" 20' 9" 7' 6" 2' 7" 8' 0" 5' " 20' 0" 7' 6" 4' 9" 8' 0" 6' 6" 3' " 7' " 5' 8" 3' 2" 7' 2" 5' 0" 2' 7" 600S ' 6" 26' 7" 23' 3" 20' 9" 8' " 5' 3" 8' 0" 6' 6" 3' " 7' 6" 5' 3" 2' " 6' 5" 4' 5" 2' 2" 5' 2" 3' 8" ' 6" 4' 3" 3' " ' 0" 600S ' 3" 35' " 3' 4" 28' 0" 24' 6" 20' 8" 25' 6" 22' 3" 8' 9" 23' 8" 20' 8" 7' 5" 22' 3" 9' 5" 6' 5" 2' 0" 8' 5" 5' 7" 9' 8" 7' 8" 4' " 600S ' " 32' 7" 28' 6" 25' 6" 22' 3" 8' 9" 23' 2" 20' 3" 7' " 2' 6" 8' 9" 5' 0" 9' 8" 7' 8" 4' " 8' 3" 6' 9" 4' 2" 7' 0" 6' 0" 3' 6" 600S ' " 28' 6" 24' " 22' 3" 9' 5" 6' 5" 9' 8" 7' 8" 4' " 7' 7" 6' 5" 3' 0" 6' " 5' 5" 3' 0" 4' 0" 4' 8" 2' 4" 3' " 3' " ' 0" 600S ' 3" 35' " 3' 4" 28' 0" 24' 6" 20' 8" 25' 6" 22' 3" 8' 9" 23' 8" 20' 8" 7' 5" 22' 3" 9' 5" 6' 5" 2' 2" 8' 5" 5' 7" 20' 3" 7' 8" 4' " 600S ' " 32' 7" 28' 6" 25' 6" 22' 3" 8' 9" 23' 2" 20' 3" 7' " 2' 6" 8' 9" 5' 0" 20' 3" 7' 8" 4' " 9' 2" 6' 9" 4' 2" 8' 4" 6' 0" 3' 6" 600S ' " 28' 6" 24' " 22' 3" 9' 5" 6' 5" 20' 3" 7' 8" 4' " 8' 9" 6' 5" 3' 0" 7' 8" 5' 5" 3' 0" 6' 9" 4' 8" 2' 4" 6' 0" 4' 0" ' 0" 600S ' " 39' 9" 34' 9" 3' " 27' 2" 22' " 28' 3" 24' 8" 20' 9" 26' 2" 22' " 9' 4" 24' 8" 2' 6" 8' 2" 23' 5" 20' 5" 7' 3" 22' 5" 9' 7" 6' 6" 600S ' 6" 36' 2" 3' 7" 28' 3" 24' 8" 20' 9" 25' 8" 22' 5" 8' " 23' 0" 20' 9" 7' 6" 22' 5" 9' 7" 6' 6" 2' 3" 8' 7" 5' 8" 9' " 7' 9" 5' 0" 600S ' 9" 3' 7" 27' 7" 24' 8" 2' 6" 8' 2" 22' 5" 9' 7" 6' 6" 20' 6" 8' 2" 5' 4" 8' 9" 7' " 4' 5" 7' 4" 6' 3" 3' 8" 6' 3" 5' 6" 3' " 600S ' " 39' 9" 34' 9" 3' " 27' 2" 22' " 28' 3" 24' 8" 20' 9" 26' 2" 22' " 9' 4" 24' 8" 2' 6" 8' 2" 23' 5" 20' 5" 7' 3" 22' 5" 9' 7" 6' 6" 600S ' 6" 36' 2" 3' 7" 28' 3" 24' 8" 20' 9" 25' 8" 22' 5" 8' " 23' 0" 20' 9" 7' 6" 22' 5" 9' 7" 6' 6" 2' 3" 8' 7" 5' 8" 20' 4" 7' 9" 5' 0" 600S ' 9" 3' 7" 27' 7" 24' 8" 2' 6" 8' 2" 22' 5" 9' 7" 6' 6" 20' 9" 8' 2" 5' 4" 9' 7" 7' " 4' 5" 8' 7" 6' 3" 3' 8" 7' 9" 5' 6" 3' " 600S ' " 42' 0" 36' 8" 32' 0" 28' 8" 24' 2" 29' 0" 26' 0" 22' 0" 27' 8" 24' 2" 20' 5" 26' 0" 22' 9" 9' 2" 24' 9" 2' 7" 8' 3" 23' 8" 20' 8" 7' 5" 600S ' " 38' 2" 33' 4" 29' 0" 26' 0" 22' 0" 27' " 23' 8" 9' " 25' 2" 22' 0" 8' 6" 23' 8" 20' 8" 7' 5" 22' 6" 9' 8" 6' 7" 2' 6" 8' 9" 5' 0" 600S ' 0" 33' 4" 29' 2" 26' 0" 22' 9" 9' 2" 23' 8" 20' 8" 7' 5" 22' 0" 9' 2" 6' 2" 20' 4" 8' " 5' 3" 8' 0" 7' 2" 4' 6" 7' 7" 6' 5" 3' 0" 600S ' " 42' 0" 36' 8" 32' 0" 28' 8" 24' 2" 29' 0" 26' 0" 22' 0" 27' 8" 24' 2" 20' 5" 26' 0" 22' 9" 9' 2" 24' 9" 2' 7" 8' 3" 23' 8" 20' 8" 7' 5" 600S ' " 38' 2" 33' 4" 29' 0" 26' 0" 22' 0" 27' " 23' 8" 9' " 25' 2" 22' 0" 8' 6" 23' 8" 20' 8" 7' 5" 22' 6" 9' 8" 6' 7" 2' 6" 8' 9" 5' 0" 600S ' 0" 33' 4" 29' 2" 26' 0" 22' 9" 9' 2" 23' 8" 20' 8" 7' 5" 22' 0" 9' 2" 6' 2" 20' 8" 8' " 5' 3" 9' 8" 7' 2" 4' 6" 8' 9" 6' 5" 3' 0" 600S ' 9" 30' 0" 26' 2" 2' " e 20' 6" e 7' 3" 8' " e 8' 7" e 5' 8" e 6' " e 6' " e 4' 7" e 5' 6" e 5' 6" e 3' 8" e 4' 4" e 4' 4" e 3' 0" e 3' 5" e 3' 5" e 2' 5" e 600S ' 0" 27' 3" 23' 0" 8' " e 8' 7" e 5' 8" e 6' 5" e 6' 5" e 4' 3" e 4' 8" e 4' 8" e 3' 3" e 3' 5" e 3' 5" e 2' 5" e 2' 5" e 2' 5" e ' 0" e ' 7" e ' 7" e ' 4" e 600S ' 0" 23' 0" 20' 0" 5' 6" e 5' 6" e 3' 8" e 3' 5" e 3' 5" e 2' 5" e 2' 0" e 2' 0" e ' 7" e 0' " e 0' " e 0' 0" e 0' 2" e 0' 2" e 0' 2" e 9' 6" e 9' 6" e 9' 6" e 600S ' 3" 32' 9" 28' 7" 25' 7" 22' 4" 8' 0" 22' 8" 20' 4" 7' 2" 20' 3" 8' 0" 5' " 8' 6" e 7' 9" e 5' 0" 7' " e 6' 0" e 4' 3" 6' 0" e 6' 0" e 3' 7" e 600S ' 6" 29' 9" 26' 0" 22' 8" 20' 4" 7' 2" 9' 7" e 8' 5" 5' 7" 7' 7" e 7' 2" e 4' 5" 6' 0" e 6' 0" e 3' 7" e 4' 0" e 4' 0" e 2' " e 3' 0" e 3' 0" e 2' 4" e 600S ' 0" 26' 0" 22' 9" 8' 6" e 7' 9" e 5' 0" 6' 0" e 6' 0" e 3' 7" e 4' 4" e 4' 4" e 2' 7" e 3' " e 3' " e ' " e 2' " e 2' " e ' 3" e ' 4" e ' 4" e 0' 9" e 600S ' 4" 35' 2" 30' 9" 27' 6" 24' 0" 20' 3" 24' " 2' 0" 8' 5" 23' 2" 20' 3" 7' " 2' 5" 9' " 6' " 9' 0" 8' " 5' 3" 8' 7" 7' 4" 4' 7" 600S ' 3" 32' 0" 27' " 24' " 2' 0" 8' 5" 22' 8" 9' 0" 6' 8" 20' 4" 8' 5" 5' 6" 8' 7" 7' 4" 4' 7" 7' 2" e 6' 5" 3' 0" 6' " e 5' 9" e 3' 3" 600S ' 2" 27' " 24' 5" 2' 5" 9' " 6' " 8' 7" 7' 4" 4' 7" 6' 7" e 6' " e 3' 7" 5' 2" e 5' " e 2' 9" 4' 0" e 4' 0" e 2' " e 3' " e 3' " e ' 7" e 600S ' 4" 35' 2" 30' 9" 27' 6" 24' 0" 20' 3" 24' " 2' 0" 8' 5" 23' 2" 20' 3" 7' " 2' 0" 9' " 6' " 20' 9" 8' " 5' 3" 9' 0" 7' 4" 4' 7" 600S ' 3" 32' 0" 27' " 24' " 2' 0" 8' 5" 22' 8" 9' 0" 6' 8" 2' " 8' 5" 5' 6" 9' 0" 7' 4" 4' 7" 8' 0" 6' 5" 3' 0" 8' 0" 5' 9" 3' 3" 600S ' 2" 27' " 24' 5" 2' 0" 9' " 6' " 9' 0" 7' 4" 4' 7" 8' 5" 6' " 3' 7" 7' 4" 5' " 2' 9" 6' 2" 4' 4" 2' " 5' " e 3' 9" ' 7" 600S ' 7" 37' 9" 33' 0" 29' 6" 25' 9" 2' 9" 26' 9" 23' 5" 9' 9" 24' 0" 2' 9" 8' 4" 23' 5" 20' 5" 7' 3" 22' 3" 9' 5" 6' 4" 2' 3" 8' 7" 5' 8" 600S ' 2" 34' 4" 29' " 26' 9" 23' 5" 9' 9" 24' 4" 2' 3" 7' " 22' 7" 9' 9" 6' 8" 2' 3" 8' 7" 5' 8" 9' 8" 7' 8" 4' " 8' 5" 6' 0" 4' 3" 600S ' 9" 29' " 26' 2" 23' 5" 20' 5" 7' 3" 2' 3" 8' 7" 5' 8" 9' 0" 7' 3" 4' 6" 7' 4" 6' 3" 3' 8" 6' 0" 5' 5" 3' 0" 5' 0" 4' 9" 2' 5" 600S ' 7" 37' 9" 33' 0" 29' 6" 25' 9" 2' 9" 26' 9" 23' 5" 9' 9" 24' 0" 2' 9" 8' 4" 23' 5" 20' 5" 7' 3" 22' 3" 9' 5" 6' 4" 2' 3" 8' 7" 5' 8" 600S ' 2" 34' 4" 29' " 26' 9" 23' 5" 9' 9" 24' 4" 2' 3" 7' " 22' 7" 9' 9" 6' 8" 2' 3" 8' 7" 5' 8" 20' 2" 7' 8" 4' " 9' 4" 6' 0" 4' 3" 600S ' 9" 29' " 26' 2" 23' 5" 20' 5" 7' 3" 2' 3" 8' 7" 5' 8" 9' 9" 7' 3" 4' 6" 8' 7" 6' 3" 3' 8" 7' 8" 5' 5" 3' 0" 6' 0" 4' 9" 2' 5" 600S ' 0" 4' " 36' 7" 32' 9" 28' 7" 24' " 29' 9" 26' 0" 2' " 27' 7" 24' " 20' 4" 26' 0" 22' 8" 9' 2" 24' 8" 2' 7" 8' 2" 23' 7" 20' 7" 7' 5" 600S ' 0" 38' " 33' 3" 29' 9" 26' 0" 2' " 27' 0" 23' 7" 9' " 25' " 2' " 8' 6" 23' 7" 20' 7" 7' 5" 22' 5" 9' 7" 6' 6" 2' 5" 8' 9" 5' 0" 600S ' " 33' 3" 29' " 26' 0" 22' 8" 9' 2" 23' 7" 20' 7" 7' 5" 2' " 9' 2" 6' 2" 20' 3" 8' 0" 5' 2" 8' 9" 7' " 4' 5" 7' 7" 6' 4" 3' 0" 600S ' 0" 4' " 36' 7" 32' 9" 28' 7" 24' " 29' 9" 26' 0" 2' " 27' 7" 24' " 20' 4" 26' 0" 22' 8" 9' 2" 24' 8" 2' 7" 8' 2" 23' 7" 20' 7" 7' 5" 600S ' 0" 38' " 33' 3" 29' 9" 26' 0" 2' " 27' 0" 23' 7" 9' " 25' " 2' " 8' 6" 23' 7" 20' 7" 7' 5" 22' 5" 9' 7" 6' 6" 2' 5" 8' 9" 5' 0" 600S ' " 33' 3" 29' " 26' 0" 22' 8" 9' 2" 23' 7" 20' 7" 7' 5" 2' " 9' 2" 6' 2" 20' 7" 8' 0" 5' 2" 9' 7" 7' " 4' 5" 8' 9" 6' 4" 3' 0" 600S ' 0" 44' 4" 38' 9" 34' 7" 30' 3" 25' 6" 3' 5" 27' 6" 23' 2" 29' 2" 25' 6" 2' 6" 27' 6" 24' 0" 20' 3" 26' " 22' 0" 9' 3" 25' 0" 2' 0" 8' 5" 600S ' 9" 40' 3" 35' 2" 3' 5" 27' 6" 23' 2" 28' 7" 25' 0" 2' " 26' 6" 23' 2" 9' 7" 25' 0" 2' 0" 8' 5" 23' 9" 20' 9" 7' 6" 22' 8" 9' 0" 6' 9" 600S ' 4" 35' 2" 30' 9" 27' 6" 24' 0" 20' 3" 25' 0" 2' 0" 8' 5" 23' 2" 20' 3" 7' " 2' 0" 9' " 6' " 20' 5" 8' " 5' 3" 9' " 7' 4" 4' 7" 600S ' 0" 44' 4" 38' 9" 34' 7" 30' 3" 25' 6" 3' 5" 27' 6" 23' 2" 29' 2" 25' 6" 2' 6" 27' 6" 24' 0" 20' 3" 26' " 22' 0" 9' 3" 25' 0" 2' 0" 8' 5" 600S ' 9" 40' 3" 35' 2" 3' 5" 27' 6" 23' 2" 28' 7" 25' 0" 2' " 26' 6" 23' 2" 9' 7" 25' 0" 2' 0" 8' 5" 23' 9" 20' 9" 7' 6" 22' 8" 9' 0" 6' 9" 600S ' 4" 35' 2" 30' 9" 27' 6" 24' 0" 20' 3" 25' 0" 2' 0" 8' 5" 23' 2" 20' 3" 7' " 2' 0" 9' " 6' " 20' 9" 8' " 5' 3" 9' 0" 7' 4" 4' 7" 600S ' 3" 34' 4" 30' 0" 26' 0" 23' 5" 9' 9" 23' 3" 2' 3" 7' " 20' 0" e 9' 9" 6' 8" 9' 0" e 8' 7" e 5' 8" 7' 7" e 7' 7" e 4' " e 6' 5" e 6' 5" e 4' 3" e 600S ' 3" 3' 2" 27' 3" 23' 3" 2' 3" 7' " 20' 2" e 9' 4" 6' 4" 8' 0" e 7' " e 5' 2" 6' 5" e 6' 5" e 4' 3" e 5' 3" e 5' 3" e 3' 6" e 4' 3" e 4' 3" e 2' " e 600S ' " 27' 3" 23' 0" 9' 0" e 8' 7" e 5' 8" 6' 5" e 6' 5" e 4' 3" e 4' 8" e 4' 8" e 3' 3" e 3' 5" e 3' 5" e 2' 5" e 2' 5" e 2' 5" e ' 0" e ' 7" e ' 7" e ' 4" e 600S ' 5" 36' 0" 32' 2" 28' 9" 25' 2" 2' 2" 26' 2" 22' 0" 9' 3" 24' 2" 2' 2" 7' " 22' " 9' " 6' 0" 20' 5" 8' " 6' 0" 9' " 8' 2" 5' 4" 600S ' 2" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 5" 20' 9" 7' 6" 20' " 9' 3" 6' 3" 9' " 8' 2" 5' 4" 7' 8" e 7' 3" e 4' 6" 6' 7" e 6' 6" e 3' " 600S ' 0" 29' 3" 25' 7" 22' " 9' " 6' 0" 9' " 8' 2" 5' 4" 7' " e 6' 0" e 4' 2" 5' 7" e 5' 7" e 3' 4" e 4' 5" e 4' 5" e 2' 8" e 3' 6" e 3' 6" e 2' 2" e 600S ' 3" 36' 8" 32' " 28' 8" 25' 0" 2' " 26' 0" 22' 9" 9' 2" 24' 2" 2' " 7' 0" 22' 9" 9' 0" 6' 9" 2' 7" 8' 0" 5' " 20' 8" 8' " 5' 3" 600S ' 0" 33' 4" 29' " 26' 0" 22' 9" 9' 2" 23' 8" 20' 8" 7' 5" 2' " 9' 2" 6' 2" 20' 8" 8' " 5' 3" 9' 7" 7' 2" 4' 6" 8' 9" 6' 5" 3' 0" 600S ' 8" 29' " 25' 5" 22' 9" 9' 0" 6' 9" 20' 8" 8' " 5' 3" 9' 2" 6' 9" 4' 2" 7' 0" 5' 9" 3' 4" 6' 6" 5' 0" 2' 8" 5' 6" e 4' 4" 2' " 600S ' 0" 39' 7" 34' 7" 30' " 27' 0" 22' 9" 28' " 24' 6" 20' 8" 26' " 22' 9" 9' 2" 24' 6" 2' 5" 8' " 23' 4" 20' 4" 7' 2" 22' 2" 9' 6" 6' 5" 600S ' 4" 35' " 3' 5" 28' " 24' 6" 20' 8" 25' 6" 22' 3" 8' 0" 23' 8" 20' 8" 7' 5" 22' 2" 9' 6" 6' 5" 20' 6" 8' 6" 5' 7" 9' 2" 7' 8" 4' " 600S ' 7" 3' 5" 27' 5" 24' 6" 2' 5" 8' " 22' 2" 9' 6" 6' 5" 9' 0" 8' " 5' 3" 8' " 7' 0" 4' 4" 6' 9" 6' 2" 3' 8" 5' 8" e 5' 5" e 3' 0" 600S ' 0" 39' 7" 34' 7" 30' " 27' 0" 22' 9" 28' " 24' 6" 20' 8" 26' " 22' 9" 9' 2" 24' 6" 2' 5" 8' " 23' 4" 20' 4" 7' 2" 22' 3" 9' 6" 6' 5" 600S ' 3" 35' " 3' 5" 28' " 24' 6" 20' 8" 25' 6" 22' 3" 8' 0" 23' 8" 20' 8" 7' 5" 22' 3" 9' 6" 6' 5" 2' 2" 8' 6" 5' 7" 20' 3" 7' 8" 4' " 600S ' 7" 3' 5" 27' 5" 24' 6" 2' 5" 8' " 22' 3" 9' 6" 6' 5" 20' 8" 8' " 5' 3" 9' 6" 7' 0" 4' 4" 8' 6" 6' 2" 3' 7" 7' 8" 5' 5" 3' 0" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

33 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 5" 44' 0" 38' 5" 34' 4" 30' 0" 25' 4" 3' 3" 27' 3" 23' 0" 29' 0" 25' 4" 2' 4" 27' 3" 23' 0" 20' " 25' " 22' 8" 9' " 24' 9" 2' 8" 8' 3" 600S ' 4" 40' 0" 34' " 3' 3" 27' 3" 23' 0" 28' 4" 24' 9" 20' " 26' 4" 23' 0" 9' 5" 24' 9" 2' 8" 8' 3" 23' 6" 20' 7" 7' 4" 22' 6" 9' 8" 6' 7" 600S ' 0" 34' " 30' 6" 27' 3" 23' 0" 20' " 24' 9" 2' 8" 8' 3" 23' 0" 20' " 6' " 2' 8" 8' " 5' " 20' 2" 8' 0" 5' 2" 8' " 7' 2" 4' 6" 600S ' 5" 44' 0" 38' 5" 34' 4" 30' 0" 25' 4" 3' 3" 27' 3" 23' 0" 29' 0" 25' 4" 2' 4" 27' 3" 23' 0" 20' " 25' " 22' 8" 9' " 24' 9" 2' 8" 8' 3" 600S ' 4" 40' 0" 34' " 3' 3" 27' 3" 23' 0" 28' 4" 24' 9" 20' " 26' 4" 23' 0" 9' 5" 24' 9" 2' 8" 8' 3" 23' 6" 20' 7" 7' 4" 22' 6" 9' 8" 6' 7" 600S ' 0" 34' " 30' 6" 27' 3" 23' 0" 20' " 24' 9" 2' 8" 8' 3" 23' 0" 20' " 6' " 2' 8" 8' " 5' " 20' 7" 8' 0" 5' 2" 9' 8" 7' 2" 4' 6" 600S ' 8" 46' 7" 40' 8" 36' 5" 3' 9" 26' 0" 33' " 28' " 24' 4" 30' 8" 26' 0" 22' 7" 28' " 25' 3" 2' 3" 27' 5" 24' 0" 20' 3" 26' 3" 22' " 9' 4" 600S ' 4" 42' 4" 37' 0" 33' " 28' " 24' 4" 30' 0" 26' 3" 22' 2" 27' " 24' 4" 20' 7" 26' 3" 22' " 9' 4" 24' " 2' 9" 8' 4" 23' 0" 20' 0" 7' 7" 600S ' 7" 37' 0" 32' 4" 28' " 25' 3" 2' 3" 26' 3" 22' " 9' 4" 24' 4" 2' 3" 7' " 22' " 20' 0" 6' " 2' 9" 9' 0" 6' " 20' 7" 8' 2" 5' 4" 600S ' 8" 46' 7" 40' 8" 36' 5" 3' 9" 26' 0" 33' " 28' " 24' 4" 30' 8" 26' 0" 22' 7" 28' " 25' 3" 2' 3" 27' 5" 24' 0" 20' 3" 26' 3" 22' " 9' 4" 600S ' 4" 42' 4" 37' 0" 33' " 28' " 24' 4" 30' 0" 26' 3" 22' 2" 27' " 24' 4" 20' 7" 26' 3" 22' " 9' 4" 24' " 2' 9" 8' 4" 23' 0" 20' 0" 7' 7" 600S ' 7" 37' 0" 32' 4" 28' " 25' 3" 2' 3" 26' 3" 22' " 9' 4" 24' 4" 2' 3" 7' " 22' " 20' 0" 6' " 2' 9" 9' 0" 6' " 20' 0" 8' 2" 5' 4" 600S ' 2" 38' 3" 33' 5" 29' 0" 26' " 22' 0" 27' 2" 23' 8" 20' 0" 24' 8" 22' 0" 8' 7" 22' 6" 20' 9" 7' 6" 20' 0" 9' 8" 6' 7" 9' 6" 8' 0" 5' 0" 600S ' 9" 34' 9" 30' 4" 27' 2" 23' 8" 20' 0" 23' " 2' 6" 8' 2" 2' 4" 20' 0" 6' 0" 9' 6" 8' 0" 5' 0" 8' " e 7' 0" e 5' " 6' " e 6' " e 4' 5" 600S ' 3" 30' 4" 26' 6" 22' 6" 20' 9" 7' 6" 9' 6" 8' 0" 5' 0" 7' 5" e 7' 5" e 4' 9" 5' " e 5' " e 3' 0" e 4' 9" e 4' 9" e 3' 2" e 3' 9" e 3' 9" e 2' 7" e 600S ' 3" 37' 6" 32' 9" 29' 3" 25' 7" 2' 7" 26' 7" 23' 3" 9' 7" 24' 8" 2' 7" 8' 2" 23' 3" 20' 3" 7' " 22' " 9' 3" 6' 3" 2' " 8' 5" 5' 7" 600S ' " 34' " 29' 9" 26' 7" 23' 3" 9' 7" 24' 2" 2' " 7' 0" 22' 5" 9' 7" 6' 6" 2' " 8' 5" 5' 7" 20' " 7' 6" 4' 9" 9' 2" 6' 9" 4' 2" 600S ' 6" 29' 9" 26' 0" 23' 3" 20' 3" 7' " 2' " 8' 5" 5' 7" 9' 7" 7' " 4' 5" 8' 2" 6' " 3' 7" 6' 0" 5' 4" 2' " 5' 9" e 4' 8" 2' 4" 600S ' " 4' 3" 36' 0" 32' 2" 28' " 23' 9" 29' 3" 25' 7" 2' 7" 27' 2" 23' 9" 20' 0" 25' 7" 22' 4" 8' 0" 24' 3" 2' 2" 7' " 22' 8" 20' 3" 7' " 600S ' 2" 37' 5" 32' 9" 29' 3" 25' 7" 2' 7" 26' 7" 23' 3" 9' 7" 24' 8" 2' 7" 8' 2" 22' 8" 20' 3" 7' " 2' 0" 9' 3" 6' 3" 9' 8" 8' 5" 5' 6" 600S ' 3" 32' 9" 28' 7" 25' 7" 22' 4" 8' 0" 22' 8" 20' 3" 7' " 20' 4" 8' 0" 5' " 8' 6" 7' 9" 4' " 7' 2" 6' 0" 4' 2" 6' " e 6' " e 3' 7" 600S ' 7" 40' " 35' 9" 3' " 27' " 23' 6" 29' 0" 25' 4" 2' 5" 26' " 23' 6" 9' 0" 25' 4" 22' 2" 8' 8" 24' " 2' 0" 7' 9" 23' 0" 20' 2" 7' 0" 600S ' 0" 37' 2" 32' 6" 29' 0" 25' 4" 2' 5" 26' 4" 23' 0" 9' 5" 24' 6" 2' 5" 8' 0" 23' 0" 20' 2" 7' 0" 2' " 9' " 6' " 20' " 8' 3" 5' 5" 600S ' " 32' 6" 28' 4" 25' 4" 22' 2" 8' 8" 23' 0" 20' 2" 7' 0" 2' 5" 8' 8" 5' 9" 20' 2" 7' 7" 4' 0" 9' " 6' 8" 4' " 8' 3" 6' 0" 3' 6" 600S ' 0" 45' " 40' " 35' 0" 3' 4" 26' 5" 32' 7" 28' 5" 24' 0" 30' 3" 26' 5" 22' 3" 28' 5" 24' 0" 2' 0" 27' 0" 23' 7" 9' " 25' 0" 22' 7" 9' " 600S ' 7" 4' 9" 36' 5" 32' 7" 28' 5" 24' 0" 29' 7" 25' 0" 2' 0" 27' 6" 24' 0" 20' 3" 25' 0" 22' 7" 9' " 24' 7" 2' 5" 8' " 23' 6" 20' 6" 7' 4" 600S ' " 36' 5" 3' 0" 28' 5" 24' 0" 2' 0" 25' 0" 22' 7" 9' " 24' 0" 2' 0" 7' 8" 22' 7" 9' 9" 6' 8" 2' 5" 8' 9" 5' 0" 20' " 7' " 5' " 600S ' 7" 45' 8" 39' " 35' 8" 3' 2" 26' 4" 32' 5" 28' 4" 23' " 30' " 26' 4" 22' 2" 28' 4" 24' 9" 20' 0" 26' " 23' 6" 9' 0" 25' 9" 22' 6" 9' 0" 600S ' 4" 4' 6" 36' 3" 32' 5" 28' 4" 23' " 29' 6" 25' 9" 2' 8" 27' 4" 23' " 20' 2" 25' 9" 22' 6" 9' 0" 24' 5" 2' 4" 8' 0" 23' 5" 20' 5" 7' 3" 600S ' 8" 36' 3" 3' 8" 28' 4" 24' 9" 20' 0" 25' 9" 22' 6" 9' 0" 23' " 20' 0" 7' 7" 22' 6" 9' 8" 6' 7" 2' 4" 8' 8" 5' 9" 20' 5" 7' 0" 5' " 600S ' 4" 48' 8" 42' 6" 38' 0" 33' 2" 28' 0" 34' 6" 30' 2" 25' 5" 32' " 28' 0" 23' 7" 30' 2" 26' 4" 22' 3" 28' 8" 25' 0" 2' " 27' 5" 23' " 20' 2" 600S ' 8" 44' 3" 38' 7" 34' 6" 30' 2" 25' 5" 3' 4" 27' 5" 23' " 29' " 25' 5" 2' 5" 27' 5" 23' " 20' 2" 26' 0" 22' 9" 9' 2" 24' " 2' 9" 8' 4" 600S ' 8" 38' 7" 33' 9" 30' 2" 26' 4" 22' 3" 27' 5" 23' " 20' 2" 25' 5" 22' 3" 8' 9" 23' " 20' " 7' 8" 22' 9" 9' 0" 6' 9" 2' 9" 9' 0" 6' 0" 600S ' 4" 48' 8" 42' 6" 38' 0" 33' 2" 28' 0" 34' 6" 30' 2" 25' 5" 32' " 28' 0" 23' 7" 30' 2" 26' 4" 22' 3" 28' 8" 25' 0" 2' " 27' 5" 23' " 20' 2" 600S ' 8" 44' 3" 38' 7" 34' 6" 30' 2" 25' 5" 3' 4" 27' 5" 23' " 29' " 25' 5" 2' 5" 27' 5" 23' " 20' 2" 26' 0" 22' 9" 9' 2" 24' " 2' 9" 8' 4" 600S ' 8" 38' 7" 33' 9" 30' 2" 26' 4" 22' 3" 27' 5" 23' " 20' 2" 25' 5" 22' 3" 8' 9" 23' " 20' " 7' 8" 22' 9" 9' 0" 6' 9" 2' 9" 9' 0" 6' 0" 600S ' 6" 40' " 35' 0" 3' 4" 27' 4" 23' " 28' 5" 24' 0" 20' " 26' 5" 23' " 9' 5" 24' 0" 2' 8" 8' 4" 23' " e 20' 7" 7' 5" 2' 7" e 9' 9" 6' 8" 600S ' " 36' 5" 3' 0" 28' 5" 24' 0" 20' " 25' 0" 22' 7" 9' 0" 23' 8" 20' " 7' 8" 2' 7" e 9' 9" 6' 8" 20' 0" e 8' 9" e 5' 0" 8' 8" e 7' " e 5' " e 600S ' " 3' 0" 27' 0" 24' 0" 2' 8" 8' 4" 2' 7" e 9' 9" 6' 8" 9' 4" e 8' 4" e 5' 5" 7' 8" e 7' 3" e 4' 6" e 6' 4" e 6' 4" e 3' 0" e 5' 3" e 5' 3" e 3' 2" e 600S ' 0" 39' 7" 34' 7" 30' " 27' 0" 22' 9" 28' " 24' 6" 20' 8" 26' " 22' 9" 9' 2" 24' 6" 2' 5" 8' " 23' 3" 20' 4" 7' 2" 22' 3" 9' 6" 6' 5" 600S ' 3" 35' " 3' 5" 28' " 24' 6" 20' 8" 25' 6" 22' 3" 8' 9" 23' 8" 20' 8" 7' 5" 22' 3" 9' 6" 6' 5" 2' 2" 8' 6" 5' 7" 20' 3" 7' 8" 4' " 600S ' 7" 3' 5" 27' 5" 24' 6" 2' 5" 8' " 22' 3" 9' 6" 6' 5" 20' 8" 8' " 5' 3" 9' 6" 7' 0" 4' 4" 8' 6" e 6' 2" 3' 7" 7' 5" e 5' 5" e 3' 0" 600S ' 8" 43' 5" 37' " 33' " 29' 7" 25' 0" 30' 0" 26' " 22' 8" 28' 7" 25' 0" 2' " 26' " 23' 6" 9' 0" 25' 7" 22' 4" 8' 0" 24' 5" 2' 4" 8' 0" 600S ' 8" 39' 5" 34' 5" 30' 0" 26' " 22' 8" 28' 0" 24' 5" 20' 7" 26' 0" 22' 8" 9' 2" 24' 5" 2' 4" 8' 0" 23' 2" 20' 3" 7' " 2' 8" 9' 5" 6' 4" 600S ' 5" 34' 5" 30' " 26' " 23' 6" 9' 0" 24' 5" 2' 4" 8' 0" 22' 5" 9' 0" 6' 9" 20' 5" e 8' 8" 5' 9" 8' " e 7' 9" e 4' " 7' 9" e 6' " e 4' 4" 600S ' 6" 43' 3" 37' 9" 33' 9" 29' 6" 24' " 30' 8" 26' 0" 22' 7" 28' 6" 24' " 2' 0" 26' 0" 23' 5" 9' 9" 25' 6" 22' 3" 8' 9" 24' 4" 2' 3" 7' " 600S ' 6" 39' 3" 34' 4" 30' 8" 26' 0" 22' 7" 27' 0" 24' 4" 20' 6" 25' " 22' 7" 9' " 24' 4" 2' 3" 7' " 23' 2" 20' 2" 7' " 22' " 9' 4" 6' 4" 600S ' 3" 34' 4" 30' 0" 26' 0" 23' 5" 9' 9" 24' 4" 2' 3" 7' " 22' 7" 9' 9" 6' 8" 2' 3" 8' 7" 5' 8" 20' 2" 7' 8" 4' " 9' 4" 6' " 4' 3" 600S ' " 48' 4" 42' 3" 37' 9" 33' 0" 27' 0" 34' 4" 30' 0" 25' 3" 3' 0" 27' 0" 23' 6" 30' 0" 26' 2" 22' " 28' 6" 24' " 2' 0" 27' 3" 23' 0" 20' " 600S ' 4" 43' " 38' 5" 34' 4" 30' 0" 25' 3" 3' 2" 27' 3" 23' 0" 28' " 25' 3" 2' 4" 27' 3" 23' 0" 20' " 25' 0" 22' 7" 9' " 24' 9" 2' 7" 8' 3" 600S ' 4" 38' 5" 33' 6" 30' 0" 26' 2" 22' " 27' 3" 23' 0" 20' " 25' 3" 22' " 8' 8" 23' 0" 20' 9" 7' 6" 22' 7" 9' 9" 6' 8" 2' 7" 8' " 5' " 600S ' " 48' 4" 42' 3" 37' 9" 33' 0" 27' 0" 34' 4" 30' 0" 25' 3" 3' 0" 27' 0" 23' 6" 30' 0" 26' 2" 22' " 28' 6" 24' " 2' 0" 27' 3" 23' 0" 20' " 600S ' 4" 43' " 38' 5" 34' 4" 30' 0" 25' 3" 3' 2" 27' 3" 23' 0" 28' " 25' 3" 2' 4" 27' 3" 23' 0" 20' " 25' 0" 22' 7" 9' " 24' 9" 2' 7" 8' 3" 600S ' 4" 38' 5" 33' 6" 30' 0" 26' 2" 22' " 27' 3" 23' 0" 20' " 25' 3" 22' " 8' 8" 23' 0" 20' 9" 7' 6" 22' 7" 9' 9" 6' 8" 2' 7" 8' " 5' " 600S ' 8" 5' 4" 44' 0" 40' " 35' 0" 29' 6" 36' 5" 3' 0" 26' 0" 33' 0" 29' 6" 24' " 3' 0" 27' 9" 23' 5" 30' 3" 26' 5" 22' 3" 28' " 25' 3" 2' 3" 600S ' 9" 46' 7" 40' 9" 36' 5" 3' 0" 26' 0" 33' " 28' " 24' 4" 30' 8" 26' 0" 22' 8" 28' " 25' 3" 2' 3" 27' 5" 24' 0" 20' 3" 26' 3" 22' " 9' 4" 600S ' 4" 40' 9" 35' 7" 3' 0" 27' 9" 23' 5" 28' " 25' 3" 2' 3" 26' 0" 23' 5" 9' 9" 25' 3" 22' " 8' 7" 24' 0" 20' " 7' 8" 22' " 20' 0" 6' " 600S ' 8" 5' 4" 44' 0" 40' " 35' 0" 29' 6" 36' 5" 3' 0" 26' 0" 33' 0" 29' 6" 24' " 3' 0" 27' 9" 23' 5" 30' 3" 26' 5" 22' 3" 28' " 25' 3" 2' 3" 600S ' 9" 46' 7" 40' 9" 36' 5" 3' 0" 26' 0" 33' " 28' " 24' 4" 30' 8" 26' 0" 22' 8" 28' " 25' 3" 2' 3" 27' 5" 24' 0" 20' 3" 26' 3" 22' " 9' 4" 600S ' 4" 40' 9" 35' 7" 3' 0" 27' 9" 23' 5" 28' " 25' 3" 2' 3" 26' 0" 23' 5" 9' 9" 25' 3" 22' " 8' 7" 24' 0" 20' " 7' 8" 22' " 20' 0" 6' " 800S ' 0" 34' 0" 29' 8" 2' 0" e 2' 0" e 9' 7" e 8' " e 8' " e 7' 9" e 6' " e 6' " e 6' 6" e 5' 5" e 5' 5" e 5' 5" e 4' 3" e 4' 3" e 4' 3" e 3' 4" e 3' 4" e 3' 4" e 800S ' 9" 30' " 27' 0" 8' " e 8' " e 7' 9" e 6' 4" e 6' 4" e 6' 2" e 4' 8" e 4' 8" e 4' 8" e 3' 4" e 3' 4" e 3' 4" e 2' 4" e 2' 4" e 2' 4" e ' 7" e ' 7" e ' 7" e 800S ' 9" 26' 9" 23' 7" 5' 5" e 5' 5" e 5' 5" e 3' 4" e 3' 4" e 3' 4" e ' " e ' " e ' " e 0' " e 0' " e 0' " e 0' " e 0' " e 0' " e 9' 5" e 9' 5" e 9' 5" e 800S ' " 37' 5" 32' 8" 26' 6" 25' 6" 2' 6" 22' " 22' " 9' 7" 20' 6" e 20' 6" e 8' 2" 8' 9" e 8' 9" e 7' " e 7' 4" e 7' 4" e 6' 3" e 6' 3" e 6' 3" e 5' 6" e 800S ' 9" 34' 0" 29' 9" 22' " 22' " 9' 7" 9' 0" e 9' 0" e 7' 9" 7' 9" e 7' 9" e 6' 6" e 6' 3" e 6' 3" e 5' 6" e 5' 0" e 5' 0" e 4' 9" e 4' " e 4' " e 4' " e 800S ' 5" 29' 9" 25' " 8' 9" e 8' 9" e 7' " e 6' 3" e 6' 3" e 5' 6" e 4' 6" e 4' 6" e 4' 5" e 3' 3" e 3' 3" e 3' 3" e 2' 3" e 2' 3" e 2' 3" e ' 6" e ' 6" e ' 6" e See Curtain Wall Limiting Heights Table Notes on page 23. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 3

34 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' " 40' 6" 35' 5" 3' " 27' 8" 23' 4" 26' " 25' " 2' 2" 24' " 23' 4" 9' 8" 22' 0" 2' " 8' 6" 20' 4" 20' 4" 7' 7" 9' 0" e 9' 0" e 6' 0" 800S ' 5" 36' 0" 32' 2" 26' " 25' " 2' 2" 23' 4" 22' 0" 9' 3" 20' 0" 20' 0" 7' 0" 9' 0" e 9' 0" e 6' 0" 7' 8" e 7' 8" e 6' 0" 6' 6" e 6' 6" e 5' 3" e 800S ' " 32' 2" 28' " 22' 0" 2' " 8' 6" 9' 0" e 9' 0" e 6' 0" 7' 0" e 7' 0" e 5' 7" e 5' 7" e 5' 7" e 4' 8" e 4' 5" e 4' 5" e 3' " e 3' 6" e 3' 6" e 3' 4" e 800S ' 9" 40' 3" 35' 2" 3' 5" 27' 6" 23' 2" 28' 7" 24' " 2' " 26' 6" 23' 2" 9' 6" 24' " 2' 0" 8' 5" 23' 4" 20' 8" 7' 6" 2' 9" 9' 0" 6' 8" 800S ' " 36' 7" 3' " 28' 7" 24' " 2' " 25' " 22' 8" 9' " 23' 0" 2' " 7' 9" 2' 9" 9' 0" 6' 8" 20' 2" 8' 0" 5' 0" 8' 0" 8' 0" 5' 2" 800S ' 3" 3' " 27' " 24' " 2' 0" 8' 5" 2' 9" 9' 0" 6' 8" 9' 6" 8' 5" 5' 6" 7' 9" 7' 4" 4' 7" 6' 6" e 6' 5" e 3' 0" 5' 5" e 5' 5" e 3' 3" 800S ' " 43' 7" 38' " 34' 0" 29' 9" 25' " 30' " 27' 0" 22' 9" 28' 2" 25' " 2' 2" 25' 9" 23' 7" 9' " 23' 0" 22' 5" 8' " 22' 3" 2' 5" 8' " 800S ' 0" 39' 7" 34' 7" 30' " 27' 0" 22' 9" 27' 3" 24' 6" 20' 8" 24' 5" 22' 9" 9' 2" 22' 3" 2' 5" 8' " 20' 7" 20' 4" 7' 2" 9' 3" 9' 3" 6' 5" 800S ' 7" 34' 7" 30' 2" 25' 9" 23' 7" 9' " 22' 3" 2' 5" 8' " 9' " 9' " 6' 9" 8' 2" 8' 2" 5' 9" 6' 0" e 6' 0" e 5' 0" 5' 9" e 5' 9" e 4' 4" 800S ' 0" 43' 6" 38' 0" 34' 0" 29' 8" 25' 0" 30' " 27' 0" 22' 9" 28' 8" 25' 0" 2' " 27' 0" 23' 7" 9' 0" 25' 7" 22' 5" 8' " 24' 6" 2' 5" 8' " 800S ' 0" 39' 6" 34' 6" 30' " 27' 0" 22' 9" 28' " 24' 6" 20' 8" 26' 0" 22' 9" 9' 2" 24' 6" 2' 5" 8' " 23' 3" 20' 4" 7' 2" 22' 3" 9' 5" 6' 5" 800S ' 6" 34' 6" 30' 2" 27' 0" 23' 7" 9' 0" 24' 6" 2' 5" 8' " 22' 9" 9' 0" 6' 9" 2' 0" 8' 8" 5' 9" 9' 5" 7' 9" 5' 0" 8' 2" 7' 0" 4' 4" 800S ' 0" 48' 4" 42' 2" 37' 9" 32' " 27' 0" 34' 3" 29' " 25' 3" 3' 0" 27' 0" 23' 5" 29' " 26' 2" 22' " 28' 5" 24' 0" 20' " 26' 7" 23' 9" 20' " 800S ' 4" 43' " 38' 4" 34' 3" 29' " 25' 3" 3' 2" 27' 2" 22' " 28' " 25' 3" 2' 4" 26' 7" 23' 9" 20' " 24' 8" 22' 7" 9' 0" 23' " 2' 7" 8' 3" 800S ' 4" 38' 4" 33' 6" 29' " 26' 2" 22' " 26' 7" 23' 9" 20' " 23' 0" 22' " 8' 7" 2' 9" 20' 9" 7' 6" 20' " 9' 9" 6' 8" 8' 0" 8' 0" 5' " 800S ' 0" 48' 4" 42' 2" 37' 9" 32' " 27' 0" 34' 3" 29' " 25' 3" 3' 0" 27' 0" 23' 5" 29' " 26' 2" 22' " 28' 5" 24' 0" 20' " 27' 2" 23' 9" 20' " 800S ' 4" 43' " 38' 4" 34' 3" 29' " 25' 3" 3' 2" 27' 2" 22' " 28' " 25' 3" 2' 4" 27' 2" 23' 9" 20' " 25' 0" 22' 7" 9' 0" 24' 9" 2' 7" 8' 3" 800S ' 4" 38' 4" 33' 6" 29' " 26' 2" 22' " 27' 2" 23' 9" 20' " 25' 3" 22' " 8' 7" 23' 9" 20' 9" 7' 6" 22' 7" 9' 9" 6' 8" 2' 7" 8' 0" 5' " 800S ' 0" 35' 5" 30' " 23' 8" e 23' 8" e 20' 4" e 20' 6" e 20' 6" e 8' 6" e 8' 4" e 8' 4" e 7' 2" e 6' 9" e 6' 9" e 6' 2" e 5' 6" e 5' 6" e 5' 4" e 4' 6" e 4' 6" e 4' 6" e 800S ' 6" 32' 2" 28' " 20' 6" e 20' 6" e 8' 6" e 7' 9" e 7' 9" e 6' 0" e 5' " e 5' " e 5' 7" e 4' 6" e 4' 6" e 4' 6" e 3' 5" e 3' 5" e 3' 5" e 2' 7" e 2' 7" e 2' 7" e 800S ' 0" e 28' " 24' 7" 6' 9" e 6' 9" e 6' 2" e 4' 6" e 4' 6" e 4' 6" e 3' 0" e 3' 0" e 3' 0" e ' 0" e ' 0" e ' 0" e ' 0" e ' 0" e ' 0" e 0' 3" e 0' 3" e 0' 3" e 800S ' " 38' " 34' 0" 28' 7" 26' 7" 22' 5" 24' 9" e 24' 2" 20' 4" 22' " e 22' " e 8' " 20' 2" e 20' 2" e 7' 9" e 8' 8" e 8' 8" e 6' " e 7' 6" e 7' 6" e 6' 2" e 800S ' 0" 35' 4" 30' " 24' 9" e 24' 2" 20' 4" 2' 5" e 2' 5" e 8' 6" 9' 2" e 9' 2" e 7' 2" e 7' 6" e 7' 6" e 6' 2" e 6' 2" e 6' 2" e 5' 4" e 5' 2" e 5' 2" e 4' 8" e 800S ' 0" 30' " 27' 0" 20' 2" e 20' 2" e 7' 9" e 7' 6" e 7' 6" e 6' 2" e 5' 8" e 5' 8" e 5' 0" e 4' 3" e 4' 3" e 4' " e 3' 3" e 3' 3" e 3' 3" e 2' 4" e 2' 4" e 2' 4" e 800S ' " 42' 2" 36' 0" 32' " 28' 9" 24' 3" 28' 0" 26' " 22' 0" 25' 0" 24' 3" 20' 5" 23' 7" 22' 0" 9' 3" 2' 0" e 2' 8" 8' 3" 20' 5" e 20' 5" e 7' 6" 800S ' 3" 38' 3" 33' 5" 28' 0" 26' " 22' 0" 25' 0" 23' 9" 20' 0" 22' 4" 22' 0" 8' 7" 20' 5" e 20' 5" e 7' 6" 8' " e 8' " e 6' 7" e 7' 8" e 7' 8" e 5' " e 800S ' 0" 33' 5" 29' 3" 23' 7" 22' 0" 9' 3" 20' 5" e 20' 5" e 7' 6" 8' 3" e 8' 3" e 6' 3" e 6' 8" e 6' 8" e 5' 3" e 5' 5" e 5' 5" e 4' 6" e 4' 5" e 4' 5" e 3' 0" e 800S ' 9" 4' 0" 36' 7" 32' 8" 28' 7" 24' " 29' 9" 25' " 2' " 27' 7" 24' " 20' 4" 25' " 22' 8" 9' " 24' 8" 2' 6" 8' 2" 23' 5" 20' 7" 7' 4" 800S ' " 38' " 33' 3" 29' 9" 25' " 2' " 27' 0" 23' 7" 9' " 25' " 2' " 8' 6" 23' 5" 20' 7" 7' 4" 2' 8" 9' 7" 6' 6" 20' 3" 8' 9" 5' 9" 800S ' 0" 33' 3" 29' 0" 25' " 22' 8" 9' " 23' 5" 20' 7" 7' 4" 20' " 9' " 6' 2" 9' " 8' 0" 5' 2" 7' 8" e 7' " e 4' 5" 6' 6" e 6' 4" e 3' 9" 800S ' " 45' 4" 39' 7" 35' 4" 30' " 26' " 32' 2" 28' " 23' 8" 29' 0" 26' " 22' 0" 27' 5" 24' 6" 20' 8" 25' 5" 23' 4" 9' 8" 23' 9" 22' 3" 8' 0" 800S ' 0" 4' 2" 35' " 32' 2" 28' " 23' 8" 29' " 25' 6" 2' 6" 26' 0" 23' 8" 20' 0" 23' 9" 22' 3" 8' 0" 22' 0" 2' 2" 7' 0" 20' 7" 20' 3" 7' " 800S ' 4" 35' " 3' 5" 27' 5" 24' 6" 20' 8" 23' 9" 22' 3" 8' 0" 2' 3" 20' 8" 7' 5" 9' 5" 9' 5" 6' 5" 7' " e 7' " e 5' 7" 6' 0" e 6' 0" e 4' " e 800S ' 0" 45' 3" 39' 6" 35' 4" 30' 0" 26' 0" 32' " 28' " 23' 8" 29' 0" 26' 0" 22' 0" 28' " 24' 6" 20' 8" 26' 8" 23' 3" 9' 8" 25' 6" 22' 3" 8' 9" 800S ' 0" 4' " 35' " 32' " 28' " 23' 8" 29' 2" 25' 6" 2' 6" 27' " 23' 8" 9' " 25' 6" 22' 3" 8' 9" 24' 3" 2' 2" 7' 0" 23' 2" 20' 3" 7' " 800S ' 3" 35' " 3' 5" 28' " 24' 6" 20' 8" 25' 6" 22' 3" 8' 9" 23' 8" 20' 8" 7' 5" 22' 3" 9' 5" 6' 5" 20' 9" 8' 6" 5' 7" 9' 5" 7' 8" 4' " 800S ' 5" 50' 4" 43' " 39' 3" 34' 4" 28' " 35' 8" 3' 2" 26' 4" 33' 2" 28' " 24' 5" 3' 2" 27' 3" 23' 0" 29' 7" 25' " 2' 0" 28' 3" 24' 9" 20' " 800S ' 7" 45' 9" 39' " 35' 8" 3' 2" 26' 4" 32' 5" 28' 4" 23' " 30' " 26' 4" 22' 2" 28' 3" 24' 9" 20' " 26' 2" 23' 6" 9' 0" 24' 6" 22' 6" 9' 0" 800S ' 4" 39' " 34' " 3' 2" 27' 3" 23' 0" 28' 3" 24' 9" 20' " 25' 4" 23' 0" 9' 5" 23' " 2' 7" 8' 3" 2' 5" 20' 6" 7' 4" 20' 0" 9' 8" 6' 7" 800S ' 5" 50' 4" 43' " 39' 3" 34' 4" 28' " 35' 8" 3' 2" 26' 4" 33' 2" 28' " 24' 5" 3' 2" 27' 3" 23' 0" 29' 7" 25' " 2' 0" 28' 4" 24' 9" 20' " 800S ' 7" 45' 9" 39' " 35' 8" 3' 2" 26' 4" 32' 5" 28' 4" 23' " 30' " 26' 4" 22' 2" 28' 4" 24' 9" 20' " 26' " 23' 6" 9' 0" 25' 9" 22' 6" 9' 0" 800S ' 4" 39' " 34' " 3' 2" 27' 3" 23' 0" 28' 4" 24' 9" 20' " 26' 4" 23' 0" 9' 5" 24' 9" 2' 7" 8' 3" 23' 6" 20' 6" 7' 4" 22' 6" 9' 8" 6' 7" 800S ' " 53' 3" 46' 6" 4' 7" 36' 4" 30' 8" 37' 9" 33' 0" 27' 0" 35' " 30' 8" 25' 0" 33' 0" 28' 0" 24' 4" 3' 4" 27' 5" 23' " 30' 0" 26' 2" 22' " 800S ' " 48' 4" 42' 3" 37' 9" 33' 0" 27' 0" 34' 4" 30' 0" 25' 3" 3' 0" 27' 0" 23' 6" 30' 0" 26' 2" 22' " 28' 6" 24' " 2' 0" 26' 8" 23' 0" 20' " 800S ' 3" 42' 3" 36' " 33' 0" 28' 0" 24' 4" 30' 0" 26' 2" 22' " 27' 6" 24' 4" 20' 6" 25' 2" 22' " 9' 4" 23' 3" 2' 9" 8' 4" 2' 9" 20' 9" 7' 6" 800S ' " 53' 3" 46' 6" 4' 7" 36' 4" 30' 8" 37' 9" 33' 0" 27' 0" 35' " 30' 8" 25' 0" 33' 0" 28' 0" 24' 4" 3' 4" 27' 5" 23' " 30' 0" 26' 2" 22' " 800S ' " 48' 4" 42' 3" 37' 9" 33' 0" 27' 0" 34' 4" 30' 0" 25' 3" 3' 0" 27' 0" 23' 6" 30' 0" 26' 2" 22' " 28' 6" 24' " 2' 0" 27' 3" 23' 0" 20' " 800S ' 3" 42' 3" 36' " 33' 0" 28' 0" 24' 4" 30' 0" 26' 2" 22' " 27' 0" 24' 4" 20' 6" 26' 2" 22' " 9' 4" 24' " 2' 9" 8' 4" 23' 0" 20' 9" 7' 6" 800S ' 0" 37' 9" 33' 0" 25' 5" e 25' 5" e 2' 8" e 22' 0" e 22' 0" e 9' 9" e 9' 8" e 9' 8" e 8' 4" e 8' 0" e 8' 0" e 7' 3" e 6' 8" e 6' 8" e 6' 4" e 5' 7" e 5' 7" e 5' 7" e 800S ' " 34' 3" 29' " 22' 0" e 22' 0" e 9' 9" e 9' " e 9' " e 7' " e 7' " e 7' " e 6' 8" e 5' 7" e 5' 7" e 5' 7" e 4' 5" e 4' 5" e 4' 5" e 3' 6" e 3' 6" e 3' 6" e 800S ' " e 29' " e 26' 2" 8' 0" e 8' 0" e 7' 3" e 5' 7" e 5' 7" e 5' 7" e 3' " e 3' " e 3' " e 2' 8" e 2' 8" e 2' 8" e ' 9" e ' 9" e ' 9" e ' 0" e ' 0" e ' 0" e 800S ' 0" 4' " 35' " 30' 7" 28' " 23' 8" 26' 5" e 25' 6" e 2' 6" 23' 8" e 23' 8" e 9' " e 2' 7" e 2' 7" e 8' 9" e 20' 0" e 20' 0" e 7' 0" e 8' 8" e 8' 8" e 7' " e 800S ' 0" 37' 4" 32' 8" 26' 5" e 25' 6" e 2' 6" 22' " e 22' " e 9' 6" e 20' 6" e 20' 6" e 8' 2" e 8' 8" e 8' 8" e 7' " e 7' 4" e 7' 4" e 6' 2" e 6' 2" e 6' 2" e 5' 6" e 800S ' 5" 32' 8" 28' 6" 2' 7" e 2' 7" e 8' 9" e 8' 8" e 8' 8" e 7' " e 6' 9" e 6' 9" e 5' 0" e 5' 3" e 5' 3" e 4' " e 4' 2" e 4' 2" e 4' 2" e 3' 3" e 3' 3" e 3' 3" e 800S ' 8" 44' 2" 38' 7" 34' 6" 30' 2" 25' 5" 30' 0" 27' 5" 23' " 27' 7" 25' 5" 2' 5" 25' 2" 23' " 20' 2" 23' 4" e 22' 9" e 9' 2" 2' 9" e 2' 9" e 8' 4" 800S ' 7" 40' 2" 35' " 30' 0" 27' 5" 23' " 26' 8" 24' 0" 2' 0" 23' 0" e 23' " e 9' 6" 2' 9" e 2' 9" e 8' 4" 20' 2" e 20' 2" e 7' 5" e 8' 0" e 8' 0" e 6' 8" e 800S ' 7" 35' " 30' 8" 25' 2" 23' " 20' 2" 2' 9" e 2' 9" e 8' 4" 9' 6" e 9' 6" e 7' 0" e 7' 9" e 7' 9" e 6' 0" e 6' 6" e 6' 6" e 5' 2" e 5' 5" e 5' 5" e 4' 7" e 800S ' 8" 44' 2" 38' 7" 34' 6" 30' 2" 25' 5" 3' 4" 27' 5" 23' " 29' " 25' 5" 2' 5" 27' 5" 23' " 20' 2" 26' 0" 22' 9" 9' 2" 24' 0" 2' 9" 8' 4" 800S ' 7" 40' 2" 35' " 3' 4" 27' 5" 23' " 28' 6" 24' 0" 2' 0" 26' 5" 23' " 9' 6" 24' 0" 2' 9" 8' 4" 23' " 20' 8" 7' 5" 2' 7" e 9' 9" 6' 8" 800S ' 2" 35' " 30' 8" 27' 5" 23' " 20' 2" 24' 0" 2' 9" 8' 4" 22' 4" 20' 2" 7' 0" 20' 5" e 9' 0" 6' 0" 8' 0" e 8' 0" e 5' 2" 7' 8" e 7' 3" e 4' 7" e 800S ' 9" 47' 5" 4' 5" 37' " 32' 4" 27' 4" 33' 8" 29' 5" 24' 0" 3' 3" 27' 4" 23' 0" 29' 3" 25' 8" 2' 8" 27' " 24' 5" 20' 7" 25' 4" 23' 4" 9' 8" 800S ' 4" 43' " 37' 8" 33' 8" 29' 5" 24' 0" 30' 7" 26' 9" 22' 6" 27' 9" 24' 0" 20' " 25' 4" 23' 4" 9' 8" 23' 5" 22' 2" 8' 8" 2' " e 2' 2" 7' " 800S ' 5" 37' 8" 32' " 29' 3" 25' 8" 2' 8" 25' 4" 23' 4" 9' 8" 22' 8" 2' 8" 8' 3" 20' 8" e 20' 5" e 7' 2" 9' 2" e 9' 2" e 6' 4" 7' " e 7' " e 5' 7" e 800S ' 9" 47' 5" 4' 5" 37' " 32' 4" 27' 4" 33' 8" 29' 5" 24' 0" 3' 3" 27' 4" 23' 0" 29' 5" 25' 8" 2' 8" 27' " 24' 5" 20' 7" 26' 9" 23' 4" 9' 8" 800S ' 4" 43' " 37' 8" 33' 8" 29' 5" 24' 0" 30' 7" 26' 9" 22' 6" 28' 5" 24' 0" 20' " 26' 9" 23' 4" 9' 8" 25' 4" 22' 2" 8' 8" 24' 3" 2' 2" 7' " 800S ' 5" 37' 8" 32' " 29' 5" 25' 8" 2' 8" 26' 9" 23' 4" 9' 8" 24' 0" 2' 8" 8' 3" 23' 4" 20' 5" 7' 2" 22' " 9' 4" 6' 4" 20' 8" 8' 6" 5' 7" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

35 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 6" 52' 9" 46' " 4' 2" 36' 0" 30' 4" 37' 5" 32' 8" 27' 7" 34' 9" 30' 4" 25' 7" 32' 8" 28' 7" 24' " 3' " 27' 2" 22' " 29' 9" 25' " 2' " 800S ' 5" 47' " 4' " 37' 5" 32' 8" 27' 7" 34' 0" 29' 9" 25' " 3' 7" 27' 7" 23' 3" 29' 9" 25' " 2' " 28' " 24' 8" 20' 0" 26' 4" 23' 7" 9' " 800S ' 9" 4' " 36' 7" 32' 8" 28' 7" 24' " 29' 9" 25' " 2' " 27' 2" 24' " 20' 4" 24' 0" 22' 8" 9' " 23' 0" 2' 6" 8' 2" 2' 6" 20' 7" 7' 5" 800S ' 6" 52' 9" 46' " 4' 2" 36' 0" 30' 4" 37' 5" 32' 8" 27' 7" 34' 9" 30' 4" 25' 7" 32' 8" 28' 7" 24' " 3' " 27' 2" 22' " 29' 9" 25' " 2' " 800S ' 5" 47' " 4' " 37' 5" 32' 8" 27' 7" 34' 0" 29' 9" 25' " 3' 7" 27' 7" 23' 3" 29' 9" 25' " 2' " 28' 3" 24' 8" 20' 0" 27' 0" 23' 7" 9' " 800S ' 9" 4' " 36' 7" 32' 8" 28' 7" 24' " 29' 9" 25' " 2' " 27' 7" 24' " 20' 4" 25' " 22' 8" 9' " 24' 8" 2' 6" 8' 2" 23' 7" 20' 7" 7' 5" 800S ' 5" 55' " 48' 0" 43' 8" 38' 2" 32' 2" 39' 8" 34' 8" 29' 3" 36' 0" 32' 2" 27' " 34' 8" 30' 3" 25' 6" 32' " 28' 9" 24' 3" 3' 6" 27' 6" 23' 2" 800S ' 0" 50' 9" 44' 4" 39' 8" 34' 8" 29' 3" 36' 0" 3' 6" 26' 7" 33' 5" 29' 3" 24' 8" 3' 6" 27' 6" 23' 2" 29' " 26' " 22' 0" 28' 7" 25' 0" 2' " 800S ' " 44' 4" 38' 9" 34' 8" 30' 3" 25' 6" 3' 6" 27' 6" 23' 2" 29' 3" 25' 6" 2' 6" 27' 0" 24' 0" 20' 3" 25' 0" 22' 0" 9' 3" 23' 5" 2' 0" 8' 5" 800S ' 5" 55' " 48' 0" 43' 8" 38' 2" 32' 2" 39' 8" 34' 8" 29' 3" 36' 0" 32' 2" 27' " 34' 8" 30' 3" 25' 6" 32' " 28' 9" 24' 3" 3' 6" 27' 6" 23' 2" 800S ' 0" 50' 9" 44' 4" 39' 8" 34' 8" 29' 3" 36' 0" 3' 6" 26' 7" 33' 5" 29' 3" 24' 8" 3' 6" 27' 6" 23' 2" 29' " 26' " 22' 0" 28' 7" 25' 0" 2' " 800S ' " 44' 4" 38' 9" 34' 8" 30' 3" 25' 6" 3' 6" 27' 6" 23' 2" 29' 3" 25' 6" 2' 6" 27' 6" 24' 0" 20' 3" 26' " 22' 0" 9' 3" 25' 0" 2' 0" 8' 5" 800S ' 0" 42' " 37' 6" 3' 4" 29' 3" 24' 8" 27' " e 26' 7" e 22' 5" 24' 3" e 24' 3" e 20' 0" e 22' 2" e 22' 2" e 9' 7" e 20' 6" e 20' 6" e 8' 7" e 9' 2" e 9' 2" e 7' 0" e 800S ' 0" 39' 0" 34' 0" 27' " e 26' 7" e 22' 5" 23' 6" e 23' 6" e 20' 4" e 2' 0" e 2' 0" e 8' " e 9' 2" e 9' 2" e 7' 0" e 7' 9" e 7' 9" e 6' " e 6' 7" e 6' 7" e 6' 2" e 800S ' 4" 34' 0" 29' 9" 22' 2" e 22' 2" e 9' 7" e 9' 2" e 9' 2" e 7' 0" e 7' 2" e 7' 2" e 6' 6" e 5' 8" e 5' 8" e 5' 7" e 4' 6" e 4' 6" e 4' 6" e 3' 7" e 3' 7" e 3' 7" e 800S ' " 46' " 40' 3" 36' 0" 3' 5" 26' 6" 3' 8" 28' 7" 24' " 28' 4" 26' 6" 22' 4" 25' 0" e 24' " 2' " 23' " e 23' 8" e 20' 0" 22' 5" e 22' 5" e 9' " e 800S ' 9" 4' 0" 36' 7" 3' 8" 28' 7" 24' " 27' 5" 25' " 2' " 24' 6" e 24' " e 20' 4" 22' 5" e 22' 5" e 9' " e 20' 9" e 20' 9" e 8' 2" e 9' 5" e 9' 5" e 7' 4" e 800S ' 9" 36' 7" 3' " 25' 0" e 24' " 2' " 22' 5" e 22' 5" e 9' " e 20' 0" e 20' 0" e 7' 9" e 8' 3" e 8' 3" e 6' 8" e 6' " e 6' " e 5' 0" e 5' 0" e 5' 0" e 5' 2" e 800S ' 0" 45' " 40' " 35' 0" 3' 4" 26' 5" 32' 7" 28' 5" 24' 0" 30' 3" 26' 5" 22' 3" 28' 5" 24' 0" 2' 0" 27' 0" 23' 7" 9' " 25' 7" 22' 7" 9' " 800S ' 7" 4' 8" 36' 5" 32' 7" 28' 5" 24' 0" 29' 7" 25' 0" 2' 0" 27' 6" 24' 0" 20' 3" 25' 7" 22' 7" 9' " 23' 8" 2' 5" 8' " 22' " e 20' 6" 7' 4" 800S ' " 36' 5" 3' 0" 28' 5" 24' 0" 2' 0" 25' 7" 22' 7" 9' " 22' 0" 2' 0" 7' 8" 20' 0" e 9' 9" e 6' 8" 9' 4" e 8' 9" e 5' 0" 8' " e 7' " e 5' " e 800S ' 5" 49' 6" 43' 3" 38' 8" 33' 9" 28' 6" 35' 2" 30' 8" 25' " 32' 7" 28' 6" 24' 0" 30' 2" 26' 0" 22' 7" 27' " 25' 6" 2' 6" 26' " 24' 4" 20' 7" 800S ' 8" 45' 0" 39' 4" 35' 2" 30' 8" 25' " 3' " 27' " 23' 6" 28' 7" 25' " 2' 0" 26' " 24' 4" 20' 7" 24' 2" 23' 2" 9' 6" 22' 7" e 22' 2" e 8' 8" 800S ' 6" 39' 4" 34' 4" 30' 2" 26' 0" 22' 7" 26' " 24' 4" 20' 7" 23' 4" e 22' 7" 9' " 2' 4" e 2' 3" e 7' " 9' 9" e 9' 9" e 7' " e 8' 5" e 8' 5" e 6' 4" e 800S ' 4" 49' 6" 43' 3" 38' 8" 33' 9" 28' 6" 35' " 30' 8" 25' 0" 32' 7" 28' 6" 24' 0" 30' 8" 26' 0" 22' 7" 29' 2" 25' 5" 2' 6" 27' 0" 24' 4" 20' 6" 800S ' 8" 44' " 39' 3" 35' " 30' 8" 25' 0" 3' " 27' 0" 23' 6" 29' 7" 25' 0" 2' 0" 27' 0" 24' 4" 20' 6" 26' 6" 23' " 9' 6" 25' 4" 22' " 8' 8" 800S ' 6" 39' 3" 34' 4" 30' 8" 26' 0" 22' 7" 27' 0" 24' 4" 20' 6" 25' 0" 22' 7" 9' " 24' 4" 2' 3" 7' " 22' 8" 20' 2" 7' 0" 2' 2" 9' 4" 6' 4" 800S ' 6" 55' 2" 48' 2" 43' " 37' 7" 3' 9" 39' 2" 34' 2" 28' 0" 36' 4" 3' 9" 26' 9" 34' 2" 29' 0" 25' 2" 32' 6" 28' 4" 23' " 3' " 27' 2" 22' " 800S ' 2" 50' " 43' 9" 39' 2" 34' 2" 28' 0" 35' 7" 3' " 26' 2" 33' 0" 28' 0" 24' 4" 3' " 27' 2" 22' " 29' 6" 25' 9" 2' 9" 28' " 24' 8" 20' 9" 800S ' 2" 43' 9" 38' 3" 34' 2" 29' 0" 25' 2" 3' " 27' 2" 22' " 28' 0" 25' 2" 2' 3" 26' 6" 23' 8" 20' 0" 24' 6" 22' 6" 9' 0" 22' " 2' 6" 8' 2" 800S ' 6" 55' 2" 48' 2" 43' " 37' 7" 3' 9" 39' 2" 34' 2" 28' 0" 36' 4" 3' 9" 26' 9" 34' 2" 29' 0" 25' 2" 32' 6" 28' 4" 23' " 3' " 27' 2" 22' " 800S ' 2" 50' " 43' 9" 39' 2" 34' 2" 28' 0" 35' 7" 3' " 26' 2" 33' 0" 28' 0" 24' 4" 3' " 27' 2" 22' " 29' 6" 25' 9" 2' 9" 28' 3" 24' 8" 20' 9" 800S ' 2" 43' 9" 38' 3" 34' 2" 29' 0" 25' 2" 3' " 27' 2" 22' " 28' 0" 25' 2" 2' 3" 27' 2" 23' 8" 20' 0" 25' 9" 22' 6" 9' 0" 24' 8" 2' 6" 8' 2" 800S ' 8" 58' 6" 5' " 45' 8" 39' " 33' 8" 4' 6" 36' 3" 30' 7" 38' 6" 33' 8" 28' 4" 36' 3" 3' 8" 26' 8" 34' 5" 30' " 25' 4" 32' " 28' 9" 24' 3" 800S ' " 53' " 46' 5" 4' 6" 36' 3" 30' 7" 37' 8" 32' " 27' 9" 35' 0" 30' 7" 25' 9" 32' " 28' 9" 24' 3" 3' 3" 27' 4" 23' " 29' " 26' 2" 22' 0" 800S ' 6" 46' 5" 40' 6" 36' 3" 3' 8" 26' 8" 32' " 28' 9" 24' 3" 30' 7" 26' 8" 22' 6" 28' 9" 25' 2" 2' 2" 26' 9" 23' 0" 20' 2" 25' " 22' 0" 9' 3" 800S ' 8" 58' 6" 5' " 45' 8" 39' " 33' 8" 4' 6" 36' 3" 30' 7" 38' 6" 33' 8" 28' 4" 36' 3" 3' 8" 26' 8" 34' 5" 30' " 25' 4" 32' " 28' 9" 24' 3" 800S ' " 53' " 46' 5" 4' 6" 36' 3" 30' 7" 37' 8" 32' " 27' 9" 35' 0" 30' 7" 25' 9" 32' " 28' 9" 24' 3" 3' 3" 27' 4" 23' " 29' " 26' 2" 22' 0" 800S ' 6" 46' 5" 40' 6" 36' 3" 3' 8" 26' 8" 32' " 28' 9" 24' 3" 30' 7" 26' 8" 22' 6" 28' 9" 25' 2" 2' 2" 27' 4" 23' 0" 20' 2" 26' 2" 22' 0" 9' 3" 800S ' 0" 47' 8" 4' 7" 37' 2" 32' 6" 27' 5" 32' 3" 29' 6" 24' " 28' 0" 27' 5" 23' " 26' 4" e 25' 0" e 2' 9" 24' 4" e 24' 4" e 20' 8" 22' 9" e 22' 9" e 9' 9" e 800S ' 6" 43' 3" 37' 0" 32' 3" 29' 6" 24' " 27' " 26' 0" 22' 8" 24' " e 24' " e 2' 0" 22' 9" e 22' 9" e 9' 9" e 2' " e 2' " e 8' 9" e 9' 9" e 9' 9" e 8' 0" e 800S ' 7" 37' 0" 33' 0" 26' 4" e 25' 0" e 2' 9" 22' 9" e 22' 9" e 9' 9" e 20' 5" e 20' 5" e 8' 4" e 8' 7" e 8' 7" e 7' 3" e 7' 3" e 7' 3" e 6' 5" e 6' " e 6' " e 5' 8" e 800S ' " 46' " 4' 0" 36' 7" 32' 0" 27' 0" 33' 3" 29' " 24' 6" 30' " 27' 0" 22' 9" 29' " 25' 5" 2' 5" 27' 7" 24' " 20' 4" 25' " 23' " 9' 5" 800S ' 8" 42' 7" 37' 3" 33' 3" 29' " 24' 6" 30' 3" 26' 5" 22' 3" 28' " 24' 6" 20' 8" 25' " 23' " 9' 5" 24' 0" 2' " 8' 6" 22' 5" e 20' " 7' 8" 800S ' " 37' 3" 32' 6" 29' " 25' 5" 2' 5" 25' " 23' " 9' 5" 23' 2" e 2' 5" 8' " 2' 2" e 20' 2" e 7' 0" 9' 7" e 9' 2" e 6' 2" 8' 4" e 8' 4" e 5' 5" e 800S ' 9" 5' 5" 44' " 40' 2" 35' " 29' 7" 36' 6" 3' 0" 26' 0" 33' 8" 29' 7" 24' " 30' 9" 27' 0" 23' 6" 28' 6" 26' 5" 22' 4" 26' 8" 25' 3" 2' 4" 800S ' 0" 46' 8" 40' 9" 36' 6" 3' 0" 26' 0" 32' 7" 28' " 24' 5" 29' 2" 26' 0" 22' 8" 26' 8" 25' 3" 2' 4" 24' 8" 24' 0" 20' 3" 23' " e 23' 0" e 9' 4" 800S ' 5" 40' 9" 35' 8" 30' 9" 27' 0" 23' 6" 26' 8" 25' 3" 2' 4" 23' 0" e 23' 6" e 9' 0" 2' 9" e 2' 9" e 8' 8" 20' 2" e 20' 2" e 7' 8" e 8' 0" e 8' 0" e 6' " e 800S ' 2" 50' " 44' 6" 39' 9" 34' 9" 29' 4" 36' 2" 3' 7" 26' 8" 33' 7" 29' 4" 24' 9" 3' 7" 27' 7" 23' 3" 30' 0" 26' 2" 22' " 28' 8" 25' " 2' 2" 800S ' 4" 46' 3" 40' 5" 36' 2" 3' 7" 26' 8" 32' 0" 28' 8" 24' 2" 30' 6" 26' 8" 22' 6" 28' 8" 25' " 2' 2" 27' 3" 23' 0" 20' " 26' " 22' 9" 9' 2" 800S ' " 40' 5" 35' 4" 3' 7" 27' 7" 23' 3" 28' 8" 25' " 2' 2" 26' 8" 23' 3" 9' 7" 24' 0" 2' " 8' 6" 23' 0" 20' 0" 7' 6" 2' 6" 9' " 6' 9" 800S ' 3" 57' 4" 50' " 44' 9" 39' " 33' 0" 40' 8" 35' 6" 30' 0" 37' 9" 33' 0" 27' 0" 35' 6" 3' " 26' 2" 33' 9" 29' 6" 24' 0" 32' 3" 28' 2" 23' 9" 800S ' 8" 52' " 45' 6" 40' 8" 35' 6" 30' 0" 37' 0" 32' 3" 27' 3" 34' 4" 30' 0" 25' 3" 32' 3" 28' 2" 23' 9" 30' 8" 26' 0" 22' 7" 29' " 25' 8" 2' 7" 800S ' 4" 45' 6" 39' 9" 35' 6" 3' " 26' 2" 32' 3" 28' 2" 23' 9" 30' 0" 26' 2" 22' " 27' 5" 24' 8" 20' 9" 25' 5" 23' 5" 9' 9" 23' 9" 22' 5" 8' " 800S ' " 57' " 49' 0" 44' 7" 38' " 32' 0" 40' 6" 35' 4" 29' 0" 37' 7" 32' 0" 27' 8" 35' 4" 30' " 26' " 33' 7" 29' 4" 24' 9" 32' 2" 28' " 23' 8" 800S ' 4" 5' 0" 45' 3" 40' 6" 35' 4" 29' 0" 36' 9" 32' 2" 27' " 34' 2" 29' 0" 25' 2" 32' 2" 28' " 23' 8" 30' 6" 26' 8" 22' 6" 29' 2" 25' 6" 2' 6" 800S ' " 45' 3" 39' 7" 35' 4" 30' " 26' " 32' 2" 28' " 23' 8" 29' 0" 26' " 22' 0" 28' " 24' 6" 20' 8" 26' 8" 23' 4" 9' 8" 25' 6" 22' 3" 8' 0" 800S ' 8" 60' 0" 53' 2" 47' 6" 4' 6" 35' 0" 43' 2" 37' 8" 3' 0" 40' " 35' 0" 29' 6" 37' 8" 32' " 27' 9" 35' 0" 3' 3" 26' 5" 34' 3" 29' " 25' 3" 800S ' 8" 55' 3" 48' 3" 43' 2" 37' 8" 3' 0" 39' 3" 34' 3" 28' " 36' 5" 3' 0" 26' 0" 34' 3" 29' " 25' 3" 32' 6" 28' 5" 24' 0" 3' " 27' 2" 22' " 800S ' 0" 48' 3" 42' 2" 37' 8" 32' " 27' 9" 34' 3" 29' " 25' 3" 3' 0" 27' 9" 23' 5" 29' " 26' 2" 22' " 28' 5" 24' 0" 20' " 26' 7" 23' 9" 20' 0" 800S ' 8" 60' 0" 53' 2" 47' 6" 4' 6" 35' 0" 43' 2" 37' 8" 3' 0" 40' " 35' 0" 29' 6" 37' 8" 32' " 27' 9" 35' 0" 3' 3" 26' 5" 34' 3" 29' " 25' 3" 800S ' 8" 55' 3" 48' 3" 43' 2" 37' 8" 3' 0" 39' 3" 34' 3" 28' " 36' 5" 3' 0" 26' 0" 34' 3" 29' " 25' 3" 32' 6" 28' 5" 24' 0" 3' " 27' 2" 22' " 800S ' 0" 48' 3" 42' 2" 37' 8" 32' " 27' 9" 34' 3" 29' " 25' 3" 3' 0" 27' 9" 23' 5" 29' " 26' 2" 22' " 28' 5" 24' 0" 20' " 27' 2" 23' 9" 20' 0" 800S ' 0" 49' " 43' 7" 39' 0" 34' " 28' 9" 35' 5" 30' " 26' " 3' " e 28' 9" 24' 3" 29' 2" e 27' 0" e 22' 9" 27' 0" e 25' 8" e 2' 8" 25' 3" e 24' 7" e 20' 8" e 800S ' " 45' 4" 39' 7" 35' 5" 30' " 26' " 30' " e 28' " 23' 8" 27' 8" e 26' " e 22' 0" 25' 3" e 24' 7" e 20' 8" e 23' 5" e 23' 4" e 9' 8" e 2' " e 2' " e 8' 0" e 800S ' " 39' 7" 34' 7" 29' 2" e 27' 0" e 22' 9" 25' 3" e 24' 7" e 20' 8" e 22' 7" e 22' 7" e 9' 3" e 20' 8" e 20' 8" e 8' " e 9' " e 9' " e 7' 2" e 7' 0" e 7' 0" e 6' 5" e See Curtain Wall Limiting Heights Table Notes on page 23. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 33

36 Limiting Wall Heights - Curtain Wall -span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 3" 49' 5" 43' 2" 38' 7" 33' 8" 28' 5" 35' " 30' 7" 25' 0" 32' 6" 28' 5" 24' 0" 30' 7" 26' 9" 22' 7" 29' " 25' 5" 2' 5" 27' 0" 24' 4" 20' 6" 800S ' 7" 44' " 39' 2" 35' " 30' 7" 25' 0" 3' 0" 27' 0" 23' 6" 29' 7" 25' 0" 2' 9" 27' 0" 24' 4" 20' 6" 26' 5" e 23' " 9' 6" 24' " e 22' " e 8' 7" 800S ' 5" 39' 2" 34' 3" 30' 7" 26' 9" 22' 7" 27' 0" 24' 4" 20' 6" 25' 9" e 22' 7" 9' 0" 23' 6" e 2' 3" e 7' " 2' 9" e 20' 2" e 7' 0" e 20' 4" e 9' 3" e 6' 3" e 800S ' " 54' " 47' 3" 42' 3" 36' 0" 3' " 38' 4" 33' 6" 28' 3" 35' 7" 3' " 26' 3" 33' 6" 29' 3" 24' 8" 3' 5" 27' 0" 23' 5" 29' 5" e 26' 7" 22' 5" 800S ' " 49' " 42' " 38' 4" 33' 6" 28' 3" 34' 0" 30' 5" 25' 8" 32' 3" 28' 3" 23' 0" 29' 5" e 26' 7" 22' 5" 27' 3" e 25' 3" e 2' 4" 25' 6" e 24' 2" e 20' 5" 800S ' " 42' " 37' 6" 33' 6" 29' 3" 24' 8" 29' 5" e 26' 7" 22' 5" 26' 4" e 24' 8" e 20' 0" 24' 0" e 23' 3" e 9' 7" e 22' 3" e 22' " e 8' 7" e 20' 0" e 20' 0" e 7' 0" e 800S ' 0" 53' 0" 47' " 42' " 36' 9" 3' 0" 38' 2" 33' 5" 28' 2" 35' 6" 3' 0" 26' 2" 33' 5" 29' 2" 24' 7" 3' 8" 27' 8" 23' 4" 30' 4" 26' 6" 22' 4" 800S ' 8" 48' " 42' 9" 38' 2" 33' 5" 28' 2" 34' 9" 30' 4" 25' 7" 32' 3" 28' 2" 23' 9" 30' 4" 26' 6" 22' 4" 28' 0" 25' 2" 2' 3" 27' 7" 24' " 20' 4" 800S ' 0" 42' 9" 37' 4" 33' 5" 29' 2" 24' 7" 30' 4" 26' 6" 22' 4" 28' 2" 24' 7" 20' 9" 26' 6" 23' 2" 9' 6" 25' 2" 22' 0" 8' 6" 23' 0" e 2' 0" 7' 9" 800S ' 0" 60' 4" 52' 8" 47' " 4' 2" 34' 8" 42' 0" 37' 5" 3' 6" 39' 9" 34' 8" 29' 3" 37' 5" 32' 8" 27' 7" 35' 6" 3' 0" 26' 2" 34' 0" 29' 8" 25' 0" 800S ' " 54' 0" 47' " 42' 0" 37' 5" 3' 6" 38' " 34' 0" 28' 8" 36' " 3' 6" 26' 7" 34' 0" 29' 8" 25' 0" 32' 3" 28' 2" 23' 9" 30' 0" 27' 0" 22' 9" 800S ' 4" 47' " 4' 0" 37' 5" 32' 8" 27' 7" 34' 0" 29' 8" 25' 0" 3' 6" 27' 7" 23' 3" 29' 8" 25' " 2' 0" 27' 0" 24' 7" 20' 9" 26' 0" 23' 7" 9' 0" 800S ' 0" 60' 4" 52' 8" 47' " 4' 2" 34' 8" 42' 0" 37' 5" 3' 6" 39' 9" 34' 8" 29' 3" 37' 5" 32' 8" 27' 7" 35' 6" 3' 0" 26' 2" 34' 0" 29' 8" 25' 0" 800S ' " 54' 0" 47' " 42' 0" 37' 5" 3' 6" 38' " 34' 0" 28' 8" 36' " 3' 6" 26' 7" 34' 0" 29' 8" 25' 0" 32' 3" 28' 2" 23' 9" 30' 0" 27' 0" 22' 9" 800S ' 4" 47' " 4' 0" 37' 5" 32' 8" 27' 7" 34' 0" 29' 8" 25' 0" 3' 6" 27' 7" 23' 3" 29' 8" 25' " 2' 0" 28' 2" 24' 7" 20' 9" 27' 0" 23' 7" 9' 0" 800S ' 8" 64' " 55' " 50' 0" 43' 8" 36' 0" 45' 5" 39' 8" 33' 6" 42' 2" 36' 0" 3' " 39' 8" 34' 8" 29' 3" 37' 9" 32' " 27' 9" 36' " 3' 6" 26' 7" 800S ' 4" 58' 2" 50' 0" 45' 5" 39' 8" 33' 6" 4' 3" 36' " 30' 5" 38' 4" 33' 6" 28' 3" 36' " 3' 6" 26' 7" 34' 3" 29' " 25' 3" 32' 9" 28' 8" 24' 2" 800S ' " 50' 0" 44' 5" 39' 8" 34' 8" 29' 3" 36' " 3' 6" 26' 7" 33' 6" 29' 3" 24' 8" 3' 6" 27' 6" 23' 3" 29' " 26' 2" 22' " 28' 8" 25' 0" 2' " 800S ' 8" 64' " 55' " 50' 0" 43' 8" 36' 0" 45' 5" 39' 8" 33' 6" 42' 2" 36' 0" 3' " 39' 8" 34' 8" 29' 3" 37' 9" 32' " 27' 9" 36' " 3' 6" 26' 7" 800S ' 4" 58' 2" 50' 0" 45' 5" 39' 8" 33' 6" 4' 3" 36' " 30' 5" 38' 4" 33' 6" 28' 3" 36' " 3' 6" 26' 7" 34' 3" 29' " 25' 3" 32' 9" 28' 8" 24' 2" 800S ' " 50' 0" 44' 5" 39' 8" 34' 8" 29' 3" 36' " 3' 6" 26' 7" 33' 6" 29' 3" 24' 8" 3' 6" 27' 6" 23' 3" 29' " 26' 2" 22' " 28' 8" 25' 0" 2' " See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

37 Limiting Wall Heights - Curtain Wall 2-span Wall Height Table Notes. Listed span is the distance from either end to the center support, with the stud continuous past the center support. All calculations are based on AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. Studs must be braced against rotation and lateral movement of all supports. Lateral loads have not been modified for strength checks: full loads are applied. 3. Lateral loads of 0 psf and higher wind pressures have been multiplied by 0.7 for deflection determination, in accordance with footnote f of IBC table The 5 psf live load has not been reduced. 4. Limiting heights are based upon continuous support of each flange over the full length of the stud. 5. Limiting heights are based upon steel properties alone (non-composite). 6. Web crippling checks are based upon end-one flange loading condition using -inch end bearing. 7. End shear and web crippling capacity have not been reduced for punchouts. Punchouts are assumed to be at least 0-inches from the end of members, in accordance with ASTM C955, section Mid-Span supports not checked for web crippling. Web stiffeners required at mid-span supports. 9. Shear capacity at mid-span support has been reduced for the presence of punchouts adjacent to the support. Mid-span combined bending and shear check based on stiffened web. 0. Where limiting heights are followed by e, web stiffeners are required.. Curtain Wall 2-span (2 equal spans) is a stud member that is attached to structure at the top, midpoint, and bottom of the stud. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 35

38 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 6" 8' 7" 6' 3" ' 0" ' 0" 0' 8" 0' 3" 0' 3" 9' 9" 9' 2" 9' 2" 9' 0" 8' 4" 8' 4" 8' 4" 7' 9" 7' 9" 7' 9" 7' 3" 7' 3" 7' 3" 250S ' 9" 6' " 4' 9" 0' 3" 0' 3" 9' 9" 8' 0" 8' 0" 8' 0" 7' " 7' " 7' " 7' 3" 7' 3" 7' 3" 6' 8" 6' 8" 6' 8" 6' 3" 6' 3" 6' 3" 250S ' 6" 4' 6" 2' " 8' 4" 8' 4" 8' 4" 7' 3" 7' 3" 7' 3" 6' 6" 6' 6" 6' 6" 5' " e 5' " e 5' " e 5' 6" e 5' 6" e 5' 6" e 5' " e 5' " e 5' " e 250S ' 7" 20' 2" 7' 8" 3' 8" 3' 8" ' 7" ' 0" ' 0" 0' 7" 0' 7" 0' 7" 9' 0" 9' 8" 9' 8" 9' 3" 8' " 8' " 8' 9" 8' 4" 8' 4" 8' 4" 250S ' 5" 8' 4" 6' 0" ' 0" ' 0" 0' 7" 0' 3" 0' 3" 9' 7" 9' 2" 9' 2" 8' " 8' 4" 8' 4" 8' 4" 7' 9" 7' 9" 7' 9" 7' 3" 7' 3" 7' 3" 250S ' 8" 6' 0" 4' 0" 9' 8" 9' 8" 9' 3" 8' 4" 8' 4" 8' 4" 7' 6" 7' 6" 7' 6" 6' 0" 6' 0" 6' 0" 6' 4" 6' 4" 6' 4" 5' " 5' " 5' " 250S ' " 2' 7" 8' 0" 5' " 4' 9" 2' 5" 3' " 3' " ' 3" ' 8" ' 8" 0' 6" 0' 8" 0' 8" 9' 0" 9' 0" 9' 0" 9' 4" 9' 3" 9' 3" 8' " 250S ' 7" 9' 7" 7' 2" 3' " 3' " ' 3" ' 4" ' 4" 0' 3" 0' " 0' " 9' 6" 9' 3" 9' 3" 8' " 8' 7" 8' 7" 8' 6" 8' 0" 8' 0" 8' 0" 250S ' 5" 7' 2" 5' 0" 0' 8" 0' 8" 9' 0" 9' 3" 9' 3" 8' " 8' 3" 8' 3" 8' 3" 7' 6" 7' 6" 7' 6" 7' 0" 7' 0" 7' 0" 6' 6" 6' 6" 6' 6" 250S ' 2" 2' 7" 8' 0" 6' 0" 4' 9" 2' 5" 5' 4" 3' 5" ' 3" 4' 3" 2' 5" 0' 6" 3' " ' 8" 9' 0" 2' 2" ' " 9' 4" ' 4" 0' 7" 8' " 250S ' 9" 9' 7" 7' 2" 5' 4" 3' 5" ' 3" 3' " 2' 2" 0' 3" 2' 5" ' 3" 9' 6" ' 4" 0' 7" 8' " 0' 6" 0' " 8' 6" 9' 0" 9' 8" 8' 2" 250S ' 7" 7' 2" 5' 0" 3' " ' 8" 9' 0" ' 4" 0' 7" 8' " 0' 2" 9' 0" 8' 4" 9' 3" 9' 3" 7' 0" 8' 7" 8' 7" 7' 5" 8' 0" 8' 0" 7' " 250S ' 9" 23' 0" 20' " 6' 7" 5' 8" 3' 3" 4' 4" 4' 3" 2' 0" 2' 0" 2' 0" ' 2" ' 9" ' 9" 0' 6" 0' 0" 0' 0" 0' 0" 0' 2" 0' 2" 9' 7" 250S ' " 20' " 8' 3" 4' 4" 4' 3" 2' 0" 2' 5" 2' 5" 0' " ' 2" ' 2" 0' 2" 0' 2" 0' 2" 9' 7" 9' 5" 9' 5" 9' " 8' 0" 8' 0" 8' 8" 250S ' 4" 8' 3" 6' 0" ' 9" ' 9" 0' 6" 0' 2" 0' 2" 9' 7" 9' " 9' " 8' 0" 8' 4" 8' 4" 8' 4" 7' 8" 7' 8" 7' 8" 7' 2" 7' 2" 7' 2" 250S ' 0" 23' 0" 20' " 8' 0" 5' 8" 3' 3" 6' 4" 4' 3" 2' 0" 5' 2" 3' 3" ' 2" 4' 3" 2' 6" 0' 6" 3' 4" ' 0" 0' 0" 2' 6" ' 4" 9' 7" 250S ' 4" 20' " 8' 3" 6' 4" 4' 3" 2' 0" 4' 0" 3' 0" 0' " 3' 8" 2' 0" 0' 2" 2' 6" ' 4" 9' 7" ' 7" 0' 9" 9' " 0' 0" 0' 3" 8' 8" 250S ' 0" 8' 3" 6' 0" 4' 3" 2' 6" 0' 6" 2' 6" ' 4" 9' 7" ' 2" 0' 6" 8' 0" 0' 3" 9' " 8' 4" 9' 5" 9' 5" 7' " 8' 0" 8' 0" 7' 7" 250S ' 9" 9' 6" 7' " 2' 7" 2' 7" ' 3" 0' " 0' " 0' 2" 9' 9" 9' 9" 9' 6" 8' " 8' " 8' " 8' 3" 8' 3" 8' 3" 7' 8" 7' 8" 7' 8" 250S ' 0" 7' 9" 5' 6" 0' " 0' " 0' 2" 9' 5" 9' 5" 9' 3" 8' 5" 8' 5" 8' 5" 7' 8" 7' 8" 7' 8" 7' 2" 7' 2" 7' 2" 6' 8" e 6' 8" e 6' 8" e 250S ' 5" 5' 5" 3' 6" 8' " 8' " 8' " 7' 8" 7' 8" 7' 8" 6' " 6' " 6' " 6' 3" e 6' 3" e 6' 3" e 5' 0" e 5' 0" e 5' 0" e 5' 5" e 5' 5" e 5' 5" e 250S ' 5" 2' 3" 8' 6" 4' 8" 4' 6" 2' 2" 2' 9" 2' 9" ' " ' 4" ' 4" 0' 4" 0' 5" 0' 5" 9' 8" 9' 7" 9' 7" 9' 2" 9' 0" 9' 0" 8' 0" 250S ' 0" 9' 3" 6' 0" 2' 9" 2' 9" ' " ' 0" ' 0" 0' " 9' 0" 9' 0" 9' 4" 9' 0" 9' 0" 8' 0" 8' 4" 8' 4" 8' 4" 7' 9" 7' 9" 7' 9" 250S ' 0" 6' 0" 4' 9" 0' 5" 0' 5" 9' 8" 9' 0" 9' 0" 8' 0" 8' " 8' " 8' " 7' 4" 7' 4" 7' 4" 6' 0" 6' 0" 6' 0" 6' 4" 6' 4" 6' 4" 250S ' 2" 22' 8" 9' 0" 6' 3" 5' 6" 3' " 4' " 4' " ' 0" 2' 7" 2' 7" ' 0" ' 6" ' 6" 0' 4" 0' 8" 0' 8" 9' 0" 9' " 9' " 9' 5" 250S ' 4" 20' 7" 8' 0" 4' " 4' " ' 0" 2' 2" 2' 2" 0' 9" 0' " 0' " 0' 0" 9' " 9' " 9' 5" 9' 3" 9' 3" 8' " 8' 7" 8' 7" 8' 7" 250S ' " 8' 0" 5' 9" ' 6" ' 6" 0' 4" 9' " 9' " 9' 5" 8' " 8' " 8' 9" 8' " 8' " 8' " 7' 6" 7' 6" 7' 6" 7' 0" 7' 0" 7' 0" 250S ' 7" 22' 8" 9' 0" 7' 9" 5' 6" 3' " 6' " 4' " ' 0" 4' " 3' " ' 0" 4' " 2' 3" 0' 4" 3' " ' 8" 9' 0" 2' 2" ' 2" 9' 5" 250S ' 0" 20' 7" 8' 0" 6' " 4' " ' 0" 4' 8" 2' 9" 0' 9" 3' 4" ' 0" 0' 0" 2' 2" ' 2" 9' 5" ' 4" 0' 7" 8' " 0' 7" 0' 2" 8' 7" 250S ' 8" 8' 0" 5' 9" 4' " 2' 3" 0' 4" 2' 2" ' 2" 9' 5" 0' " 0' 4" 8' 9" 0' 0" 9' 9" 8' 3" 9' 3" 9' 3" 7' 0" 8' 8" 8' 8" 7' 6" 250S ' 6" 24' 3" 2' 2" 7' " 6' 6" 3' " 5' 6" 5' 0" 2' 8" 3' " 3' " ' 9" 2' 8" 2' 8" ' " ' 9" ' 9" 0' 6" ' 0" ' 0" 0' " 250S ' " 22' 0" 9' 3" 5' 6" 5' 0" 2' 8" 3' 5" 3' 5" ' 6" 2' 0" 2' 0" 0' 8" ' 0" ' 0" 0' " 0' 2" 0' 2" 9' 7" 9' 6" 9' 6" 9' 2" 250S ' " 9' 3" 6' 0" 2' 8" 2' 8" ' " ' 0" ' 0" 0' " 9' 0" 9' 0" 9' 4" 8' " 8' " 8' 9" 8' " 8' " 8' " 7' 5" 7' 5" 7' 5" 250S ' 6" 24' 3" 2' 2" 8' " 6' 6" 3' " 7' 2" 5' 0" 2' 8" 6' 0" 3' " ' 9" 5' 0" 3' " ' " 4' 3" 2' 6" 0' 6" 3' 6" ' " 0' " 250S ' 9" 22' 0" 9' 3" 7' 2" 5' 0" 2' 8" 5' 7" 3' 8" ' 6" 4' 6" 2' 8" 0' 8" 3' 6" ' " 0' " 2' 6" ' 4" 9' 7" ' 8" 0' 0" 9' 2" 250S ' 3" 9' 3" 6' 0" 5' 0" 3' " ' " 3' 6" ' " 0' " 2' " ' " 9' 4" ' 0" 0' 5" 8' 9" 0' 3" 9' " 8' 4" 9' 7" 9' 6" 8' 0" 350S ' 7" 25' 3" 22' " 5' 4" 5' 4" 4' 6" 3' 3" 3' 3" 3' 2" ' 0" ' 0" ' 0" 0' 0" 0' 0" 0' 0" 0' 0" e 0' 0" e 0' 0" e 9' 5" e 9' 5" e 9' 5" e 350S ' 0" 22' " 20' 0" 3' 3" 3' 3" 3' 2" ' 6" ' 6" ' 6" 0' 3" e 0' 3" e 0' 3" e 9' 5" e 9' 5" e 9' 5" e 8' 8" e 8' 8" e 8' 8" e 8' 2" e 8' 2" e 8' 2" e 350S ' 9" 8' 9" 7' 6" 0' 0" 0' 0" 0' 0" 9' 5" e 9' 5" e 9' 5" e 8' 5" e 8' 5" e 8' 5" e 7' 8" e 7' 8" e 7' 8" e 7' " e 7' " e 7' " e 6' 8" e 6' 8" e 6' 8" e 350S ' 2" 27' 5" 24' 0" 8' 0" 8' 0" 5' 0" 5' 7" 5' 7" 4' 4" 3' " 3' " 3' 4" 2' 9" 2' 9" 2' 6" ' 9" ' 9" ' 9" ' 0" ' 0" ' 0" 350S ' 0" 24' " 2' 9" 5' 7" 5' 7" 4' 4" 3' 6" 3' 6" 3' 0" 2' " 2' " 2' " ' 0" ' 0" ' 0" 0' 3" 0' 3" 0' 3" 9' 7" 9' 7" 9' 7" 350S ' " 2' 9" 9' 0" 2' 9" 2' 9" 2' 6" ' 0" ' 0" ' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 8' 4" e 8' 4" e 8' 4" e 7' 0" e 7' 0" e 7' 0" e 350S ' " 29' 5" 25' 8" 20' 3" 20' " 6' " 7' 6" 7' 6" 5' 4" 5' 8" 5' 8" 4' 3" 4' 4" 4' 4" 3' 5" 3' 3" 3' 3" 2' 9" 2' 5" 2' 5" 2' 2" 350S ' 5" 26' 9" 23' 4" 7' 6" 7' 6" 5' 4" 5' 2" 5' 2" 4' 0" 3' 7" 3' 7" 3' 0" 2' 5" 2' 5" 2' 2" ' 6" ' 6" ' 6" 0' 9" 0' 9" 0' 9" 350S ' 0" 23' 4" 20' 5" 4' 4" 4' 4" 3' 5" 2' 5" 2' 5" 2' 2" ' " ' " ' " 0' 2" 0' 2" 0' 2" 9' 5" 9' 5" 9' 5" 8' 9" 8' 9" 8' 9" 350S ' " 29' 5" 25' 8" 23' 0" 20' " 6' " 20' 0" 8' 3" 5' 4" 8' 9" 6' " 4' 3" 7' " 5' " 3' 5" 5' 0" 5' 2" 2' 9" 4' 0" 4' 6" 2' 2" 350S ' 8" 26' 9" 23' 4" 20' 0" 8' 3" 5' 4" 8' 2" 6' 7" 4' 0" 6' 3" 5' 4" 3' 0" 4' 0" 4' 6" 2' 2" 3' 9" 3' 9" ' 7" 2' 0" 2' 0" ' " 350S ' 5" 23' 4" 20' 5" 7' " 5' " 3' 5" 4' 0" 4' 6" 2' 2" 3' 3" 3' 3" ' 4" 2' " 2' " 0' 8" ' 2" ' 2" 0' 2" 0' 6" 0' 6" 9' 8" 350S ' 0" 3' 5" 27' 6" 22' 5" 2' 6" 8' " 9' 5" 9' 5" 6' 5" 7' 4" 7' 4" 5' 3" 5' 0" 5' 0" 4' 4" 4' 8" 4' 8" 3' 8" 3' 9" 3' 9" 3' " 350S ' 7" 28' 7" 25' 0" 9' 5" 9' 5" 6' 5" 6' 0" 6' 0" 4' " 5' 0" 5' 0" 3' 0" 3' 9" 3' 9" 3' " 2' 8" 2' 8" 2' 5" ' " ' " ' 0" 350S ' 5" 25' 0" 2' 0" 5' 0" 5' 0" 4' 4" 3' 9" 3' 9" 3' " 2' 3" 2' 3" 2' " ' 2" ' 2" ' 2" 0' 4" 0' 4" 0' 4" 9' 8" 9' 8" 9' 8" 350S ' 8" 3' 5" 27' 6" 24' 7" 2' 6" 8' " 22' 4" 9' 6" 6' 5" 20' 9" 8' " 5' 3" 9' 6" 7' 0" 4' 4" 8' " 6' 2" 3' 8" 6' " 5' 6" 3' " 350S ' 0" 28' 7" 25' 0" 22' 4" 9' 6" 6' 5" 20' 3" 7' 9" 4' " 8' 6" 6' 5" 3' 0" 6' " 5' 6" 3' " 5' 8" 4' 8" 2' 5" 4' 8" 4' " ' 0" 350S ' 5" 25' 0" 2' 0" 9' 6" 7' 0" 4' 4" 6' " 5' 6" 3' " 5' " 4' 4" 2' " 3' 9" 3' 6" ' 5" 2' 9" 2' 9" 0' 0" ' " ' " 0' 4" 350S ' 9" 34' 8" 30' 4" 25' " 23' 8" 20' 0" 22' 6" 2' 6" 8' 2" 20' " 20' 0" 6' 0" 8' 4" 8' 4" 5' 0" 7' 0" 7' 0" 5' " 5' " 5' " 4' 5" 350S ' " 3' 6" 27' 6" 22' 6" 2' 6" 8' 2" 9' 6" 9' 6" 6' 6" 7' 5" 7' 5" 5' 4" 5' " 5' " 4' 5" 4' 8" 4' 8" 3' 8" 3' 5" 3' 5" 3' " 350S ' 9" 27' 6" 24' " 8' 4" 8' 4" 5' 0" 5' " 5' " 4' 5" 4' 0" 4' 0" 3' 4" 2' 5" 2' 5" 2' 5" ' 3" ' 3" ' 3" 0' 3" 0' 3" 0' 3" 350S ' 9" 34' 8" 30' 4" 27' " 23' 8" 20' 0" 24' 7" 2' 6" 8' 2" 22' 0" 20' 0" 6' 0" 2' 6" 8' 9" 5' 0" 20' 5" 7' 0" 5' " 9' 6" 7' " 4' 5" 350S ' 9" 3' 6" 27' 6" 24' 7" 2' 6" 8' 2" 22' 4" 9' 6" 6' 6" 20' 9" 8' 2" 5' 4" 9' 6" 7' " 4' 5" 8' " 6' 3" 3' 8" 6' " 5' 6" 3' " 350S ' 8" 27' 6" 24' " 2' 6" 8' 9" 5' 0" 9' 6" 7' " 4' 5" 7' 6" 5' 0" 3' 4" 6' 0" 4' " 2' 7" 4' 8" 4' 2" ' " 3' 5" 3' 5" ' 5" 350S ' 5" 29' 0" 25' 4" 9' 3" 9' 3" 6' 8" 6' 8" 6' 8" 5' 2" 4' " 4' " 4' " 3' 8" 3' 8" 3' 3" 2' 7" 2' 7" 2' 7" ' 0" ' 0" ' 0" 350S ' " 26' 4" 23' 0" 6' 8" 6' 8" 5' 2" 4' 5" 4' 5" 3' 9" 2' " 2' " 2' 9" ' 0" ' 0" ' 0" 0' " 0' " 0' " 0' 3" 0' 3" 0' 3" 350S ' 7" 23' 0" 20' " 3' 8" 3' 8" 3' 3" ' 0" ' 0" ' 0" 0' 7" 0' 7" 0' 7" 9' 8" e 9' 8" e 9' 8" e 8' " e 8' " e 8' " e 8' 4" e 8' 4" e 8' 4" e See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

39 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 2" 3' " 27' 2" 22' 0" 2' 2" 7' " 9' " 9' " 6' 3" 7' " 7' " 5' " 5' 7" 5' 7" 4' 2" 4' 5" 4' 5" 3' 6" 3' 6" 3' 6" 2' " 350S ' 0" 28' 3" 24' 8" 9' " 9' " 6' 3" 6' 6" 6' 6" 4' 9" 4' 9" 4' 9" 3' 8" 3' 6" 3' 6" 2' " 2' 6" 2' 6" 2' 3" ' 8" ' 8" ' 8" 350S ' 0" 24' 8" 2' 7" 5' 7" 5' 7" 4' 2" 3' 6" 3' 6" 2' " 2' " 2' " 2' 0" ' 0" ' 0" ' 0" 0' 2" 0' 2" 0' 2" 9' 6" 9' 6" 9' 6" 350S ' 2" 3' " 27' 2" 24' 3" 2' 2" 7' " 22' 0" 9' 3" 6' 3" 9' 8" 7' " 5' " 8' 0" 6' 0" 4' 2" 6' 8" 6' 0" 3' 6" 5' 7" 5' 4" 2' " 350S ' 7" 28' 3" 24' 8" 22' 0" 9' 3" 6' 3" 9' " 7' 6" 4' 9" 7' " 6' 3" 3' 8" 5' 7" 5' 4" 2' " 4' 5" 4' 5" 2' 3" 3' 6" 3' 6" ' 9" 350S ' " 24' 8" 2' 7" 8' 0" 6' 0" 4' 2" 5' 7" 5' 4" 2' " 3' " 3' " 2' 0" 2' 8" 2' 8" ' 3" ' 9" ' 9" 0' 8" ' 0" ' 0" 0' 3" 350S ' " 33' 3" 29' " 24' 5" 22' 9" 9' 2" 2' " 20' 8" 7' 5" 8' " 8' " 6' 2" 7' 3" 7' 3" 5' 2" 6' 0" 6' 0" 4' 5" 4' " 4' " 3' 0" 350S ' 7" 30' 3" 26' 5" 2' " 20' 8" 7' 5" 8' 4" 8' 4" 5' 0" 6' 4" 6' 4" 4' 8" 4' " 4' " 3' 0" 3' 0" 3' 0" 3' " 2' " 2' " 2' 7" 350S ' " 26' 5" 23' " 7' 3" 7' 3" 5' 2" 4' " 4' " 3' 0" 3' 4" 3' 4" 2' 0" 2' 2" 2' 2" 2' " ' 4" ' 4" ' 4" 0' 7" 0' 7" 0' 7" 350S ' " 33' 3" 29' " 26' 0" 22' 9" 9' 2" 23' 7" 20' 8" 7' 5" 2' " 9' 2" 6' 2" 20' 8" 8' 0" 5' 2" 9' 6" 7' " 4' 5" 8' 3" 6' 5" 3' 0" 350S ' " 30' 3" 26' 5" 23' 7" 20' 8" 7' 5" 2' 6" 8' 9" 5' 0" 9' " 7' 5" 4' 8" 8' 3" 6' 5" 3' 0" 6' " 5' 7" 3' " 5' 0" 4' " 2' 7" 350S ' 3" 26' 5" 23' " 20' 8" 8' 0" 5' 2" 8' 3" 6' 5" 3' 0" 6' 4" 5' 2" 2' 0" 4' " 4' 4" 2' " 3' 0" 3' 7" ' 6" 2' " 2' " ' 0" 350S ' 4" 36' 0" 32' 2" 28' 4" 25' " 2' 2" 24' 7" 22' 0" 9' 3" 22' 0" 2' 2" 7' 0" 20' " 9' " 6' 0" 8' 3" 8' 3" 6' 0" 6' 0" 6' 0" 5' 3" 350S ' 2" 33' 5" 29' 3" 24' 7" 22' 0" 9' 3" 2' 3" 20' 9" 7' 6" 8' 0" 8' 0" 6' 3" 6' 0" 6' 0" 5' 3" 5' 2" 5' 2" 4' 6" 3' " 3' " 3' " 350S ' 9" 29' 3" 25' 6" 20' " 9' " 6' 0" 6' 0" 6' 0" 5' 3" 4' 6" 4' 6" 4' 2" 2' 0" 2' 0" 2' 0" ' 6" ' 6" ' 6" 0' 5" 0' 5" 0' 5" 350S ' 4" 36' 0" 32' 2" 28' 9" 25' " 2' 2" 26' " 22' 0" 9' 3" 24' 3" 2' 2" 7' 0" 22' 0" 9' " 6' 0" 2' 8" 8' " 6' 0" 20' 9" 8' " 5' 3" 350S ' 2" 33' 5" 29' 3" 26' " 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 22' 0" 9' 3" 6' 3" 20' 9" 8' " 5' 3" 9' 7" 7' 2" 4' 6" 8' " 6' 5" 3' " 350S ' 0" 29' 3" 25' 6" 22' 0" 9' " 6' 0" 20' 9" 8' " 5' 3" 8' 0" 6' 0" 4' 2" 6' 0" 5' 0" 3' 4" 5' 3" 5' 0" 2' 8" 3' " 3' " 2' " 362S ' 4" 24' 9" 2' 7" 4' 7" 4' 7" 4' 3" 2' 8" 2' 8" 2' 8" ' 4" ' 4" ' 4" 0' 4" 0' 4" 0' 4" 9' 7" e 9' 7" e 9' 7" e 8' " e 8' " e 8' " e 362S ' " 2' " 9' 8" 2' 8" 2' 8" 2' 8" 0' " 0' " 0' " 9' 0" 9' 0" 9' 0" 8' " e 8' " e 8' " e 8' 3" e 8' 3" e 8' 3" e 7' 9" e 7' 9" e 7' 9" e 362S ' " 7' " 7' 2" 0' 4" 0' 4" 0' 4" 8' " e 8' " e 8' " e 8' 0" e 8' 0" e 8' 0" e 7' 4" e 7' 4" e 7' 4" e 6' 9" e 6' 9" e 6' 9" e 6' 4" e 6' 4" e 6' 4" e 362S ' 8" 26' " 23' 6" 7' " 7' " 5' 6" 4' 0" 4' 0" 4' " 3' 3" 3' 3" 3' " 2' " 2' " 2' " ' 2" ' 2" ' 2" 0' 6" 0' 6" 0' 6" 362S ' 8" 24' 5" 2' 4" 4' 0" 4' 0" 4' " 2' 0" 2' 0" 2' 9" ' 6" ' 6" ' 6" 0' 6" 0' 6" 0' 6" 9' 8" 9' 8" 9' 8" 9' " 9' " 9' " 362S ' " 20' " 8' 8" 2' " 2' " 2' " 0' 6" 0' 6" 0' 6" 9' 4" 9' 4" 9' 4" 8' 7" 8' 7" 8' 7" 7' " e 7' " e 7' " e 7' 5" e 7' 5" e 7' 5" e 362S ' 5" 28' 0" 25' 2" 9' 3" 9' 3" 6' 7" 6' 8" 6' 8" 5' " 4' " 4' " 4' 0" 3' 8" 3' 8" 3' 2" 2' 8" 2' 8" 2' 6" ' 0" ' 0" ' 0" 362S ' " 26' 2" 22' 0" 6' 8" 6' 8" 5' " 4' 6" 4' 6" 3' 8" 2' " 2' " 2' 8" ' 0" ' 0" ' 0" 0' " 0' " 0' " 0' 3" 0' 3" 0' 3" 362S ' 8" 22' 0" 20' 0" 3' 8" 3' 8" 3' 2" ' 0" ' 0" ' 0" 0' 7" 0' 7" 0' 7" 9' 8" 9' 8" 9' 8" 8' " 8' " 8' " 8' 4" 8' 4" 8' 4" 362S ' 3" 28' 0" 25' 2" 22' 6" 9' 8" 6' 7" 9' " 7' 0" 5' " 7' 0" 6' 7" 4' 0" 6' 3" 5' 7" 3' 2" 5' " 4' 0" 2' 6" 4' " 4' " ' " 362S ' 0" 26' 2" 22' 0" 9' " 7' 0" 5' " 7' 3" 6' 3" 3' 8" 5' 5" 5' " 2' 8" 4' " 4' " ' " 3' 0" 3' 0" ' 4" 2' 2" 2' 2" 0' 0" 362S ' 2" 22' 0" 20' 0" 6' 3" 5' 7" 3' 2" 4' " 4' " ' " 2' 7" 2' 7" ' " ' 6" ' 6" 0' 5" 0' 8" 0' 8" 9' " 9' " 9' " 9' 6" 362S ' " 30' 9" 26' " 2' 4" 2' 0" 7' 9" 8' 5" 8' 5" 6' " 6' 6" 6' 6" 4' " 5' " 5' " 4' " 3' " 3' " 3' 4" 3' " 3' " 2' 9" 362S ' 0" 28' 0" 24' 5" 8' 5" 8' 5" 6' " 6' 0" 6' 0" 4' 7" 4' 4" 4' 4" 3' 7" 3' " 3' " 2' 9" 2' " 2' " 2' " ' 4" ' 4" ' 4" 362S ' " 24' 5" 2' 4" 5' " 5' " 4' " 3' " 3' " 2' 9" ' 8" ' 8" ' 8" 0' 8" 0' 8" 0' 8" 9' 0" 9' 0" 9' 0" 9' 3" 9' 3" 9' 3" 362S ' 9" 30' 9" 26' " 24' 0" 2' 0" 7' 9" 2' 0" 9' " 6' " 20' 3" 7' 9" 4' " 8' 7" 6' 8" 4' " 7' 2" 5' 0" 3' 4" 6' " 5' 2" 2' 9" 362S ' 3" 28' 0" 24' 5" 2' 0" 9' " 6' " 9' 8" 7' 4" 4' 7" 7' 7" 6' " 3' 7" 6' " 5' 2" 2' 9" 4' 0" 4' 5" 2' 2" 3' " 3' 9" ' 7" 362S ' 9" 24' 5" 2' 4" 8' 7" 6' 8" 4' " 6' " 5' 2" 2' 9" 4' 4" 4' " ' 0" 3' " 3' " ' 2" 2' 2" 2' 2" 0' 7" ' 4" ' 4" 0' 2" 362S ' " 25' " 22' 8" 5' 8" 5' 8" 4' " 3' 7" 3' 7" 3' 7" 2' " 2' " 2' " ' " e ' " e ' " e 0' 3" e 0' 3" e 0' 3" e 9' 7" e 9' 7" e 9' 7" e 362S ' 6" 23' 6" 20' 7" 3' 7" 3' 7" 3' 7" ' 9" ' 9" ' 9" 0' 6" e 0' 6" e 0' 6" e 9' 7" e 9' 7" e 9' 7" e 8' 0" e 8' 0" e 8' 0" e 8' 4" e 8' 4" e 8' 4" e 362S ' 2" 9' 2" 8' 0" ' " e ' " e ' " e 9' 7" e 9' 7" e 9' 7" e 8' 7" e 8' 7" e 8' 7" e 7' 0" e 7' 0" e 7' 0" e 7' 3" e 7' 3" e 7' 3" e 6' 9" e 6' 9" e 6' 9" e 362S ' " 28' 2" 24' 8" 8' 5" 8' 5" 6' 3" 5' " 5' " 4' 9" 4' 3" 4' 3" 3' 8" 3' 0" 3' 0" 2' " 2' " 2' " 2' " ' 3" ' 3" ' 3" 362S ' 7" 25' 8" 22' 5" 5' " 5' " 4' 9" 3' 0" 3' 0" 3' 5" 2' 4" 2' 4" 2' 4" ' 3" ' 3" ' 3" 0' 5" 0' 5" 0' 5" 9' 9" 9' 9" 9' 9" 362S ' 6" 22' 5" 9' 7" 3' 0" 3' 0" 2' " ' 3" ' 3" ' 3" 0' " 0' " 0' " 9' 2" 9' 2" 9' 2" 8' 6" e 8' 6" e 8' 6" e 8' 0" e 8' 0" e 8' 0" e 362S ' " 30' 3" 26' 5" 20' 9" 20' 7" 7' 5" 7' " 7' " 5' 0" 6' " 6' " 4' 8" 4' 8" 4' 8" 3' 0" 3' 7" 3' 7" 3' " 2' 8" 2' 8" 2' 6" 362S ' " 27' 5" 24' 0" 7' " 7' " 5' 0" 5' 7" 5' 7" 4' 4" 3' " 3' " 3' 4" 2' 8" 2' 8" 2' 6" ' 9" ' 9" ' 9" ' 0" ' 0" ' 0" 362S ' 5" 24' 0" 20' " 4' 8" 4' 8" 3' 0" 2' 8" 2' 8" 2' 6" ' 4" ' 4" ' 4" 0' 4" 0' 4" 0' 4" 9' 7" 9' 7" 9' 7" 9' 0" 9' 0" 9' 0" 362S ' " 30' 3" 26' 5" 23' 7" 20' 7" 7' 5" 2' 5" 8' 9" 5' 0" 9' 2" 7' 5" 4' 8" 7' 6" 6' 4" 3' 0" 6' 2" 5' 7" 3' " 5' 2" 4' 0" 2' 6" 362S ' 7" 27' 5" 24' 0" 2' 5" 8' 9" 5' 0" 8' 7" 7' 0" 4' 4" 6' 7" 5' 0" 3' 4" 5' 2" 4' 0" 2' 6" 4' 0" 4' 0" ' " 3' " 3' " ' 5" 362S ' 3" 24' 0" 20' " 7' 6" 6' 4" 3' 0" 5' 2" 4' 0" 2' 6" 3' 7" 3' 7" ' 8" 2' 4" 2' 4" 0' " ' 5" ' 5" 0' 5" 0' 9" 0' 9" 9' " 362S ' 9" 32' 4" 28' 3" 22' " 22' " 8' 7" 9' 0" 9' 0" 6' " 7' 9" 7' 9" 5' 8" 6' 3" 6' 3" 4' 9" 5' 0" 5' 0" 4' 0" 4' " 4' " 3' 5" 362S ' 5" 29' 4" 25' 8" 9' 0" 9' 0" 6' " 7' 2" 7' 2" 5' 4" 5' 5" 5' 5" 4' 3" 4' " 4' " 3' 5" 3' 0" 3' 0" 2' 9" 2' 2" 2' 2" 2' 2" 362S ' " 25' 8" 22' 5" 6' 3" 6' 3" 4' 9" 4' " 4' " 3' 5" 2' 7" 2' 7" 2' 5" ' 6" ' 6" ' 6" 0' 7" 0' 7" 0' 7" 9' " 9' " 9' " 362S ' 9" 32' 4" 28' 3" 25' 3" 22' " 8' 7" 22' " 20' 0" 6' " 2' 4" 8' 7" 5' 8" 20' 0" 7' 6" 4' 9" 8' 6" 6' 8" 4' 0" 7' 3" 5' " 3' 5" 362S ' 0" 29' 4" 25' 8" 22' " 20' 0" 6' " 20' 0" 8' 2" 5' 4" 8' " 6' " 4' 3" 7' 3" 5' " 3' 5" 6' 0" 5' " 2' 9" 5' 0" 4' 5" 2' 2" 362S ' 4" 25' 8" 22' 5" 20' 0" 7' 6" 4' 9" 7' 3" 5' " 3' 5" 5' 6" 4' 9" 2' 5" 4' " 3' " ' 9" 3' " 3' " ' 2" 2' 3" 2' 3" 0' 8" 362S ' " 35' 8" 3' 2" 26' 7" 24' 4" 20' 6" 23' 0" 22' " 8' 8" 20' 7" 20' 6" 7' 4" 8' 0" 8' 0" 6' 3" 7' 5" 7' 5" 5' 6" 6' 3" 6' 3" 4' 0" 362S ' 0" 32' 5" 28' 4" 23' 0" 22' " 8' 8" 9' " 9' " 6' " 7' 0" 7' 0" 5' 9" 6' 3" 6' 3" 4' 0" 5' " 5' " 4' " 4' " 4' " 3' 5" 362S ' 7" 28' 4" 24' 9" 8' 0" 8' 0" 6' 3" 6' 3" 6' 3" 4' 0" 4' 7" 4' 7" 3' 9" 3' 3" 3' 3" 2' " 2' 0" 2' 0" 2' 0" ' 0" ' 0" ' 0" 362S ' " 35' 8" 3' 2" 27' 0" 24' 4" 20' 6" 25' 4" 22' " 8' 8" 23' 6" 20' 6" 7' 4" 22' " 9' 4" 6' 3" 2' 0" 8' 4" 5' 6" 20' 0" 7' 7" 4' 0" 362S ' 0" 32' 5" 28' 4" 25' 4" 22' " 8' 8" 23' 0" 20' " 6' " 2' 4" 8' 8" 5' 9" 20' 0" 7' 7" 4' 0" 8' 7" 6' 8" 4' " 7' 4" 5' " 3' 5" 362S ' 8" 28' 4" 24' 9" 22' " 9' 4" 6' 3" 20' 0" 7' 7" 4' 0" 7' " 6' 3" 3' 9" 6' 4" 5' 4" 2' " 5' 2" 4' 7" 2' 3" 4' 2" 3' " ' 9" 362S ' 5" 27' 3" 23' 0" 6' 5" 6' 5" 5' 8" 4' 2" 4' 2" 4' 2" 2' 8" 2' 8" 2' 8" ' 7" e ' 7" e ' 7" e 0' 9" e 0' 9" e 0' 9" e 0' 0" e 0' 0" e 0' 0" e 362S ' 7" 24' 7" 2' 8" 4' 2" 4' 2" 4' 2" 2' 3" 2' 3" 2' 3" ' 0" e ' 0" e ' 0" e 0' 0" e 0' 0" e 0' 0" e 9' 3" e 9' 3" e 9' 3" e 8' 8" e 8' 8" e 8' 8" e 362S ' " 20' " 8' " ' 7" e ' 7" e ' 7" e 0' 0" e 0' 0" e 0' 0" e 9' 0" e 9' 0" e 9' 0" e 8' 2" e 8' 2" e 8' 2" e 7' 7" e 7' 7" e 7' 7" e 7' " e 7' " e 7' " e See Curtain Wall Limiting Heights Table Notes on page 35. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 37

40 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' " 29' 9" 26' 0" 9' 8" 9' 8" 7' 2" 7' " 7' " 5' 7" 5' 3" 5' 3" 4' 5" 3' " 3' " 3' 7" 2' " 2' " 2' " 2' " 2' " 2' " 362S ' 7" 27' " 23' 8" 7' " 7' " 5' 7" 4' 9" 4' 9" 4' 2" 3' 3" 3' 3" 3' 2" 2' " 2' " 2' " ' 2" ' 2" ' 2" 0' 5" e 0' 5" e 0' 5" e 362S ' " 23' 8" 20' 8" 3' " 3' " 3' 7" 2' " 2' " 2' " 0' 9" 0' 9" 0' 9" 9' 0" e 9' 0" e 9' 0" e 9' " e 9' " e 9' " e 8' 6" e 8' 6" e 8' 6" e 362S ' 0" 3' " 27' " 22' 6" 2' 9" 8' 4" 9' 6" 9' 6" 6' 8" 7' 5" 7' 5" 5' 6" 5' " 5' " 4' 7" 4' 9" 4' 9" 3' 0" 3' 9" 3' 9" 3' 3" 362S ' 9" 29' 0" 25' 4" 9' 6" 9' 6" 6' 8" 6' " 6' " 5' 2" 5' " 5' " 4' " 3' 9" 3' 9" 3' 3" 2' 9" 2' 9" 2' 7" ' " ' " ' " 362S ' 7" 25' 4" 22' 2" 5' " 5' " 4' 7" 3' 9" 3' 9" 3' 3" 2' 4" 2' 4" 2' 4" ' 3" ' 3" ' 3" 0' 5" 0' 5" 0' 5" 9' 9" 9' 9" 9' 9" 362S ' 3" 3' " 27' " 24' " 2' 9" 8' 4" 22' 6" 9' 0" 6' 8" 20' " 8' 4" 5' 6" 8' 4" 7' 3" 4' 7" 7' 0" 6' 5" 3' 0" 5' " 5' 9" 3' 3" 362S ' 7" 29' 0" 25' 4" 22' 6" 9' 0" 6' 8" 9' 6" 8' 0" 5' 2" 7' 5" 6' 8" 4' " 5' " 5' 9" 3' 3" 4' 9" 4' 9" 2' 7" 3' 9" 3' 9" 2' 0" 362S ' 0" 25' 4" 22' 2" 8' 4" 7' 3" 4' 7" 5' " 5' 9" 3' 3" 4' 3" 4' 3" 2' 4" 3' 0" 3' 0" ' 7" 2' 0" 2' 0" ' 0" ' 3" ' 3" 0' 6" 362S ' " 34' 2" 29' " 25' 0" 23' 4" 9' 8" 2' 7" 2' 2" 7' " 9' 4" 9' 4" 6' 7" 7' 8" 7' 8" 5' 7" 6' 4" 6' 4" 4' 0" 5' 3" 5' 3" 4' 2" 362S ' 5" 3' " 27' 2" 2' 7" 2' 2" 7' " 8' 9" 8' 9" 6' 3" 6' 9" 6' 9" 5' " 5' 3" 5' 3" 4' 2" 4' 2" 4' 2" 3' 6" 3' 3" 3' 3" 2' " 362S ' 7" 27' 2" 23' 9" 7' 8" 7' 8" 5' 7" 5' 3" 5' 3" 4' 2" 3' 8" 3' 8" 3' 2" 2' 6" 2' 6" 2' 5" ' 7" ' 7" ' 7" 0' 0" 0' 0" 0' 0" 362S ' " 34' 2" 29' " 26' 9" 23' 4" 9' 8" 24' 3" 2' 2" 7' " 22' 6" 9' 8" 6' 7" 2' 2" 8' 6" 5' 7" 9' " 7' 7" 4' 0" 8' 8" 6' 0" 4' 2" 362S ' 2" 3' " 27' 2" 24' 3" 2' 2" 7' " 22' " 9' 3" 6' 3" 20' 5" 7' " 5' " 8' 8" 6' 0" 4' 2" 7' 3" 6' 0" 3' 6" 6' 2" 5' 3" 2' " 362S ' 2" 27' 2" 23' 9" 2' 2" 8' 6" 5' 7" 8' 8" 6' 0" 4' 2" 6' 8" 5' 7" 3' 2" 5' 3" 4' 8" 2' 5" 4' " 4' 0" ' 9" 3' 2" 3' 2" ' 3" 362S ' 8" 37' 0" 33' " 29' 0" 25' 0" 2' 9" 25' 2" 23' 5" 9' 9" 22' 6" 2' 9" 8' 4" 20' 6" 20' 6" 7' 3" 9' 0" 9' 0" 6' 5" 7' 9" 7' 9" 5' 8" 362S ' 4" 34' 4" 30' 0" 25' 2" 23' 5" 9' 9" 2' 9" 2' 4" 8' 0" 9' 6" 9' 6" 6' 8" 7' 9" 7' 9" 5' 8" 6' " 6' " 4' " 4' 0" 4' 0" 4' 3" 362S ' 7" 30' 0" 26' 3" 20' 6" 20' 6" 7' 3" 7' 9" 7' 9" 5' 8" 5' 5" 5' 5" 4' 7" 3' 9" 3' 9" 3' 9" 2' 5" 2' 5" 2' 5" ' 3" ' 3" ' 3" 362S ' 8" 37' 0" 33' " 29' 6" 25' 0" 2' 9" 26' 0" 23' 5" 9' 9" 24' " 2' 9" 8' 4" 23' 5" 20' 6" 7' 3" 22' 3" 9' 5" 6' 5" 2' 4" 8' 7" 5' 8" 362S ' 4" 34' 4" 30' 0" 26' 0" 23' 5" 9' 9" 24' 5" 2' 4" 8' 0" 22' 8" 9' 9" 6' 8" 2' 4" 8' 7" 5' 8" 20' 3" 7' 8" 4' " 8' " 6' " 4' 3" 362S ' 0" 30' 0" 26' 3" 23' 5" 20' 6" 7' 3" 2' 4" 8' 7" 5' 8" 9' 7" 7' 3" 4' 7" 7' 9" 6' 3" 3' 9" 6' 2" 5' 5" 3' 0" 4' 0" 4' 9" 2' 5" 362S ' 4" 28' 5" 24' 0" 6' " 6' " 6' 4" 4' 8" 4' 8" 4' 8" 3' 2" 3' 2" 3' 2" 2' 0" e 2' 0" e 2' 0" e ' " e ' " e ' " e 0' 5" e 0' 5" e 0' 5" e 362S ' 5" 25' 5" 22' 7" 4' 8" 4' 8" 4' 8" 2' 9" e 2' 9" e 2' 9" e ' 4" e ' 4" e ' 4" e 0' 5" e 0' 5" e 0' 5" e 9' 7" e 9' 7" e 9' 7" e 9' 0" e 9' 0" e 9' 0" e 362S ' 9" 20' 9" 9' 8" 2' 0" e 2' 0" e 2' 0" e 0' 5" e 0' 5" e 0' 5" e 9' 3" e 9' 3" e 9' 3" e 8' 6" e 8' 6" e 8' 6" e 7' 0" e 7' 0" e 7' 0" e 7' 4" e 7' 4" e 7' 4" e 362S ' 0" 3' 5" 27' 5" 20' 2" 20' 2" 8' " 7' 6" 7' 6" 6' 5" 5' 8" 5' 8" 5' 3" 4' 3" 4' 3" 4' 3" 3' 3" 3' 3" 3' 3" 2' 4" 2' 4" 2' 4" 362S ' 4" 28' 6" 24' " 7' 6" 7' 6" 6' 5" 5' 2" 5' 2" 4' " 3' 7" 3' 7" 3' 7" 2' 4" 2' 4" 2' 4" ' 5" ' 5" ' 5" 0' 9" e 0' 9" e 0' 9" e 362S ' 9" 24' 9" 2' 9" 4' 3" 4' 3" 4' 3" 2' 4" 2' 4" 2' 4" ' " ' " ' " 0' " e 0' " e 0' " e 9' 4" e 9' 4" e 9' 4" e 8' 9" e 8' 9" e 8' 9" e 362S ' 9" 33' 8" 29' 5" 22' " 22' " 9' 5" 9' 0" 9' 0" 7' 7" 7' 9" 7' 9" 6' 4" 6' 3" 6' 3" 5' 5" 5' 0" 5' 0" 4' 7" 4' 0" 4' 0" 4' 0" 362S ' 5" 30' 7" 26' 9" 9' 0" 9' 0" 7' 7" 7' 2" 7' 2" 6' 0" 5' 5" 5' 5" 4' 0" 4' 0" 4' 0" 4' 0" 3' 0" 3' 0" 3' 0" 2' 2" 2' 2" 2' 2" 362S ' " 26' 9" 23' 4" 6' 3" 6' 3" 5' 5" 4' 0" 4' 0" 4' 0" 2' 7" 2' 7" 2' 7" ' 6" ' 6" ' 6" 0' 7" 0' 7" 0' 7" 9' " 9' " 9' " 362S ' 4" 33' 7" 29' 4" 26' 3" 22' " 9' 4" 23' 0" 20' 0" 7' 7" 20' 7" 9' 4" 6' 4" 8' 0" 8' 2" 5' 4" 7' 5" 7' 3" 4' 7" 6' 3" 6' 3" 3' " 362S ' 5" 30' 6" 26' 8" 23' 0" 20' 0" 7' 7" 9' " 8' " 5' " 7' 0" 7' 7" 4' 0" 6' 3" 6' 3" 3' " 5' " 5' " 3' 3" 4' " 4' " 2' 8" 362S ' 7" 26' 8" 23' 3" 8' 0" 8' 2" 5' 4" 6' 3" 6' 3" 3' " 4' 7" 4' 7" 2' " 3' 4" 3' 4" 2' 2" 2' 4" 2' 4" ' 7" ' 6" ' 6" ' " 362S ' 6" 36' " 3' 7" 27' " 24' 8" 20' 9" 23' 6" 22' 5" 8' " 2' 0" 20' 9" 7' 6" 9' 2" 9' 2" 6' 6" 7' 9" 7' 9" 5' 8" 6' 7" 6' 7" 5' 0" 362S ' 8" 32' 0" 28' 8" 23' 6" 22' 5" 8' " 20' 4" 20' 4" 7' 2" 8' 2" 8' 2" 5' " 6' 7" 6' 7" 5' 0" 5' 4" 5' 4" 4' 3" 4' 4" 4' 4" 3' 7" 362S ' 2" 28' 8" 25' " 9' 2" 9' 2" 6' 6" 6' 7" 6' 7" 5' 0" 4' 0" 4' 0" 3' " 3' 7" 3' 7" 3' " 2' 4" 2' 4" 2' 4" ' 5" ' 5" ' 5" 362S ' 6" 36' " 3' 7" 28' 2" 24' 8" 20' 9" 25' 8" 22' 5" 8' " 23' 9" 20' 9" 7' 6" 2' 8" 9' 7" 6' 6" 20' " 8' 7" 5' 8" 8' 9" 7' 9" 5' 0" 362S ' 4" 32' 0" 28' 8" 25' 8" 22' 5" 8' " 23' 0" 20' 4" 7' 2" 20' 7" 8' " 5' " 8' 9" 7' 9" 5' 0" 7' 4" 6' " 4' 3" 6' 3" 6' 2" 3' 7" 362S ' " 28' 8" 25' " 2' 8" 9' 7" 6' 6" 8' 9" 7' 9" 5' 0" 6' 9" 6' 6" 3' " 5' 4" 5' 4" 3' " 4' 2" 4' 2" 2' 5" 3' 3" 3' 3" ' " 362S ' 5" 40' 0" 35' 0" 3' 3" 27' 4" 23' 0" 27' 4" 24' 0" 20' " 24' 6" 23' 0" 9' 5" 22' " 2' 8" 8' 3" 20' " 20' " 7' 4" 8' 6" 8' 6" 6' 7" 362S ' 0" 36' 4" 3' 9" 27' 4" 24' 0" 20' " 23' 8" 22' 6" 9' 0" 20' 9" 20' 9" 7' 8" 8' 6" 8' 6" 6' 7" 6' 9" 6' 9" 5' 9" 5' 4" 5' 4" 5' " 362S ' 8" 3' 9" 27' 9" 22' " 2' 8" 8' 3" 8' 6" 8' 6" 6' 7" 6' 0" 6' 0" 5' 5" 4' 2" 4' 2" 4' 2" 2' 8" 2' 8" 2' 8" ' 6" ' 6" ' 6" 362S ' 5" 40' 0" 35' 0" 3' 3" 27' 4" 23' 0" 28' 5" 24' 0" 20' " 26' 4" 23' 0" 9' 5" 24' 0" 2' 8" 8' 3" 23' 7" 20' 7" 7' 4" 22' 6" 9' 8" 6' 7" 362S ' 0" 36' 4" 3' 9" 28' 5" 24' 0" 20' " 25' 0" 22' 6" 9' 0" 23' " 20' " 7' 8" 22' 6" 9' 8" 6' 7" 2' 4" 8' 8" 5' 9" 9' 8" 7' " 5' " 362S ' 0" 3' 9" 27' 9" 24' 0" 2' 8" 8' 3" 22' 6" 9' 8" 6' 7" 20' 5" 8' 3" 5' 5" 8' 3" 7' 2" 4' 6" 6' 7" 6' 4" 3' 9" 5' 3" 5' 3" 3' 2" 362S ' " 29' 3" 25' 7" 7' 3" 7' 3" 6' 0" 5' 0" 5' 0" 5' 0" 3' 5" e 3' 5" e 3' 5" e 2' 3" e 2' 3" e 2' 3" e ' 4" e ' 4" e ' 4" e 0' 7" e 0' 7" e 0' 7" e 362S ' " 25' " 23' 3" 5' 0" 5' 0" 5' 0" 3' 0" e 3' 0" e 3' 0" e ' 7" e ' 7" e ' 7" e 0' 7" e 0' 7" e 0' 7" e 9' 0" e 9' 0" e 9' 0" e 9' 2" e 9' 2" e 9' 2" e 362S ' 2" 2' 2" 20' 4" 2' 3" e 2' 3" e 2' 3" e 0' 7" e 0' 7" e 0' 7" e 9' 6" e 9' 6" e 9' 6" e 8' 8" e 8' 8" e 8' 8" e 8' 0" e 8' 0" e 8' 0" e 7' 6" e 7' 6" e 7' 6" e 362S ' 4" 32' 6" 28' 5" 20' 5" 20' 5" 8' 9" 7' 8" 7' 8" 7' 0" 5' 0" 5' 0" 5' 9" 4' 5" 4' 5" 4' 5" 3' 4" 3' 4" 3' 4" 2' 6" 2' 6" 2' 6" 362S ' 8" 29' 7" 25' 0" 7' 8" 7' 8" 7' 0" 5' 4" 5' 4" 5' 4" 3' 8" 3' 8" 3' 8" 2' 6" 2' 6" 2' 6" ' 7" ' 7" ' 7" 0' 0" e 0' 0" e 0' 0" e 362S ' 0" 25' 0" 22' 7" 4' 5" 4' 5" 4' 5" 2' 6" 2' 6" 2' 6" ' 2" e ' 2" e ' 2" e 0' 3" e 0' 3" e 0' 3" e 9' 5" e 9' 5" e 9' 5" e 8' 0" e 8' 0" e 8' 0" e 362S ' 7" 35' 2" 30' 9" 23' 5" 23' 5" 20' 3" 20' 3" 20' 3" 8' 5" 8' 2" 8' 2" 7' " 6' 7" 6' 7" 6' " 5' 4" 5' 4" 5' 3" 4' 4" 4' 4" 4' 4" 362S ' " 32' 0" 27' " 20' 3" 20' 3" 8' 5" 7' 7" 7' 7" 6' 9" 5' 8" 5' 8" 5' 6" 4' 4" 4' 4" 4' 4" 3' 3" 3' 3" 3' 3" 2' 5" 2' 5" 2' 5" 362S ' 8" 27' " 24' 5" 6' 7" 6' 7" 6' " 4' 4" 4' 4" 4' 4" 2' 0" 2' 0" 2' 0" ' 8" ' 8" ' 8" 0' 0" 0' 0" 0' 0" 0' 2" 0' 2" 0' 2" 362S ' 5" 34' 6" 30' " 26' " 23' 6" 9' 0" 23' 4" 2' 4" 8' 0" 20' " 9' 0" 6' 9" 9' " 8' 8" 5' 9" 7' 8" 7' 8" 4' " 6' 6" 6' 6" 4' 4" 362S ' 5" 3' 4" 27' 4" 23' 4" 2' 4" 8' 0" 20' 3" 9' 5" 6' 4" 8' " 8' 0" 5' 2" 6' 6" 6' 6" 4' 4" 5' 3" 5' 3" 3' 7" 4' 4" 4' 4" 3' 0" 362S ' 0" 27' 4" 23' " 9' " 8' 8" 5' 9" 6' 6" 6' 6" 4' 4" 4' 9" 4' 9" 3' 3" 3' 6" 3' 6" 2' 6" 2' 6" 2' 6" ' 0" ' 8" ' 8" ' 4" 362S ' 7" 37' 0" 33' " 26' " 25' 0" 2' 9" 23' 4" 23' 4" 9' 9" 20' 0" 20' 0" 8' 4" 9' 0" 9' 0" 7' 3" 7' 7" 7' 7" 6' 5" 6' 6" 6' 6" 5' 8" 362S ' 4" 34' 5" 30' 0" 23' 4" 23' 4" 9' 9" 20' 2" 20' 2" 8' 0" 8' " 8' " 6' 8" 6' 6" 6' 6" 5' 8" 5' 3" 5' 3" 4' " 4' 3" 4' 3" 4' 3" 362S ' " 30' 0" 26' 3" 9' 0" 9' 0" 7' 3" 6' 6" 6' 6" 5' 8" 4' 9" 4' 9" 4' 7" 3' 4" 3' 4" 3' 4" 2' 2" 2' 2" 2' 2" ' 3" ' 3" ' 3" 362S ' 4" 37' 7" 32' 0" 29' 4" 25' 8" 2' 8" 26' 8" 23' 4" 9' 8" 24' 2" 2' 8" 8' 3" 22' " 20' 4" 7' 2" 20' 5" 9' 4" 6' 4" 9' 2" 8' 6" 5' 7" 362S ' 0" 34' 2" 29' 0" 26' 8" 23' 4" 9' 8" 23' 5" 2' 2" 7' 0" 2' 0" 9' 8" 6' 7" 9' 2" 8' 6" 5' 7" 7' 9" 7' 7" 4' 0" 6' 7" 6' 7" 4' 2" 362S ' 7" 29' 0" 26' " 22' " 20' 4" 7' 2" 9' 2" 8' 6" 5' 7" 7' " 7' " 4' 6" 5' 7" 5' 7" 3' 8" 4' 6" 4' 6" 2' " 3' 6" 3' 6" 2' 5" 362S ' " 42' 0" 36' 8" 32' 0" 28' 8" 24' 2" 28' 0" 26' 0" 2' " 25' 4" 24' 2" 20' 5" 22' 8" 22' 8" 9' 2" 20' 7" 20' 7" 8' 3" 8' " 8' " 7' 5" 362S ' " 38' 2" 33' 4" 28' 0" 26' 0" 2' " 24' 4" 23' 8" 9' " 2' 3" 2' 3" 8' 6" 8' " 8' " 7' 5" 7' " 7' " 6' 7" 5' 7" 5' 7" 5' 7" 362S ' 7" 33' 4" 29' " 22' 8" 22' 8" 9' 2" 8' " 8' " 7' 5" 6' 4" 6' 4" 6' 2" 4' 5" 4' 5" 4' 5" 2' 0" 2' 0" 2' 0" ' 8" ' 8" ' 8" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

41 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 9" 4' 0" 36' 7" 32' 8" 28' 7" 24' " 29' 8" 25' " 2' 0" 27' 7" 24' " 20' 4" 25' " 22' 8" 9' " 24' 8" 2' 6" 8' 2" 23' " 20' 7" 7' 4" 362S ' " 38' 0" 33' 3" 29' 8" 25' " 2' 0" 27' 0" 23' 7" 9' 0" 25' 0" 2' 0" 8' 5" 23' " 20' 7" 7' 4" 2' " 9' 7" 6' 6" 9' 6" 8' 8" 5' 9" 362S ' 0" 33' 3" 29' 0" 25' " 22' 8" 9' " 23' " 20' 7" 7' 4" 20' 3" 9' " 6' " 8' 2" 8' 0" 5' 2" 6' 6" 6' 6" 4' 5" 5' " 5' " 3' 9" 400S ' 9" 26' 9" 23' 4" 5' 5" 5' 5" 5' 4" 3' 5" 3' 5" 3' 5" 2' 0" 2' 0" 2' 0" 0' " e 0' " e 0' " e 0' " e 0' " e 0' " e 9' 6" e 9' 6" e 9' 6" e 400S ' 2" 23' 2" 2' 2" 3' 5" 3' 5" 3' 5" ' 7" ' 7" ' 7" 0' 4" e 0' 4" e 0' 4" e 9' 6" e 9' 6" e 9' 6" e 8' 9" e 8' 9" e 8' 9" e 8' 2" e 8' 2" e 8' 2" e 400S ' " 8' " 8' 6" 0' " e 0' " e 0' " e 9' 6" e 9' 6" e 9' 6" e 8' 6" e 8' 6" e 8' 6" e 7' 9" e 7' 9" e 7' 9" e 7' 2" e 7' 2" e 7' 2" e 6' 8" e 6' 8" e 6' 8" e 400S ' 6" 29' " 25' 5" 8' 2" 8' 2" 6' 9" 5' 9" 5' 9" 5' 2" 4' " 4' " 4' " 2' 0" 2' 0" 2' 0" ' " ' " ' " ' 2" ' 2" ' 2" 400S ' 3" 26' 5" 23' " 5' 9" 5' 9" 5' 2" 3' 8" 3' 8" 3' 8" 2' 2" 2' 2" 2' 2" ' 2" ' 2" ' 2" 0' 4" 0' 4" 0' 4" 9' 8" 9' 8" 9' 8" 400S ' 3" 22' 3" 20' 2" 2' 0" 2' 0" 2' 0" ' 2" ' 2" ' 2" 0' 0" 0' 0" 0' 0" 9' " 9' " 9' " 8' 5" e 8' 5" e 8' 5" e 7' 0" e 7' 0" e 7' 0" e 400S ' 3" 3' " 27' 2" 20' 4" 20' 4" 7' " 7' 8" 7' 8" 6' 3" 5' 9" 5' 9" 5' " 4' 5" 4' 5" 4' 3" 3' 4" 3' 4" 3' 4" 2' 6" 2' 6" 2' 6" 400S ' 7" 28' 3" 24' 8" 7' 8" 7' 8" 6' 3" 5' 3" 5' 3" 4' 9" 3' 8" 3' 8" 3' 8" 2' 6" 2' 6" 2' 6" ' 7" ' 7" ' 7" 0' 0" 0' 0" 0' 0" 400S ' " 24' 8" 2' 7" 4' 5" 4' 5" 4' 3" 2' 6" 2' 6" 2' 6" ' 2" ' 2" ' 2" 0' 2" 0' 2" 0' 2" 9' 5" 9' 5" 9' 5" 8' 0" 8' 0" 8' 0" 400S ' 2" 3' " 27' 2" 24' 4" 2' 3" 7' " 2' 2" 9' 3" 6' 3" 8' " 7' " 5' " 7' 3" 6' 0" 4' 3" 6' 0" 6' 0" 3' 6" 5' 0" 5' 0" 2' " 400S ' 7" 28' 3" 24' 8" 2' 2" 9' 3" 6' 3" 8' 4" 7' 6" 4' 9" 6' 5" 6' 3" 3' 9" 5' 0" 5' 0" 2' " 3' 0" 3' 0" 2' 3" 3' 0" 3' 0" ' 9" 400S ' " 24' 8" 2' 7" 7' 3" 6' 0" 4' 3" 5' 0" 5' 0" 2' " 3' 5" 3' 5" 2' 0" 2' 3" 2' 3" ' 3" ' 4" ' 4" 0' 9" 0' 7" 0' 7" 0' 3" 400S ' 6" 33' 3" 29' " 22' 0" 22' 8" 9' 2" 9' 9" 9' 9" 7' 5" 7' 8" 7' 8" 6' 2" 6' " 6' " 5' 2" 4' " 4' " 4' 5" 4' 0" 4' 0" 3' 0" 400S ' 2" 30' 3" 26' 5" 9' 9" 9' 9" 7' 5" 7' " 7' " 5' 0" 5' 4" 5' 4" 4' 8" 4' 0" 4' 0" 3' 0" 2' " 2' " 2' " 2' " 2' " 2' " 400S ' " 26' 5" 23' " 6' " 6' " 5' 2" 4' 0" 4' 0" 3' 0" 2' 6" 2' 6" 2' 6" ' 5" ' 5" ' 5" 0' 7" 0' 7" 0' 7" 9' 0" 9' 0" 9' 0" 400S ' " 33' 3" 29' " 26' 0" 22' 8" 9' 2" 23' 7" 20' 7" 7' 5" 2' 6" 9' 2" 6' 2" 9' 8" 8' 0" 5' 2" 8' 2" 7' " 4' 5" 7' 0" 6' 4" 3' 0" 400S ' " 30' 3" 26' 5" 23' 7" 20' 7" 7' 5" 20' 0" 8' 9" 5' 0" 8' 8" 7' 5" 4' 8" 7' 0" 6' 4" 3' 0" 5' 9" 5' 7" 3' " 4' 9" 4' 9" 2' 7" 400S ' 3" 26' 5" 23' " 9' 8" 8' 0" 5' 2" 7' 0" 6' 4" 3' 0" 5' 3" 5' 2" 2' 0" 3' " 3' " 2' " 2' 0" 2' 0" ' 5" 2' 0" 2' 0" 0' " 400S ' 8" 28' 0" 24' 5" 6' 7" 6' 7" 6' " 4' 4" 4' 4" 4' 4" 2' 0" 2' 0" 2' 0" ' 8" e ' 8" e ' 8" e 0' 0" e 0' 0" e 0' 0" e 0' 2" e 0' 2" e 0' 2" e 400S ' 0" 24' 0" 22' 2" 4' 4" 4' 4" 4' 4" 2' 5" e 2' 5" e 2' 5" e ' " e ' " e ' " e 0' 2" e 0' 2" e 0' 2" e 9' 5" e 9' 5" e 9' 5" e 8' 9" e 8' 9" e 8' 9" e 400S ' 3" 20' 3" 9' 5" ' 8" e ' 8" e ' 8" e 0' 2" e 0' 2" e 0' 2" e 9' " e 9' " e 9' " e 8' 3" e 8' 3" e 8' 3" e 7' 8" e 7' 8" e 7' 8" e 7' 2" e 7' 2" e 7' 2" e 400S ' 0" 30' 5" 26' 7" 9' 7" 9' 7" 7' 6" 6' " 6' " 5' " 5' 2" 5' 2" 4' 9" 3' 0" 3' 0" 3' 0" 2' 0" 2' 0" 2' 0" 2' 0" 2' 0" 2' 0" 400S ' 4" 27' 8" 24' 2" 6' " 6' " 5' " 4' 8" 4' 8" 4' 5" 3' " 3' " 3' " 2' 0" 2' 0" 2' 0" ' " ' " ' " 0' 4" e 0' 4" e 0' 4" e 400S ' " 23' " 2' " 3' 0" 3' 0" 3' 0" 2' 0" 2' 0" 2' 0" 0' 8" 0' 8" 0' 8" 9' 9" e 9' 9" e 9' 9" e 9' " e 9' " e 9' " e 8' 6" e 8' 6" e 8' 6" e 400S ' " 32' 7" 28' 6" 2' " 2' " 8' 9" 9' 0" 9' 0" 7' " 7' 0" 7' 0" 5' 0" 5' 6" 5' 6" 4' " 4' 4" 4' 4" 4' 2" 3' 5" 3' 5" 3' 5" 400S ' 0" 29' 8" 25' " 9' 0" 9' 0" 7' " 6' 5" 6' 5" 5' 6" 4' 8" 4' 8" 4' 5" 3' 5" 3' 5" 3' 5" 2' 5" 2' 5" 2' 5" ' 7" ' 7" ' 7" 400S ' 0" 25' " 22' 7" 5' 6" 5' 6" 4' " 3' 5" 3' 5" 3' 5" 2' 0" 2' 0" 2' 0" 0' " 0' " 0' " 0' 2" 0' 2" 0' 2" 9' 6" 9' 6" 9' 6" 400S ' " 32' 7" 28' 6" 25' 6" 22' 3" 8' 9" 22' 9" 20' 3" 7' " 20' 4" 8' 9" 5' 0" 8' 7" 7' 8" 4' " 7' 2" 6' 9" 4' 2" 6' " 6' " 3' 6" 400S ' 4" 29' 8" 25' " 22' 9" 20' 3" 7' " 9' 8" 8' 4" 5' 6" 7' 7" 7' " 4' 5" 6' " 6' " 3' 6" 4' " 4' " 2' 0" 3' " 3' " 2' 4" 400S ' 2" 25' " 22' 7" 8' 7" 7' 8" 4' " 6' " 6' " 3' 6" 4' 4" 4' 4" 2' 7" 3' " 3' " ' 0" 2' 2" 2' 2" ' 3" ' 4" ' 4" 0' 9" 400S ' 5" 34' " 30' 6" 24' 6" 23' 0" 20' " 2' 3" 2' 3" 8' 3" 9' 0" 9' 0" 6' " 7' 4" 7' 4" 5' " 6' " 6' " 5' 2" 5' 0" 5' 0" 4' 6" 400S ' 9" 3' 9" 27' 9" 2' 3" 2' 3" 8' 3" 8' 5" 8' 5" 6' 7" 6' 5" 6' 5" 5' 5" 5' 0" 5' 0" 4' 6" 3' " 3' " 3' 9" 3' 0" 3' 0" 3' 0" 400S ' 0" 27' 9" 24' 2" 7' 4" 7' 4" 5' " 5' 0" 5' 0" 4' 6" 3' 5" 3' 5" 3' 5" 2' 3" 2' 3" 2' 3" ' 4" ' 4" ' 4" 0' 7" 0' 7" 0' 7" 400S ' 0" 34' " 30' 6" 27' 3" 23' 0" 20' " 24' 9" 2' 8" 8' 3" 23' 0" 20' " 6' " 2' 2" 8' " 5' " 9' 7" 7' " 5' 2" 8' 4" 7' 2" 4' 6" 400S ' 0" 3' 9" 27' 9" 24' 9" 2' 8" 8' 3" 22' 5" 9' 8" 6' 7" 20' " 8' 3" 5' 5" 8' 4" 7' 2" 4' 6" 6' " 6' 4" 3' 9" 5' 0" 5' 7" 3' 2" 400S ' " 27' 9" 24' 2" 2' 2" 8' " 5' " 8' 4" 7' 2" 4' 6" 6' 5" 5' " 3' 5" 4' " 4' " 2' 8" 3' 0" 3' 0" 2' 0" 2' " 2' " ' 6" 400S ' 7" 38' 7" 33' 8" 28' 5" 26' 4" 22' 2" 24' 8" 23' " 20' 2" 22' 0" 22' 0" 8' 9" 20' " 20' " 7' 7" 8' 7" 8' 7" 6' 9" 7' 5" 7' 5" 6' 0" 400S ' 8" 35' 0" 30' 7" 24' 8" 23' " 20' 2" 2' 4" 2' 4" 8' 4" 9' " 9' " 7' 0" 7' 5" 7' 5" 6' 0" 6' " 6' " 5' 2" 5' " 5' " 4' 6" 400S ' 0" 30' 7" 26' 9" 20' " 20' " 7' 7" 7' 5" 7' 5" 6' 0" 5' 7" 5' 7" 4' 0" 4' 3" 4' 3" 4' 0" 3' 2" 3' 2" 3' 2" 2' 4" 2' 4" 2' 4" 400S ' 7" 38' 7" 33' 8" 30' " 26' 4" 22' 2" 27' 4" 23' " 20' 2" 25' 5" 22' 2" 8' 9" 23' " 20' " 7' 7" 22' 8" 9' 0" 6' 9" 2' 5" 9' 0" 6' 0" 400S ' 2" 35' 0" 30' 7" 27' 4" 23' " 20' 2" 24' 0" 2' 9" 8' 4" 23' " 20' 2" 7' 0" 2' 5" 9' 0" 6' 0" 9' 0" 8' 0" 5' 2" 8' 7" 7' 3" 4' 6" 400S ' 7" 30' 7" 26' 9" 23' " 20' " 7' 7" 2' 5" 9' 0" 6' 0" 9' 2" 7' 7" 4' 0" 7' 6" 6' 7" 4' 0" 6' 2" 5' 9" 3' 3" 5' 2" 5' " 2' 8" 400S ' " 29' 5" 25' 8" 7' 4" 7' 4" 6' " 5' 0" 5' 0" 5' 0" 3' 5" e 3' 5" e 3' 5" e 2' 3" e 2' 3" e 2' 3" e ' 4" e ' 4" e ' 4" e 0' 8" e 0' 8" e 0' 8" e 400S ' " 26' " 23' 4" 5' 0" 5' 0" 5' 0" 3' 0" e 3' 0" e 3' 0" e ' 8" e ' 8" e ' 8" e 0' 8" e 0' 8" e 0' 8" e 9' 0" e 9' 0" e 9' 0" e 9' 2" e 9' 2" e 9' 2" e 400S ' 3" 2' 3" 20' 5" 2' 3" e 2' 3" e 2' 3" e 0' 8" e 0' 8" e 0' 8" e 9' 6" e 9' 6" e 9' 6" e 8' 8" e 8' 8" e 8' 8" e 8' 0" e 8' 0" e 8' 0" e 7' 6" e 7' 6" e 7' 6" e 400S ' 3" 32' " 28' " 20' " 20' " 8' 6" 8' " 8' " 6' 9" 6' 2" 6' 2" 5' 7" 4' 9" 4' 9" 4' 8" 3' 8" 3' 8" 3' 8" 2' 0" 2' 0" 2' 0" 400S ' 4" 29' 2" 25' 6" 8' " 8' " 6' 9" 5' 8" 5' 8" 5' 3" 4' 0" 4' 0" 4' 0" 2' 0" 2' 0" 2' 0" ' 0" e ' 0" e ' 0" e ' " e ' " e ' " e 400S ' 7" 25' 6" 22' 3" 4' 9" 4' 9" 4' 8" 2' 0" 2' 0" 2' 0" ' 5" e ' 5" e ' 5" e 0' 5" e 0' 5" e 0' 5" e 9' 8" e 9' 8" e 9' 8" e 9' " e 9' " e 9' " e 400S ' 3" 34' 5" 30' " 23' 0" 23' 6" 9' 0" 20' 7" 20' 7" 8' 0" 8' 5" 8' 5" 6' 9" 6' 0" 6' 0" 5' 9" 5' 7" 5' 7" 4' " 4' 7" 4' 7" 4' 3" 400S ' 8" 3' 3" 27' 4" 20' 7" 20' 7" 8' 0" 7' 0" 7' 0" 6' 4" 6' 0" 6' 0" 5' 2" 4' 7" 4' 7" 4' 3" 3' 6" 3' 6" 3' 6" 2' 7" 2' 7" 2' 7" 400S ' 2" 27' 4" 23' " 6' 0" 6' 0" 5' 9" 4' 7" 4' 7" 4' 3" 3' 0" 3' 0" 3' 0" ' " ' " ' " ' 0" ' 0" ' 0" 0' 4" 0' 4" 0' 4" 400S ' 5" 34' 5" 30' " 26' " 23' 6" 9' 0" 23' " 2' 4" 8' 0" 2' 4" 9' 0" 6' 9" 9' 6" 8' 8" 5' 9" 8' " 7' 9" 4' " 6' " 6' " 4' 3" 400S ' 5" 3' 3" 27' 4" 23' " 2' 4" 8' 0" 20' 8" 9' 5" 6' 4" 8' 6" 8' 0" 5' 2" 6' " 6' " 4' 3" 5' 8" 5' 8" 3' 7" 4' 7" 4' 7" 3' 0" 400S ' 9" 27' 4" 23' " 9' 6" 8' 8" 5' 9" 6' " 6' " 4' 3" 5' " 5' " 3' 3" 3' 9" 3' 9" 2' 6" 2' 9" 2' 9" ' 0" ' " ' " ' 4" 400S ' " 36' " 32' 3" 26' 8" 25' 2" 2' 3" 23' " 22' 0" 9' 3" 20' 8" 20' 8" 7' " 8' 0" 8' 0" 6' 0" 7' 5" 7' 5" 6' 0" 6' 4" 6' 4" 5' 4" 400S ' " 33' 6" 29' 3" 23' " 22' 0" 9' 3" 20' 0" 20' 0" 7' 6" 7' 0" 7' 0" 6' 3" 6' 4" 6' 4" 5' 4" 5' " 5' " 4' 7" 4' " 4' " 3' " 400S ' 7" 29' 3" 25' 7" 8' 0" 8' 0" 6' 0" 6' 4" 6' 4" 5' 4" 4' 7" 4' 7" 4' 3" 3' 4" 3' 4" 3' 4" 2' 4" 2' 4" 2' 4" ' 6" ' 6" ' 6" 400S ' 6" 36' " 32' 3" 28' 0" 25' 2" 2' 3" 26' 2" 22' 0" 9' 3" 24' 4" 2' 3" 7' " 22' 9" 20' 0" 6' 0" 2' 0" 9' 0" 6' 0" 9' 8" 8' 2" 5' 4" 400S ' 3" 33' 6" 29' 3" 26' 2" 22' 0" 9' 3" 23' 9" 20' 9" 7' 6" 2' 7" 9' 3" 6' 3" 9' 8" 8' 2" 5' 4" 8' 3" 7' 3" 4' 7" 7' " 6' 6" 3' " 400S ' " 29' 3" 25' 7" 22' 9" 20' 0" 6' 0" 9' 8" 8' 2" 5' 4" 7' 7" 6' 0" 4' 3" 6' " 5' 0" 3' 5" 4' " 4' " 2' 8" 3' " 3' " 2' 2" 400S ' 6" 40' 0" 35' 8" 3' 0" 27' 0" 23' 6" 26' 0" 25' 4" 2' 4" 24' 0" 23' 6" 9' 0" 2' " 2' " 8' 8" 20' 4" 20' 4" 7' 9" 9' 0" 9' 0" 6' " 400S ' 6" 37' " 32' 5" 26' 0" 25' 4" 2' 4" 23' 3" 23' 0" 9' 5" 20' 0" 20' 0" 8' 0" 9' 0" 9' 0" 6' " 7' 7" 7' 7" 6' " 6' 5" 6' 5" 5' 5" 400S ' 0" 32' 5" 28' 4" 2' " 2' " 8' 8" 9' 0" 9' 0" 6' " 7' 0" 7' 0" 5' 9" 5' 6" 5' 6" 4' 0" 4' 4" 4' 4" 4' " 3' 5" 3' 5" 3' 5" See Curtain Wall Limiting Heights Table Notes on page 35. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 39

42 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 6" 40' 0" 35' 8" 3' " 27' 0" 23' 6" 29' 0" 25' 4" 2' 4" 26' " 23' 6" 9' 0" 25' 4" 22' " 8' 8" 24' " 2' 0" 7' 9" 23' 0" 20' " 6' " 400S ' 9" 37' " 32' 5" 29' 0" 25' 4" 2' 4" 26' 4" 23' 0" 9' 5" 24' 5" 2' 4" 8' 0" 23' 0" 20' " 6' " 2' 8" 9' " 6' " 20' 3" 8' 3" 5' 5" 400S ' 0" 32' 5" 28' 4" 25' 4" 22' " 8' 8" 23' 0" 20' " 6' " 20' " 8' 8" 5' 9" 9' " 7' 7" 4' 0" 7' 8" 6' 8" 4' " 6' 6" 5' " 3' 5" 400S ' " 30' 7" 26' 9" 7' " 7' " 7' 7" 5' 7" 5' 7" 5' 7" 3' " e 3' " e 3' " e 2' 8" e 2' 8" e 2' 8" e ' 9" e ' 9" e ' 9" e ' 0" e ' 0" e ' 0" e 400S ' " 26' " 24' 3" 5' 7" 5' 7" 5' 7" 3' 6" e 3' 6" e 3' 6" e 2' 0" e 2' 0" e 2' 0" e ' 0" e ' 0" e ' 0" e 0' 2" e 0' 2" e 0' 2" e 9' 6" e 9' 6" e 9' 6" e 400S ' 0" 22' 0" 2' 2" 2' 8" e 2' 8" e 2' 8" e ' 0" e ' 0" e ' 0" e 9' 0" e 9' 0" e 9' 0" e 9' 0" e 9' 0" e 9' 0" e 8' 4" e 8' 4" e 8' 4" e 7' 9" e 7' 9" e 7' 9" e 400S ' " 33' 0" 29' 7" 2' 5" 2' 5" 9' 6" 8' 7" 8' 7" 7' 8" 6' 7" 6' 7" 6' 5" 5' 2" 5' 2" 5' 2" 4' 0" 4' 0" 4' 0" 3' " 3' " 3' " 400S ' 2" 30' 9" 26' 0" 8' 7" 8' 7" 7' 8" 6' " 6' " 6' " 4' 4" 4' 4" 4' 4" 3' " 3' " 3' " 2' 2" e 2' 2" e 2' 2" e ' 4" e ' 4" e ' 4" e 400S ' 3" 26' 3" 23' 5" 5' 2" 5' 2" 5' 2" 3' " 3' " 3' " ' 9" e ' 9" e ' 9" e 0' 9" e 0' 9" e 0' 9" e 9' " e 9' " e 9' " e 9' 3" e 9' 3" e 9' 3" e 400S ' 2" 36' 4" 3' 8" 24' 4" 24' 4" 20' " 2' " 2' " 9' 0" 8' 0" 8' 0" 7' 7" 7' 3" 7' 3" 6' 7" 5' " 5' " 5' 9" 4' " 4' " 4' " 400S ' 7" 33' 0" 28' 0" 2' " 2' " 9' 0" 8' 3" 8' 3" 7' 3" 6' 4" 6' 4" 6' 0" 4' " 4' " 4' " 3' 0" 3' 0" 3' 0" 2' " 2' " 2' " 400S ' 0" 28' 0" 25' 2" 7' 3" 7' 3" 6' 7" 4' " 4' " 4' " 3' 4" 3' 4" 3' 4" 2' 2" 2' 2" 2' 2" ' 3" ' 3" ' 3" 0' 7" e 0' 7" e 0' 7" e 400S ' 7" 36' 2" 3' 7" 28' 3" 24' 8" 20' 0" 24' 5" 22' 5" 8' " 2' 0" 20' 0" 7' 7" 20' 0" 9' 7" 6' 6" 8' 6" 8' 6" 5' 8" 7' 3" 7' 3" 5' 0" 400S ' 5" 32' 0" 28' 8" 24' 5" 22' 5" 8' " 2' 2" 20' 4" 7' 2" 8' " 8' " 5' " 7' 3" 7' 3" 5' 0" 6' 0" 6' 0" 4' 3" 5' 0" 5' 0" 3' 8" 400S ' 7" 28' 8" 25' " 20' 0" 9' 7" 6' 6" 7' 3" 7' 3" 5' 0" 5' 6" 5' 6" 3' " 4' " 4' " 3' " 3' " 3' " 2' 5" 2' 3" 2' 3" ' " 400S ' 0" 38' " 34' 0" 28' 0" 26' 7" 22' 5" 25' 0" 24' " 20' 4" 22' 4" 22' 4" 8' " 20' 5" 20' 5" 7' 9" 8' " 8' " 6' " 7' 8" 7' 8" 6' 2" 400S ' 3" 35' 4" 30' " 25' 0" 24' " 20' 4" 2' 8" 2' 8" 8' 6" 9' 4" 9' 4" 7' 2" 7' 8" 7' 8" 6' 2" 6' 4" 6' 4" 5' 4" 5' 4" 5' 4" 4' 8" 400S ' 4" 30' " 27' 0" 20' 5" 20' 5" 7' 9" 7' 8" 7' 8" 6' 2" 5' 0" 5' 0" 5' 0" 4' 5" 4' 5" 4' " 3' 4" 3' 4" 3' 4" 2' 6" 2' 6" 2' 6" 400S ' 0" 38' " 34' 0" 30' 5" 26' 7" 22' 5" 27' 7" 24' " 20' 4" 25' 3" 22' 5" 8' " 23' " 2' " 7' 9" 2' 4" 20' 0" 6' " 20' 0" 9' 2" 6' 2" 400S ' 7" 35' 4" 30' " 27' 7" 24' " 20' 4" 24' 6" 2' " 8' 6" 2' " 20' 4" 7' 2" 20' 0" 9' 2" 6' 2" 8' 6" 8' 2" 5' 4" 7' 4" 7' 4" 4' 8" 400S ' " 30' " 27' 0" 23' " 2' " 7' 9" 20' 0" 9' 2" 6' 2" 7' " 7' 9" 5' 0" 6' 4" 6' 4" 4' " 5' " 5' " 3' 5" 4' 2" 4' 2" 2' 0" 400S ' 4" 43' 2" 37' 8" 33' 8" 29' 5" 24' 0" 29' 2" 26' 9" 22' 7" 26' " 24' 0" 20' " 23' 0" 23' 4" 9' 8" 22' " 22' " 8' 9" 20' 7" 20' 7" 7' " 400S ' 5" 39' 3" 34' 3" 29' 2" 26' 9" 22' 7" 25' 3" 24' 4" 20' 6" 22' 7" 22' 7" 9' 0" 20' 7" 20' 7" 7' " 9' " 9' " 7' 0" 7' 0" 7' 0" 6' 3" 400S ' 3" 34' 3" 29' " 23' 0" 23' 4" 9' 8" 20' 7" 20' 7" 7' " 8' 5" 8' 5" 6' 7" 6' 8" 6' 8" 5' 8" 5' " 5' " 4' 0" 3' 0" 3' 0" 3' 0" 400S ' 4" 43' 2" 37' 8" 33' 8" 29' 5" 24' 0" 30' 7" 26' 9" 22' 7" 28' 5" 24' 0" 20' " 26' 9" 23' 4" 9' 8" 25' 5" 22' 2" 8' 9" 24' 4" 2' 3" 7' " 400S ' 5" 39' 3" 34' 3" 30' 7" 26' 9" 22' 7" 27' 0" 24' 4" 20' 6" 25' 0" 22' 7" 9' 0" 24' 4" 2' 3" 7' " 23' " 20' 2" 7' 0" 22' 0" 9' 3" 6' 3" 400S ' 2" 34' 3" 29' " 26' 9" 23' 4" 9' 8" 24' 4" 2' 3" 7' " 22' 7" 9' 8" 6' 7" 20' 9" 8' 7" 5' 8" 9' " 7' 7" 4' 0" 7' 7" 6' 0" 4' 3" 400S ' 8" 3' 6" 27' 6" 8' 4" 8' 4" 8' 2" 5' 0" 5' 0" 5' 0" 4' 2" e 4' 2" e 4' 2" e 2' " e 2' " e 2' " e 2' 0" e 2' 0" e 2' 0" e ' 2" e ' 2" e ' 2" e 400S ' 5" 27' 5" 25' 0" 5' 0" 5' 0" 5' 0" 3' 9" e 3' 9" e 3' 9" e 2' 3" e 2' 3" e 2' 3" e ' 2" e ' 2" e ' 2" e 0' 4" e 0' 4" e 0' 4" e 9' 8" e 9' 8" e 9' 8" e 400S ' 5" 22' 5" 2' 0" 2' " e 2' " e 2' " e ' 2" e ' 2" e ' 2" e 0' 0" e 0' 0" e 0' 0" e 9' 2" e 9' 2" e 9' 2" e 8' 6" e 8' 6" e 8' 6" e 7' " e 7' " e 7' " e 400S ' 6" 35' 0" 30' 7" 2' 8" 2' 8" 20' 2" 8' 9" 8' 9" 8' 3" 6' 9" 6' 9" 6' 9" 5' 4" 5' 4" 5' 4" 4' 2" 4' 2" 4' 2" 3' 3" 3' 3" 3' 3" 400S ' 6" 3' 9" 27' 9" 8' 9" 8' 9" 8' 3" 6' 3" 6' 3" 6' 3" 4' 6" 4' 6" 4' 6" 3' 3" 3' 3" 3' 3" 2' 3" e 2' 3" e 2' 3" e ' 6" e ' 6" e ' 6" e 400S ' 6" 26' 6" 24' 3" 5' 4" 5' 4" 5' 4" 3' 3" 3' 3" 3' 3" ' 0" e ' 0" e ' 0" e 0' 0" e 0' 0" e 0' 0" e 0' 0" e 0' 0" e 0' 0" e 9' 4" e 9' 4" e 9' 4" e 400S ' " 37' 0" 33' " 24' 0" 24' 0" 2' 9" 2' 6" 2' 6" 9' 0" 9' 3" 9' 3" 8' 4" 7' 7" 7' 7" 7' 3" 6' 3" 6' 3" 6' 3" 5' 3" 5' 3" 5' 3" 400S ' 3" 34' 5" 30' " 2' 6" 2' 6" 9' 0" 8' 8" 8' 8" 8' 0" 6' 8" 6' 8" 6' 8" 5' 3" 5' 3" 5' 3" 4' " 4' " 4' " 3' 2" 3' 2" 3' 2" 400S ' 5" 30' " 26' 3" 7' 7" 7' 7" 7' 3" 5' 3" 5' 3" 5' 3" 3' 7" 3' 7" 3' 7" 2' 5" 2' 5" 2' 5" ' 6" ' 6" ' 6" 0' 9" e 0' 9" e 0' 9" e 400S ' 9" 37' " 32' 5" 28' 7" 25' 3" 2' 4" 24' 9" 23' 0" 9' 5" 22' 2" 2' 4" 8' 0" 20' 3" 20' " 6' " 8' 9" 8' 9" 6' " 7' 6" 7' 6" 5' 5" 400S ' 5" 33' 8" 29' 5" 24' 9" 23' 0" 9' 5" 2' 5" 20' " 7' 7" 9' 2" 9' 2" 6' 4" 7' 6" 7' 6" 5' 5" 6' 3" 6' 3" 4' 7" 5' 2" 5' 2" 4' 0" 400S ' 0" 29' 5" 25' 8" 20' 3" 20' " 6' " 7' 6" 7' 6" 5' 5" 5' 8" 5' 8" 4' 3" 4' 4" 4' 4" 3' 5" 3' 3" 3' 3" 2' 9" 2' 5" 2' 5" 2' 3" 400S ' 8" 40' 9" 35' 7" 28' 8" 27' 9" 23' 5" 24' 0" 24' 0" 2' 4" 22' 2" 22' 2" 9' 9" 20' 3" 20' 3" 8' 7" 8' 9" 8' 9" 7' 8" 7' 7" 7' 7" 6' " 400S ' 0" 37' 0" 32' 4" 24' 0" 24' 0" 2' 4" 2' 6" 2' 6" 9' 4" 9' 3" 9' 3" 8' 0" 7' 7" 7' 7" 6' " 6' 3" 6' 3" 6' " 5' 2" 5' 2" 5' 2" 400S ' " 32' 4" 28' 3" 20' 3" 20' 3" 8' 7" 7' 7" 7' 7" 6' " 5' 8" 5' 8" 5' 8" 4' 4" 4' 4" 4' 4" 3' 3" 3' 3" 3' 3" 2' 5" 2' 5" 2' 5" 400S ' 0" 40' 5" 35' 4" 3' 7" 27' 7" 23' 3" 28' 8" 25' " 2' 2" 25' 9" 23' 3" 9' 8" 23' 6" 2' " 8' 6" 2' 9" 20' 0" 7' 7" 20' 4" 9' " 6' 9" 400S ' 4" 36' 9" 32' " 28' 8" 25' " 2' 2" 24' " 22' 9" 9' 3" 22' 4" 2' 2" 7' 0" 20' 4" 9' " 6' 9" 8' 0" 8' 0" 5' " 7' 8" 7' 8" 5' 3" 400S ' 5" 32' " 28' " 23' 6" 2' " 8' 6" 20' 4" 9' " 6' 9" 8' 3" 8' 3" 5' 7" 6' 8" 6' 8" 4' 8" 5' 5" 5' 5" 3' " 4' 5" 4' 5" 3' 4" 400S ' 0" 45' 3" 39' 6" 35' 4" 30' 0" 26' 0" 3' 4" 28' 0" 23' 8" 28' 0" 26' 0" 2' " 25' 7" 24' 6" 20' 8" 23' 5" 23' 3" 9' 7" 2' 9" 2' 9" 8' 9" 400S ' 9" 4' " 35' " 3' 4" 28' 0" 23' 8" 27' " 25' 6" 2' 6" 24' " 23' 8" 9' " 2' 9" 2' 9" 8' 9" 9' 0" 9' 0" 7' 0" 8' 4" 8' 4" 7' " 400S ' 3" 35' " 3' 4" 25' 7" 24' 6" 20' 8" 2' 9" 2' 9" 8' 9" 9' 0" 9' 0" 7' 5" 7' 0" 7' 0" 6' 5" 5' 5" 5' 5" 5' 5" 4' 2" 4' 2" 4' 2" 400S ' 9" 45' " 39' 4" 35' 2" 30' 9" 25' " 32' 0" 27' " 23' 7" 29' 8" 25' " 2' 0" 27' " 24' 5" 20' 7" 26' 6" 23' 2" 9' 7" 25' 5" 22' 2" 8' 8" 400S ' 7" 40' " 35' 9" 32' 0" 27' " 23' 7" 29' " 25' 5" 2' 5" 27' 0" 23' 7" 9' 0" 25' 5" 22' 2" 8' 8" 23' 7" 2' " 7' 9" 2' " 20' 2" 7' 0" 400S ' " 35' 9" 3' 3" 27' " 24' 5" 20' 7" 25' 5" 22' 2" 8' 8" 22' 9" 20' 7" 7' 4" 20' 6" 9' 4" 6' 4" 8' 0" 8' 5" 5' 6" 7' 5" 7' 5" 4' 0" 550S ' 2" 34' 2" 3' 4" 9' 9" 9' 9" 9' 9" 7' " e 7' " e 7' " e 5' 3" e 5' 3" e 5' 3" e 3' " e 3' " e 3' " e 2' " e 2' " e 2' " e 2' " e 2' " e 2' " e 550S ' 7" 29' 7" 28' 6" 7' " e 7' " e 7' " e 4' 0" e 4' 0" e 4' 0" e 3' 3" e 3' 3" e 3' 3" e 2' " e 2' " e 2' " e ' 2" e ' 2" e ' 2" e 0' 6" e 0' 6" e 0' 6" e 550S ' 2" 24' 2" 24' 2" 3' " e 3' " e 3' " e 2' " e 2' " e 2' " e 0' 0" e 0' 0" e 0' 0" e 9' 0" e 9' 0" e 9' 0" e 9' 2" e 9' 2" e 9' 2" e 8' 7" e 8' 7" e 8' 7" e 550S ' 0" 39' " 34' " 23' 7" 23' 7" 22' 6" 20' 5" 20' 5" 20' 5" 8' 3" 8' 3" 8' 3" 6' 8" 6' 8" 6' 8" 5' 5" e 5' 5" e 5' 5" e 4' 5" e 4' 5" e 4' 5" e 550S ' 4" 35' 4" 3' 0" 20' 5" 20' 5" 20' 5" 7' 8" 7' 8" 7' 8" 5' 0" e 5' 0" e 5' 0" e 4' 5" e 4' 5" e 4' 5" e 3' 4" e 3' 4" e 3' 4" e 2' 6" e 2' 6" e 2' 6" e 550S ' " 28' " 27' " 6' 8" 6' 8" 6' 8" 4' 5" e 4' 5" e 4' 5" e 2' " e 2' " e 2' " e ' 9" e ' 9" e ' 9" e 0' " e 0' " e 0' " e 0' 3" e 0' 3" e 0' 3" e 550S ' 2" 4' " 36' 7" 27' 3" 27' 3" 24' " 23' 7" 23' 7" 2' " 2' " 2' " 20' 4" 9' 3" 9' 3" 9' 2" 7' 0" 7' 0" 7' 0" 6' 8" 6' 8" 6' 8" 550S ' 0" 38' " 33' 3" 23' 7" 23' 7" 2' " 20' 5" 20' 5" 9' " 8' 3" 8' 3" 8' 3" 6' 8" 6' 8" 6' 8" 5' 5" 5' 5" 5' 5" 4' 5" 4' 5" 4' 5" 550S ' 4" 33' 3" 29' 0" 9' 3" 9' 3" 9' 2" 6' 8" 6' 8" 6' 8" 4' " 4' " 4' " 3' 7" e 3' 7" e 3' 7" e 2' 7" e 2' 7" e 2' 7" e ' 0" e ' 0" e ' 0" e 550S ' 9" 4' " 36' 7" 3' 6" 28' 7" 24' " 27' 4" 26' 0" 2' " 24' 5" 24' " 20' 4" 22' 3" 22' 3" 9' 2" 20' 8" 20' 8" 8' 2" 9' 4" 9' 4" 7' 5" 550S ' 3" 38' " 33' 3" 27' 4" 26' 0" 2' " 23' 8" 23' 7" 9' " 2' 2" 2' 2" 8' 6" 9' 4" 9' 4" 7' 5" 7' 0" 7' 0" 6' 6" 6' 9" 6' 9" 5' 9" 550S ' 7" 33' 3" 29' 0" 22' 3" 22' 3" 9' 2" 9' 4" 9' 4" 7' 5" 7' 3" 7' 3" 6' 2" 5' 9" 5' 9" 5' 2" 4' 7" 4' 7" 4' 5" 3' 8" 3' 8" 3' 8" 550S ' 9" 44' " 39' 3" 30' 6" 30' 6" 25' 0" 26' 5" 26' 5" 23' 6" 23' 7" 23' 7" 2' 9" 2' 7" 2' 7" 20' 6" 9' " 9' " 9' 6" 8' 8" 8' 8" 8' 8" 550S ' 8" 40' 9" 35' 8" 26' 5" 26' 5" 23' 6" 22' 0" 22' 0" 2' 4" 20' 5" 20' 5" 9' 0" 8' 8" 8' 8" 8' 8" 7' 3" 7' 3" 7' 3" 6' 2" 6' 2" 6' 2" 550S ' 4" 35' 8" 3' 2" 2' 7" 2' 7" 20' 6" 8' 8" 8' 8" 8' 8" 6' 8" 6' 8" 6' 8" 5' 3" 5' 3" 5' 3" 4' " 4' " 4' " 3' 2" 3' 2" 3' 2" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

43 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 7" 44' " 39' 3" 35' " 30' 7" 25' 0" 3' 8" 27' 0" 23' 6" 28' 4" 25' 0" 2' 9" 25' 0" 24' 4" 20' 6" 23' " 23' " 9' 6" 22' 5" 22' " 8' 8" 550S ' 5" 40' 9" 35' 8" 3' 8" 27' 0" 23' 6" 27' 5" 25' 3" 2' 4" 24' 6" 23' 6" 9' 0" 22' 5" 22' " 8' 8" 20' 9" 20' 9" 7' 8" 9' 5" 9' 5" 6' " 550S ' 9" 35' 8" 3' 2" 25' 0" 24' 4" 20' 6" 22' 5" 22' " 8' 8" 20' 0" 20' 0" 7' 3" 8' 3" 8' 3" 6' 3" 6' " 6' " 5' 5" 5' 0" 5' 0" 4' 9" 550S ' 6" 49' 9" 43' 5" 35' 6" 33' " 28' 7" 30' 9" 30' 9" 26' 0" 27' 6" 27' 6" 24' 2" 25' " 25' " 22' 8" 23' 3" 23' 3" 2' 7" 2' 9" 2' 9" 20' 8" 550S ' 3" 45' 2" 39' 6" 30' 9" 30' 9" 26' 0" 26' 8" 26' 8" 23' 7" 23' 0" 23' 0" 2' " 2' 9" 2' 9" 20' 8" 20' 2" 20' 2" 9' 7" 8' 0" 8' 0" 8' 9" 550S ' 6" 39' 6" 34' 6" 25' " 25' " 22' 8" 2' 9" 2' 9" 20' 8" 9' 5" 9' 5" 9' 2" 7' 9" 7' 9" 7' 9" 6' 5" 6' 5" 6' 5" 5' 5" 5' 5" 5' 5" 550S ' 8" 49' 9" 43' 5" 38' 0" 33' " 28' 7" 35' 3" 30' 0" 26' 0" 32' 9" 28' 7" 24' 2" 30' 0" 26' " 22' 8" 28' 7" 25' 7" 2' 7" 26' 9" 24' 5" 20' 8" 550S ' " 45' 2" 39' 6" 35' 3" 30' 0" 26' 0" 32' " 28' 0" 23' 7" 29' 4" 26' 0" 2' " 26' 9" 24' 5" 20' 8" 24' 9" 23' 3" 9' 7" 23' 2" 22' 3" 8' 9" 550S ' 9" 39' 6" 34' 6" 30' 0" 26' " 22' 8" 26' 9" 24' 5" 20' 8" 23' " 22' 8" 9' 2" 2' 0" 2' 4" 8' 0" 20' 3" 20' 3" 7' " 8' " 8' " 6' 4" 550S ' 5" 36' 5" 35' 0" 2' 0" e 2' 0" e 2' 0" e 8' 3" e 8' 3" e 8' 3" e 6' 4" e 6' 4" e 6' 4" e 4' 0" e 4' 0" e 4' 0" e 3' 9" e 3' 9" e 3' 9" e 2' " e 2' " e 2' " e 550S ' 7" 3' 7" 3' 7" 8' 3" e 8' 3" e 8' 3" e 5' 9" e 5' 9" e 5' 9" e 4' " e 4' " e 4' " e 2' " e 2' " e 2' " e ' " e ' " e ' " e ' 2" e ' 2" e ' 2" e 550S ' 9" 25' 9" 25' 9" 4' 0" e 4' 0" e 4' 0" e 2' " e 2' " e 2' " e ' 6" e ' 6" e ' 6" e 0' 6" e 0' 6" e 0' 6" e 9' 9" e 9' 9" e 9' 9" e 9' " e 9' " e 9' " e 550S ' 6" 43' 6" 38' 9" 25' " 25' " 25' " 2' 9" 2' 9" 2' 9" 9' 5" 9' 5" 9' 5" 7' 9" e 7' 9" e 7' 9" e 6' 5" e 6' 5" e 6' 5" e 5' 5" e 5' 5" e 5' 5" e 550S ' 8" 37' 8" 35' 3" 2' 9" 2' 9" 2' 9" 8' 0" 8' 0" 8' 0" 6' 0" e 6' 0" e 6' 0" e 5' 5" e 5' 5" e 5' 5" e 4' 3" e 4' 3" e 4' 3" e 3' 4" e 3' 4" e 3' 4" e 550S ' 9" 30' 9" 30' 9" 7' 9" e 7' 9" e 7' 9" e 5' 5" e 5' 5" e 5' 5" e 3' 9" e 3' 9" e 3' 9" e 2' 7" e 2' 7" e 2' 7" e ' 8" e ' 8" e ' 8" e 0' 0" e 0' 0" e 0' 0" e 550S ' 3" 48' 0" 42' 0" 29' 0" 29' 0" 27' 8" 25' 2" 25' 2" 25' " 22' 6" 22' 6" 22' 6" 20' 6" 20' 6" 20' 6" 9' 0" 9' 0" 9' 0" 7' 9" 7' 9" 7' 9" 550S ' 7" 43' 7" 38' " 25' 2" 25' 2" 25' " 2' 9" 2' 9" 2' 9" 9' 6" 9' 6" 9' 6" 7' 9" 7' 9" 7' 9" 6' 6" 6' 6" 6' 6" 5' 5" e 5' 5" e 5' 5" e 550S ' 7" 35' 7" 33' 4" 20' 6" 20' 6" 20' 6" 7' 9" 7' 9" 7' 9" 5' " 5' " 5' " 4' 6" e 4' 6" e 4' 6" e 3' 5" e 3' 5" e 3' 5" e 2' 7" e 2' 7" e 2' 7" e 550S ' 0" 47' " 4' " 33' 6" 32' " 27' " 29' 0" 29' 0" 24' 7" 25' " 25' " 22' 0" 23' 8" 23' 8" 2' 6" 2' " 2' " 20' 5" 20' 6" 20' 6" 9' 6" 550S ' 3" 42' 9" 37' 4" 29' 0" 29' 0" 24' 7" 25' " 25' " 22' 4" 22' 6" 22' 6" 20' 9" 20' 6" 20' 6" 9' 6" 9' 0" 9' 0" 8' 7" 7' 9" 7' 9" 7' 9" 550S ' 0" 37' 4" 32' 7" 23' 8" 23' 8" 2' 6" 20' 6" 20' 6" 9' 6" 8' 4" 8' 4" 8' " 6' 9" 6' 9" 6' 9" 5' 6" 5' 6" 5' 6" 4' 6" 4' 6" 4' 6" 550S ' 0" 5' 9" 45' 3" 32' " 32' " 29' 9" 28' 6" 28' 6" 27' " 25' 6" 25' 6" 25' " 23' 3" 23' 3" 23' 3" 2' 7" 2' 7" 2' 7" 20' 2" 20' 2" 20' 2" 550S ' 5" 47' 0" 4' " 28' 6" 28' 6" 27' " 24' 8" 24' 8" 24' 7" 22' " 22' " 22' " 20' 2" 20' 2" 20' 2" 8' 8" 8' 8" 8' 8" 7' 6" 7' 6" 7' 6" 550S ' 4" 40' 4" 35' " 23' 3" 23' 3" 23' 3" 20' 2" 20' 2" 20' 2" 8' 0" 8' 0" 8' 0" 6' 6" 6' 6" 6' 6" 5' 3" 5' 3" 5' 3" 4' 3" 4' 3" 4' 3" 550S ' 9" 5' 4" 44' 0" 38' 0" 35' 0" 29' 7" 33' 8" 3' 0" 26' 0" 30' " 29' 7" 24' " 27' 6" 27' 6" 23' 5" 25' 5" 25' 5" 22' 3" 23' 0" 23' 0" 2' 4" 550S ' 4" 46' 8" 40' 9" 33' 8" 3' 0" 26' 0" 29' 2" 28' " 24' 5" 26' " 26' " 22' 8" 23' 0" 23' 0" 2' 4" 22' 0" 22' 0" 20' 3" 20' 7" 20' 7" 9' 4" 550S ' 7" 40' 9" 35' 7" 27' 6" 27' 6" 23' 5" 23' 0" 23' 0" 2' 4" 2' 3" 2' 3" 9' 9" 9' 5" 9' 5" 8' 7" 8' 0" 8' 0" 7' 8" 6' 0" 6' 0" 6' 0" 550S ' 8" 57' 7" 50' 4" 38' 6" 38' 6" 33' 2" 33' 4" 33' 4" 30' " 29' 0" 29' 0" 27' " 27' 3" 27' 3" 26' 4" 25' 2" 25' 2" 25' 0" 23' 7" 23' 7" 23' 7" 550S ' 9" 52' 4" 45' 9" 33' 4" 33' 4" 30' " 28' 0" 28' 0" 27' 4" 25' 0" 25' 0" 25' 5" 23' 7" 23' 7" 23' 7" 2' 0" 2' 0" 2' 0" 20' 5" 20' 5" 20' 5" 550S ' 2" 45' 9" 39' " 27' 3" 27' 3" 26' 4" 23' 7" 23' 7" 23' 7" 2' " 2' " 2' " 9' 3" 9' 3" 9' 3" 7' 0" 7' 0" 7' 0" 6' 8" 6' 8" 6' 8" 550S ' 3" 57' 4" 50' " 44' 9" 39' " 33' 0" 40' 8" 35' 7" 30' 0" 36' 8" 33' 0" 27' 0" 33' 6" 3' " 26' 2" 3' 0" 29' 6" 24' " 29' 0" 28' 3" 23' 0" 550S ' 8" 52' " 45' 6" 40' 8" 35' 7" 30' 0" 35' 6" 32' 4" 27' 3" 3' 9" 30' 0" 25' 3" 29' 0" 28' 3" 23' 0" 26' 0" 26' 0" 22' 7" 25' " 25' " 2' 7" 550S ' 4" 45' 6" 39' 9" 33' 6" 3' " 26' 2" 29' 0" 28' 3" 23' 0" 25' " 25' " 22' " 23' 8" 23' 8" 20' 9" 2' " 2' " 9' 9" 20' 6" 20' 6" 8' " 600S ' 4" 33' 4" 3' " 9' 3" 9' 3" 9' 3" 6' 8" e 6' 8" e 6' 8" e 4' " e 4' " e 4' " e 3' 7" e 3' 7" e 3' 7" e 2' 7" e 2' 7" e 2' 7" e ' 9" e ' 9" e ' 9" e 600S ' 0" 28' 0" 28' 0" 6' 8" e 6' 8" e 6' 8" e 4' 5" e 4' 5" e 4' 5" e 2' " e 2' " e 2' " e ' 9" e ' 9" e ' 9" e 0' " e 0' " e 0' " e 0' 2" e 0' 2" e 0' 2" e 600S ' 7" 23' 7" 23' 7" 3' 7" e 3' 7" e 3' 7" e ' 9" e ' 9" e ' 9" e 0' 6" e 0' 6" e 0' 6" e 9' 7" e 9' 7" e 9' 7" e 8' " e 8' " e 8' " e 8' 4" e 8' 4" e 8' 4" e 600S ' 0" 40' 0" 35' 0" 23' " 23' " 23' " 20' 0" 20' 0" 20' 0" 7' " 7' " 7' " 6' 4" 6' 4" 6' 4" 5' 2" e 5' 2" e 5' 2" e 4' 2" e 4' 2" e 4' 2" e 600S ' 8" 34' 8" 3' 0" 20' 0" 20' 0" 20' 0" 7' 4" 7' 4" 7' 4" 5' 6" 5' 6" 5' 6" 4' 2" e 4' 2" e 4' 2" e 3' " e 3' " e 3' " e 2' 3" e 2' 3" e 2' 3" e 600S ' 4" 28' 4" 27' 0" 6' 4" 6' 4" 6' 4" 4' 2" e 4' 2" e 4' 2" e 2' 8" e 2' 8" e 2' 8" e ' 7" e ' 7" e ' 7" e 0' 8" e 0' 8" e 0' 8" e 0' 0" e 0' 0" e 0' 0" e 600S ' 6" 43' 0" 37' 7" 26' 0" 26' 0" 24' 9" 23' 3" 23' 3" 22' 6" 20' 9" 20' 9" 20' 9" 9' 0" 9' 0" 9' 0" 7' 7" 7' 7" 7' 7" 6' 5" 6' 5" 6' 5" 600S ' 3" 39' " 34' 2" 23' 3" 23' 3" 22' 6" 20' 2" 20' 2" 20' 2" 8' 0" 8' 0" 8' 0" 6' 5" 6' 5" 6' 5" 5' 3" 5' 3" 5' 3" 4' 3" 4' 3" 4' 3" 600S ' 0" 32' 0" 29' 0" 9' 0" 9' 0" 9' 0" 6' 5" 6' 5" 6' 5" 4' 8" 4' 8" 4' 8" 3' 5" e 3' 5" e 3' 5" e 2' 5" e 2' 5" e 2' 5" e ' 7" e ' 7" e ' 7" e 600S ' 8" 43' 0" 37' 7" 3' 0" 29' 4" 24' 9" 26' 0" 26' 8" 22' 6" 24' 0" 24' 0" 20' 0" 2' " 2' " 9' 8" 20' 3" 20' 3" 8' 8" 9' 0" 9' 0" 7' 0" 600S ' 6" 39' " 34' 2" 26' 0" 26' 8" 22' 6" 23' 3" 23' 3" 20' 5" 20' 9" 20' 9" 9' 0" 9' 0" 9' 0" 7' 0" 7' 7" 7' 7" 6' " 6' 5" 6' 5" 6' 3" 600S ' " 34' 2" 29' 0" 2' " 2' " 9' 8" 9' 0" 9' 0" 7' 0" 7' 0" 7' 0" 6' 7" 5' 6" 5' 6" 5' 6" 4' 4" 4' 4" 4' 4" 3' 5" 3' 5" 3' 5" 600S ' 7" 46' " 40' 3" 30' 4" 30' 4" 26' 6" 26' 3" 26' 3" 24' " 23' 6" 23' 6" 22' 4" 2' 5" 2' 5" 2' " 9' 0" 9' 0" 9' 0" 8' 7" 8' 7" 8' 7" 600S ' 6" 4' 0" 36' 7" 26' 3" 26' 3" 24' " 22' 9" 22' 9" 2' " 20' 4" 20' 4" 20' 4" 8' 7" 8' 7" 8' 7" 7' 2" 7' 2" 7' 2" 6' " 6' " 6' " 600S ' 2" 36' 7" 3' " 2' 5" 2' 5" 2' " 8' 7" 8' 7" 8' 7" 6' 7" 6' 7" 6' 7" 5' 2" 5' 2" 5' 2" 4' " 4' " 4' " 3' 2" 3' 2" 3' 2" 600S ' " 46' " 40' 3" 36' 0" 3' 5" 26' 6" 3' 3" 28' 7" 24' " 28' 0" 26' 6" 22' 4" 25' 7" 24' " 2' " 23' 8" 23' 8" 20' 0" 22' " 22' " 9' " 600S ' 9" 4' 0" 36' 7" 3' 3" 28' 7" 24' " 27' " 25' " 2' " 24' 3" 24' " 20' 4" 22' " 22' " 9' " 20' 6" 20' 6" 8' 2" 9' 2" 9' 2" 7' 4" 600S ' 3" 36' 7" 3' " 25' 7" 24' " 2' " 22' " 22' " 9' " 9' 9" 9' 9" 7' 9" 8' " 8' " 6' 8" 6' 9" 6' 9" 5' 0" 5' 8" 5' 8" 5' 2" 600S ' 2" 5' 0" 44' 6" 35' 4" 34' 9" 29' 4" 30' 7" 30' 7" 26' 8" 27' 4" 27' 4" 24' 9" 25' 0" 25' 0" 23' 3" 23' " 23' " 22' " 2' 7" 2' 7" 2' 2" 600S ' " 46' 4" 40' 5" 30' 7" 30' 7" 26' 8" 26' 6" 26' 6" 24' 3" 23' 8" 23' 8" 22' 6" 2' 7" 2' 7" 2' 2" 20' 0" 20' 0" 20' 0" 8' 9" 8' 9" 8' 9" 600S ' 3" 40' 5" 35' 4" 25' 0" 25' 0" 23' 3" 2' 7" 2' 7" 2' 2" 9' 4" 9' 4" 9' 4" 7' 8" 7' 8" 7' 8" 6' 4" 6' 4" 6' 4" 5' 3" 5' 3" 5' 3" 600S ' 3" 5' 0" 44' 6" 39' 0" 34' 9" 29' 4" 36' 2" 3' 7" 26' 8" 33' 7" 29' 4" 24' 9" 30' 9" 27' 7" 23' 3" 28' 5" 26' 3" 22' " 26' 7" 25' " 2' 2" 600S ' 4" 46' 4" 40' 5" 36' 2" 3' 7" 26' 8" 32' 7" 28' 8" 24' 3" 29' 2" 26' 8" 22' 6" 26' 7" 25' " 2' 2" 24' 8" 23' 0" 20' " 23' " 22' 9" 9' 3" 600S ' 0" 40' 5" 35' 4" 30' 9" 27' 7" 23' 3" 26' 7" 25' " 2' 2" 23' 0" 23' 3" 9' 8" 2' 9" 2' 9" 8' 6" 20' " 20' " 7' 7" 8' 0" 8' 0" 6' 9" 600S ' 0" 35' 0" 33' 7" 20' 8" e 20' 8" e 20' 8" e 7' " e 7' " e 7' " e 6' 0" e 6' 0" e 6' 0" e 4' 7" e 4' 7" e 4' 7" e 3' 6" e 3' 6" e 3' 6" e 2' 8" e 2' 8" e 2' 8" e 600S ' 0" 3' 0" 30' 6" 7' " e 7' " e 7' " e 5' 6" e 5' 6" e 5' 6" e 3' 0" e 3' 0" e 3' 0" e 2' 8" e 2' 8" e 2' 8" e ' 9" e ' 9" e ' 9" e ' 0" e ' 0" e ' 0" e 600S ' 4" 25' 4" 25' 4" 4' 7" e 4' 7" e 4' 7" e 2' 8" e 2' 8" e 2' 8" e ' 4" e ' 4" e ' 4" e 0' 4" e 0' 4" e 0' 4" e 9' 7" e 9' 7" e 9' 7" e 8' " e 8' " e 8' " e 600S ' 0" 4' 0" 36' 7" 24' 9" 24' 9" 24' " 2' 5" 2' 5" 2' 5" 9' 2" 9' 2" 9' 2" 7' 6" e 7' 6" e 7' 6" e 6' 2" e 6' 2" e 6' 2" e 5' 2" e 5' 2" e 5' 2" e 600S ' " 37' " 33' 2" 2' 5" 2' 5" 2' 5" 8' 7" 8' 7" 8' 7" 6' 7" e 6' 7" e 6' 7" e 5' 2" e 5' 2" e 5' 2" e 4' 0" e 4' 0" e 4' 0" e 3' " e 3' " e 3' " e 600S ' 4" 30' 4" 29' 0" 7' 6" e 7' 6" e 7' 6" e 5' 2" e 5' 2" e 5' 2" e 3' 7" e 3' 7" e 3' 7" e 2' 4" e 2' 4" e 2' 4" e ' 5" e ' 5" e ' 5" e 0' 9" e 0' 9" e 0' 9" e 600S ' 8" 44' " 39' 3" 28' 8" 28' 8" 25' 0" 24' 0" 24' 0" 23' 6" 22' 2" 22' 2" 2' 9" 20' 3" 20' 3" 20' 3" 8' 9" 8' 9" 8' 9" 7' 7" 7' 7" 7' 7" 600S ' 0" 40' 9" 35' 8" 24' 0" 24' 0" 23' 6" 2' 6" 2' 6" 2' 4" 9' 3" 9' 3" 9' 3" 7' 7" 7' 7" 7' 7" 6' 3" 6' 3" 6' 3" 5' 2" e 5' 2" e 5' 2" e 600S ' " 35' " 3' " 20' 3" 20' 3" 20' 3" 7' 7" 7' 7" 7' 7" 5' 8" 5' 8" 5' 8" 4' 4" e 4' 4" e 4' 4" e 3' 3" e 3' 3" e 3' 3" e 2' 5" e 2' 5" e 2' 5" e See Curtain Wall Limiting Heights Table Notes on page 35. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 4

44 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 7" 44' " 39' 3" 33' " 30' 7" 25' 0" 28' 8" 27' 0" 23' 6" 25' 8" 25' 8" 2' 9" 23' 5" 23' 5" 20' 6" 2' 8" 2' 8" 9' 6" 20' 3" 20' 3" 8' 7" 600S ' 7" 40' 9" 35' 8" 28' 8" 27' 0" 23' 6" 24' 0" 24' 0" 2' 4" 22' 2" 22' 2" 9' 9" 20' 3" 20' 3" 8' 7" 8' 9" 8' 9" 7' 8" 7' 7" 7' 7" 6' " 600S ' 6" 35' 8" 3' " 23' 5" 23' 5" 20' 6" 20' 3" 20' 3" 8' 7" 8' " 8' " 7' 3" 6' 6" 6' 6" 6' 3" 5' 4" 5' 4" 5' 4" 4' 4" 4' 4" 4' 4" 600S ' " 48' " 42' 0" 32' 5" 32' 5" 27' 8" 28' " 28' " 25' 2" 25' " 25' " 23' 4" 22' " 22' " 22' 0" 2' 2" 2' 2" 20' " 9' 0" 9' 0" 9' 0" 600S ' 7" 43' 9" 38' 2" 28' " 28' " 25' 2" 24' 3" 24' 3" 22' 0" 2' 9" 2' 9" 2' 3" 9' 0" 9' 0" 9' 0" 8' 4" 8' 4" 8' 4" 7' 2" 7' 2" 7' 2" 600S ' 8" 38' 2" 33' 4" 22' " 22' " 22' 0" 9' 0" 9' 0" 9' 0" 7' 9" 7' 9" 7' 9" 6' 2" 6' 2" 6' 2" 5' 0" 5' 0" 5' 0" 4' 0" 4' 0" 4' 0" 600S ' 8" 48' " 42' 0" 37' 7" 32' 0" 27' 8" 33' 4" 29' 0" 25' 2" 29' 9" 27' 8" 23' 4" 27' 2" 26' " 22' 0" 25' 2" 24' 9" 20' " 23' 7" 23' 7" 20' 0" 600S ' " 43' 9" 38' 2" 33' 4" 29' 0" 25' 2" 28' 0" 27' " 22' 0" 25' 0" 25' 2" 2' 3" 23' 7" 23' 7" 20' 0" 2' 0" 2' 0" 9' 0" 20' 5" 20' 5" 8' 2" 600S ' " 38' 2" 33' 4" 27' 2" 26' " 22' 0" 23' 7" 23' 7" 20' 0" 2' " 2' " 8' 6" 9' 3" 9' 3" 7' 5" 7' 0" 7' 0" 6' 7" 6' 8" 6' 8" 5' 0" 600S ' 5" 53' 4" 46' 7" 37' 9" 36' 5" 30' 8" 32' 9" 32' 9" 27' " 29' 3" 29' 3" 25' " 26' 9" 26' 9" 24' 4" 24' 9" 24' 9" 23' 2" 23' 2" 23' 2" 22' 2" 600S ' 8" 48' 5" 42' 4" 32' 9" 32' 9" 27' " 28' 4" 28' 4" 25' 4" 25' 4" 25' 4" 23' 6" 23' 2" 23' 2" 22' 2" 2' 5" 2' 5" 2' 0" 20' 0" 20' 0" 20' 0" 600S ' 3" 42' 4" 37' 0" 26' 9" 26' 9" 24' 4" 23' 2" 23' 2" 22' 2" 20' 8" 20' 8" 20' 7" 8' " 8' " 8' " 7' 6" 7' 6" 7' 6" 6' 4" 6' 4" 6' 4" 600S ' 2" 53' 4" 46' 7" 4' 8" 36' 5" 30' 8" 37' 0" 33' " 27' " 35' 2" 30' 8" 25' " 32' " 28' " 24' 4" 30' 5" 27' 5" 23' 2" 28' 6" 26' 3" 22' 2" 600S ' " 48' 5" 42' 4" 37' 0" 33' " 27' " 34' 5" 30' 0" 25' 4" 3' 2" 27' " 23' 6" 28' 6" 26' 3" 22' 2" 26' 4" 24' " 2' 0" 24' 8" 23' 0" 20' " 600S ' 4" 42' 4" 37' 0" 32' " 28' " 24' 4" 28' 6" 26' 3" 22' 2" 25' 6" 24' 4" 20' 7" 23' 3" 22' " 9' 4" 2' 6" 2' 6" 8' 4" 20' 2" 20' 2" 7' 7" 600S ' 0" 56' 4" 49' 3" 4' 0" 38' 5" 32' 5" 35' 6" 34' " 29' 5" 3' 9" 3' 9" 27' 4" 29' 0" 29' 0" 25' 9" 26' 0" 26' 0" 24' 5" 25' " 25' " 23' 4" 600S ' 6" 5' 2" 44' 9" 35' 6" 34' " 29' 5" 30' 9" 30' 9" 26' 9" 27' 6" 27' 6" 24' 0" 25' " 25' " 23' 4" 23' 3" 23' 3" 22' 2" 2' 9" 2' 9" 2' 3" 600S ' 3" 44' 9" 39' " 29' 0" 29' 0" 25' 9" 25' " 25' " 23' 4" 22' 6" 22' 6" 2' 8" 20' 6" 20' 6" 20' 5" 9' 0" 9' 0" 9' 0" 7' 9" 7' 9" 7' 9" 600S ' 0" 56' 4" 49' 3" 44' 0" 38' 5" 32' 5" 40' 0" 34' " 29' 5" 37' " 32' 5" 27' 4" 34' " 30' 6" 25' 9" 33' " 29' 0" 24' 5" 30' " 27' 9" 23' 4" 600S ' 6" 5' 2" 44' 9" 40' 0" 34' " 29' 5" 36' 4" 3' 9" 26' 9" 33' 9" 29' 5" 24' 0" 30' " 27' 9" 23' 4" 28' 7" 26' 4" 22' 2" 26' 9" 25' 2" 2' 3" 600S ' 4" 44' 9" 39' " 34' " 30' 6" 25' 9" 30' " 27' 9" 23' 4" 27' 8" 25' 9" 2' 8" 25' 3" 24' 2" 20' 5" 23' 4" 23' 0" 9' 5" 2' 0" 2' 0" 8' 7" 600S ' 2" 38' 2" 35' 2" 22' " e 22' " e 22' " e 9' " e 9' " e 9' " e 7' " e 7' " e 7' " e 5' 7" e 5' 7" e 5' 7" e 4' 5" e 4' 5" e 4' 5" e 3' 6" e 3' 6" e 3' 6" e 600S ' " 33' " 3' " 9' " e 9' " e 9' " e 6' 6" e 6' 6" e 6' 6" e 4' 9" e 4' 9" e 4' 9" e 3' 6" e 3' 6" e 3' 6" e 2' 6" e 2' 6" e 2' 6" e ' 8" e ' 8" e ' 8" e 600S ' 0" 27' 0" 27' 0" 5' 7" e 5' 7" e 5' 7" e 3' 6" e 3' 6" e 3' 6" e 2' " e 2' " e 2' " e ' 0" e ' 0" e ' 0" e 0' 2" e 0' 2" e 0' 2" e 9' 7" e 9' 7" e 9' 7" e 600S ' 8" 43' " 38' 5" 26' 4" 26' 4" 25' 3" 22' 0" 22' 0" 22' 0" 20' 5" 20' 5" 20' 5" 8' 8" e 8' 8" e 8' 8" e 7' 3" e 7' 3" e 7' 3" e 6' 2" e 6' 2" e 6' 2" e 600S ' 7" 39' 7" 34' 0" 22' 0" 22' 0" 22' 0" 9' 9" e 9' 9" e 9' 9" e 7' 8" e 7' 8" e 7' 8" e 6' 2" e 6' 2" e 6' 2" e 4' " e 4' " e 4' " e 4' 0" e 4' 0" e 4' 0" e 600S ' 3" 32' 3" 30' 6" 8' 8" e 8' 8" e 8' 8" e 6' 2" e 6' 2" e 6' 2" e 4' 5" e 4' 5" e 4' 5" e 3' 2" e 3' 2" e 3' 2" e 2' 2" e 2' 2" e 2' 2" e ' 5" e ' 5" e ' 5" e 600S ' 0" 47' 2" 4' 2" 30' 6" 30' 6" 27' 2" 26' 5" 26' 5" 24' 8" 23' 8" 23' 8" 22' " 2' 7" 2' 7" 2' 6" 20' 0" 20' 0" 20' 0" 8' 8" 8' 8" 8' 8" 600S ' 9" 42' 0" 37' 5" 26' 5" 26' 5" 24' 8" 22' " 22' " 22' 5" 20' 6" 20' 6" 20' 6" 8' 8" 8' 8" 8' 8" 7' 4" e 7' 4" e 7' 4" e 6' 2" e 6' 2" e 6' 2" e 600S ' 5" 37' 5" 32' 8" 2' 7" 2' 7" 2' 6" 8' 8" 8' 8" 8' 8" 6' 9" e 6' 9" e 6' 9" e 5' 3" e 5' 3" e 5' 3" e 4' 2" e 4' 2" e 4' 2" e 3' 3" e 3' 3" e 3' 3" e 600S ' 5" 47' 2" 4' 2" 35' 2" 32' 2" 27' 2" 30' 5" 29' 3" 24' 8" 27' 3" 27' 2" 22' " 24' 0" 24' 0" 2' 6" 23' 0" 23' 0" 20' 6" 2' 6" 2' 6" 9' 7" 600S ' 9" 42' 0" 37' 5" 30' 5" 29' 3" 24' 8" 26' 5" 26' 5" 22' 5" 23' 7" 23' 7" 20' 0" 2' 6" 2' 6" 9' 7" 9' " 9' " 8' 7" 8' 8" 8' 8" 7' 9" 600S ' " 37' 5" 32' 8" 24' 0" 24' 0" 2' 6" 2' 6" 2' 6" 9' 7" 9' 3" 9' 3" 8' 2" 7' 7" 7' 7" 7' " 6' 3" 6' 3" 6' 3" 5' 3" e 5' 3" e 5' 3" e 600S ' 6" 50' 7" 44' 3" 34' " 34' 6" 29' " 30' 3" 30' 3" 26' 5" 27' " 27' " 24' 7" 24' 8" 24' 8" 23' " 22' 0" 22' 0" 2' " 2' 5" 2' 5" 2' 0" 600S ' 5" 46' 0" 40' 2" 30' 3" 30' 3" 26' 5" 26' 2" 26' 2" 24' 0" 23' 5" 23' 5" 22' 4" 2' 5" 2' 5" 2' 0" 9' 0" 9' 0" 9' 0" 8' 6" 8' 6" 8' 6" 600S ' 9" 40' 2" 35' " 24' 8" 24' 8" 23' " 2' 5" 2' 5" 2' 0" 9' 2" 9' 2" 9' 2" 7' 6" 7' 6" 7' 6" 6' 2" 6' 2" 6' 2" 5' " e 5' " e 5' " e 600S ' 9" 50' 7" 44' 3" 39' 6" 34' 6" 29' " 35' 5" 3' 4" 26' 5" 3' 8" 29' " 24' 7" 28' " 27' 5" 23' " 26' 9" 26' 0" 2' " 25' 0" 24' " 2' 0" 600S ' " 46' 0" 40' 2" 35' 5" 3' 4" 26' 5" 30' 8" 28' 6" 24' 0" 27' 5" 26' 5" 22' 4" 25' 0" 24' " 2' 0" 23' 2" 23' 2" 9' " 2' 8" 2' 8" 9' " 600S ' " 40' 2" 35' " 28' " 27' 5" 23' " 25' 0" 24' " 2' 0" 22' 5" 22' 5" 9' 6" 20' 5" 20' 5" 8' 4" 8' " 8' " 7' 5" 7' 8" 7' 8" 6' 8" 600S ' 9" 56' 2" 49' " 40' 0" 38' 4" 32' 4" 35' 5" 34' 0" 29' 5" 3' 8" 3' 8" 27' 3" 28' " 28' " 25' 8" 26' 9" 26' 9" 24' 5" 25' 0" 25' 0" 23' 4" 600S ' 3" 5' " 44' 7" 35' 5" 34' 0" 29' 5" 30' 8" 30' 8" 26' 8" 27' 5" 27' 5" 24' 9" 25' 0" 25' 0" 23' 4" 23' 2" 23' 2" 22' 2" 2' 8" 2' 8" 2' 2" 600S ' 0" 44' 7" 39' 0" 28' " 28' " 25' 8" 25' 0" 25' 0" 23' 4" 22' 5" 22' 5" 2' 8" 20' 5" 20' 5" 20' 4" 8' " 8' " 8' " 7' 8" 7' 8" 7' 8" 600S ' 0" 56' 2" 49' " 43' " 38' 4" 32' 4" 39' 0" 34' 0" 29' 5" 37' 0" 32' 4" 27' 3" 34' 0" 30' 5" 25' 8" 32' " 28' " 24' 5" 30' 0" 27' 8" 23' 4" 600S ' 4" 5' " 44' 7" 39' 0" 34' 0" 29' 5" 36' 3" 3' 8" 26' 8" 33' 8" 29' 5" 24' 9" 30' 0" 27' 8" 23' 4" 28' 6" 26' 3" 22' 2" 26' 8" 25' " 2' 2" 600S ' 2" 44' 7" 39' 0" 34' 0" 30' 5" 25' 8" 30' 0" 27' 8" 23' 4" 27' 7" 25' 8" 2' 8" 25' 2" 24' 2" 20' 4" 23' 3" 22' " 9' 4" 2' 9" 2' 9" 8' 6" 600S ' " 59' 5" 5' " 44' 5" 40' 7" 34' 2" 38' 6" 36' 0" 3' " 34' 5" 34' 2" 28' 0" 3' 5" 3' 5" 27' 2" 29' " 29' " 25' 9" 27' 3" 27' 3" 24' 8" 600S ' 8" 54' 0" 47' 2" 38' 6" 36' 0" 3' " 33' 4" 33' 4" 28' 3" 29' 0" 29' 0" 26' 2" 27' 3" 27' 3" 24' 8" 25' 2" 25' 2" 23' 5" 23' 7" 23' 7" 22' 5" 600S ' 5" 47' 2" 4' 3" 3' 5" 3' 5" 27' 2" 27' 3" 27' 3" 24' 8" 24' 4" 24' 4" 22' " 22' 3" 22' 3" 2' 7" 20' 7" 20' 7" 20' 6" 9' 3" 9' 3" 9' 3" 600S ' " 59' 5" 5' " 46' 5" 40' 7" 34' 2" 42' 2" 36' 0" 3' " 39' 2" 34' 2" 28' 0" 36' 0" 32' 2" 27' 2" 35' 0" 30' 7" 25' 9" 33' 6" 29' 3" 24' 8" 600S ' 0" 54' 0" 47' 2" 42' 2" 36' 0" 3' " 38' 4" 33' 6" 28' 3" 35' 7" 3' " 26' 2" 33' 6" 29' 3" 24' 8" 3' 0" 27' 9" 23' 5" 29' 0" 26' 7" 22' 5" 600S ' 5" 47' 2" 4' 3" 36' 0" 32' 2" 27' 2" 33' 6" 29' 3" 24' 8" 30' 0" 27' 2" 22' " 27' 4" 25' 7" 2' 7" 25' 4" 24' 3" 20' 6" 23' 8" 23' 2" 9' 7" 600S ' 0" 46' 0" 40' 2" 27' " 27' " 26' 6" 23' 5" 23' 5" 23' 5" 20' " e 20' " e 20' " e 9' 2" e 9' 2" e 9' 2" e 7' 9" e 7' 9" e 7' 9" e 6' 7" e 6' 7" e 6' 7" e 600S ' 7" 40' 7" 36' 6" 23' 5" 23' 5" 23' 5" 20' 4" e 20' 4" e 20' 4" e 8' 2" e 8' 2" e 8' 2" e 6' 7" e 6' 7" e 6' 7" e 5' 4" e 5' 4" e 5' 4" e 4' 4" e 4' 4" e 4' 4" e 600S ' 2" 33' 2" 3' " 9' 2" e 9' 2" e 9' 2" e 6' 7" e 6' 7" e 6' 7" e 4' 0" e 4' 0" e 4' 0" e 3' 6" e 3' 6" e 3' 6" e 2' 6" e 2' 6" e 2' 6" e ' 9" e ' 9" e ' 9" e 600S ' 6" 49' 5" 43' 2" 3' 5" 3' 5" 28' 5" 27' 3" 27' 3" 25' 0" 24' 4" 24' 4" 24' 0" 22' 3" 22' 3" 22' 3" 20' 7" 20' 7" 20' 7" 9' 3" 9' 3" 9' 3" 600S ' 2" 44' " 39' 3" 27' 3" 27' 3" 25' 0" 23' 7" 23' 7" 23' 6" 2' " 2' " 2' " 9' 3" 9' 3" 9' 3" 7' 0" e 7' 0" e 7' 0" e 6' 8" e 6' 8" e 6' 8" e 600S ' 6" 38' 6" 34' 3" 22' 3" 22' 3" 22' 3" 9' 3" 9' 3" 9' 3" 7' 3" e 7' 3" e 7' 3" e 5' 9" e 5' 9" e 5' 9" e 4' 7" e 4' 7" e 4' 7" e 3' 7" e 3' 7" e 3' 7" e 600S ' 0" 49' 2" 43' 0" 36' 0" 33' 7" 28' 4" 3' 2" 30' 6" 25' 9" 27' " 27' " 23' 0" 25' 6" 25' 6" 22' 6" 23' 7" 23' 7" 2' 4" 22' " 22' " 20' 5" 600S ' 0" 44' 8" 39' " 3' 2" 30' 6" 25' 9" 27' 0" 27' 0" 23' 4" 24' 2" 24' 2" 2' 8" 22' " 22' " 20' 5" 20' 5" 20' 5" 9' 5" 9' " 9' " 8' 7" 600S ' " 39' " 34' " 25' 6" 25' 6" 22' 6" 22' " 22' " 20' 5" 9' 9" 9' 9" 8' " 8' 0" 8' 0" 7' 0" 6' 8" 6' 8" 6' 8" 5' 7" e 5' 7" e 5' 7" e 600S ' 2" 53' " 46' 4" 36' 6" 36' 2" 30' 6" 3' 7" 3' 7" 27' 9" 28' 3" 28' 3" 25' 9" 25' 9" 25' 9" 24' 3" 23' 0" 23' 0" 23' 0" 22' 4" 22' 4" 22' 0" 600S ' 8" 48' 3" 42' " 3' 7" 3' 7" 27' 9" 27' 4" 27' 4" 25' 2" 24' 5" 24' 5" 23' 5" 22' 4" 22' 4" 22' 0" 20' 8" 20' 8" 20' 8" 9' 4" 9' 4" 9' 4" 600S ' 8" 42' " 36' 0" 25' 9" 25' 9" 24' 3" 22' 4" 22' 4" 22' 0" 20' 0" 20' 0" 20' 0" 8' 3" 8' 3" 8' 3" 6' " 6' " 6' " 5' 9" e 5' 9" e 5' 9" e 600S ' 0" 53' " 46' 4" 4' 5" 36' 2" 30' 6" 36' 5" 32' " 27' 9" 32' 6" 30' 6" 25' 9" 29' 8" 28' 9" 24' 3" 27' 6" 27' 3" 23' 0" 25' 9" 25' 9" 22' 0" 600S ' 9" 48' 2" 42' " 36' 5" 32' " 27' 9" 3' 6" 29' " 25' 2" 28' 2" 27' 9" 23' 5" 25' 9" 25' 9" 22' 0" 23' 0" 23' 0" 20' " 22' 3" 22' 3" 20' 0" 600S ' 5" 42' " 36' 9" 29' 8" 28' 9" 24' 3" 25' 9" 25' 9" 22' 0" 23' 0" 23' 0" 20' 5" 2' 0" 2' 0" 9' 3" 9' 5" 9' 5" 8' 3" 8' 2" 8' 2" 7' 6" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

45 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 4" 59' 0" 5' 7" 44' 0" 40' 3" 33' " 38' " 36' 7" 30' 0" 34' " 33' " 28' 8" 3' " 3' " 26' " 28' 9" 28' 9" 25' 7" 26' " 26' " 24' 6" 600S ' " 53' 7" 46' 0" 38' " 36' 7" 30' 0" 33' 0" 33' 0" 28' 0" 29' 6" 29' 6" 26' 0" 26' " 26' " 24' 6" 24' " 24' " 23' 3" 23' 4" 23' 4" 22' 3" 600S ' 0" 46' 0" 40' " 3' " 3' " 26' " 26' " 26' " 24' 6" 24' " 24' " 22' 9" 22' 0" 22' 0" 2' 5" 20' 4" 20' 4" 20' 4" 9' 0" 9' 0" 9' 0" 600S ' 4" 59' 0" 5' 7" 46' " 40' 3" 33' " 4' 0" 36' 7" 30' 0" 38' 0" 33' " 28' 8" 36' 7" 3' " 26' " 34' 6" 30' 4" 25' 7" 32' 4" 29' 0" 24' 6" 600S ' 6" 53' 7" 46' 0" 4' 0" 36' 7" 30' 0" 38' 0" 33' 3" 28' 0" 35' 4" 30' 0" 26' 0" 32' 4" 29' 0" 24' 6" 29' " 27' 7" 23' 3" 28' 0" 26' 4" 22' 3" 600S ' 0" 46' 0" 40' " 36' 7" 3' " 26' " 32' 4" 29' 0" 24' 6" 28' " 26' " 22' 9" 26' 4" 25' 4" 2' 5" 24' 5" 24' " 20' 4" 22' 0" 22' 0" 9' 5" 600S ' 9" 62' 6" 54' 7" 47' " 42' 7" 35' " 4' 6" 38' 9" 32' 8" 37' " 35' " 30' 4" 33' 0" 33' 0" 28' 6" 3' 4" 3' 4" 27' " 29' 4" 29' 4" 25' " 600S ' 6" 56' 9" 49' 7" 4' 6" 38' 9" 32' 8" 35' " 35' 2" 29' 8" 32' 2" 32' 2" 27' 7" 29' 4" 29' 4" 25' " 27' 2" 27' 2" 24' 8" 25' 5" 25' 5" 23' 7" 600S ' 8" 49' 7" 43' 4" 33' 0" 33' 0" 28' 6" 29' 4" 29' 4" 25' " 26' 3" 26' 3" 24' " 23' " 23' " 22' 8" 22' 2" 22' 2" 2' 6" 20' 9" 20' 9" 20' 7" 600S ' 9" 62' 6" 54' 7" 48' 9" 42' 7" 35' " 44' 4" 38' 9" 32' 8" 4' 2" 35' " 30' 4" 38' 9" 33' 0" 28' 6" 36' 9" 32' 2" 27' " 35' 2" 30' 9" 25' " 600S ' 6" 56' 9" 49' 7" 44' 4" 38' 9" 32' 8" 40' 3" 35' 2" 29' 8" 37' 5" 32' 8" 27' 7" 35' 2" 30' 9" 25' " 33' 5" 29' 2" 24' 8" 3' 3" 27' " 23' 7" 600S ' 6" 49' 7" 43' 4" 38' 9" 33' 0" 28' 6" 35' 2" 30' 9" 25' " 32' 4" 28' 6" 24' " 29' 6" 26' 0" 22' 8" 27' 4" 25' 6" 2' 6" 25' 6" 24' 5" 20' 7" 600S ' 7" 5' 4" 44' 0" 32' " 32' " 29' 6" 27' 9" 27' 9" 26' 0" 24' 0" 24' 0" 24' 0" 22' 8" 22' 8" 22' 8" 2' 0" 2' 0" 2' 0" 9' 8" 9' 8" 9' 8" 600S ' 2" 46' 7" 40' 9" 27' 9" 27' 9" 26' 0" 24' " 24' " 24' " 2' 6" 2' 6" 2' 6" 9' 8" 9' 8" 9' 8" 8' 2" e 8' 2" e 8' 2" e 7' 0" e 7' 0" e 7' 0" e 600S ' 4" 39' 4" 35' 7" 22' 8" 22' 8" 22' 8" 9' 8" 9' 8" 9' 8" 7' 7" e 7' 7" e 7' 7" e 6' " e 6' " e 6' " e 4' 0" e 4' 0" e 4' 0" e 3' " e 3' " e 3' " e 600S ' 4" 50' 3" 43' " 36' 7" 34' 3" 28' " 3' 8" 3' 2" 26' 3" 28' 4" 28' 4" 24' 5" 25' 0" 25' 0" 22' " 23' " 23' " 2' 0" 22' 5" 22' 5" 20' 0" 600S ' 0" 45' 8" 39' " 3' 8" 3' 2" 26' 3" 27' 5" 27' 5" 23' 0" 24' 6" 24' 6" 22' 2" 22' 5" 22' 5" 20' 0" 20' 9" 20' 9" 9' 0" 9' 5" 9' 5" 8' " 600S ' 0" 39' " 34' 0" 25' 0" 25' 0" 22' " 22' 5" 22' 5" 20' 0" 20' 0" 20' 0" 9' 4" 8' 3" 8' 3" 8' 3" 6' " 6' " 6' " 5' 0" e 5' 0" e 5' 0" e 600S ' 6" 55' 3" 48' 4" 37' 3" 37' 3" 3' 0" 32' 3" 32' 3" 28' " 28' 0" 28' 0" 26' 0" 26' 4" 26' 4" 25' 3" 24' 5" 24' 5" 24' 0" 22' 0" 22' 0" 22' 0" 600S ' " 50' 3" 43' " 32' 3" 32' 3" 28' " 27' " 27' " 26' 3" 25' 0" 25' 0" 24' 4" 22' 0" 22' 0" 22' 0" 2' " 2' " 2' " 9' 9" 9' 9" 9' 9" 600S ' 8" 43' " 38' 4" 26' 4" 26' 4" 25' 3" 22' 0" 22' 0" 22' 0" 20' 5" 20' 5" 20' 5" 8' 8" 8' 8" 8' 8" 7' 3" e 7' 3" e 7' 3" e 6' 2" e 6' 2" e 6' 2" e 600S ' " 54' 0" 47' " 42' 9" 37' 5" 3' 7" 37' " 34' 0" 28' 8" 33' 2" 3' 7" 26' 7" 30' 3" 29' 8" 25' " 28' 0" 28' 0" 23' 0" 26' 2" 26' 2" 22' 9" 600S ' 0" 49' 0" 43' 6" 37' " 34' 0" 28' 8" 32' " 30' " 26' " 28' 8" 28' 8" 24' 2" 26' 2" 26' 2" 22' 9" 24' 3" 24' 3" 2' 7" 22' 8" 22' 8" 20' 8" 600S ' 5" 43' 6" 38' 0" 30' 3" 29' 8" 25' " 26' 2" 26' 2" 22' 9" 23' 5" 23' 5" 2' 2" 2' 5" 2' 5" 9' " 9' 0" 9' 0" 8' " 8' 6" 8' 6" 8' " 600S ' 7" 6' 7" 53' 9" 46' 8" 42' 0" 35' 5" 40' 5" 38' 2" 32' 2" 36' 2" 35' 5" 29' " 33' 0" 33' 0" 28' " 30' 7" 30' 7" 26' 8" 28' 7" 28' 7" 25' 7" 600S ' 0" 55' " 48' 0" 40' 5" 38' 2" 32' 2" 35' 0" 34' 8" 29' 3" 3' 4" 3' 4" 27' 2" 28' 7" 28' 7" 25' 7" 26' 6" 26' 6" 24' 3" 24' 9" 24' 9" 23' 3" 600S ' 2" 48' 0" 42' 8" 33' 0" 33' 0" 28' " 28' 7" 28' 7" 25' 7" 25' 7" 25' 7" 23' 9" 23' 4" 23' 4" 22' 4" 2' 7" 2' 7" 2' 2" 20' 3" 20' 3" 20' 3" 600S ' 3" 6' 3" 53' 6" 47' 0" 4' 0" 35' 3" 43' 6" 38' 0" 32' 0" 40' 4" 35' 3" 29' 9" 38' 0" 33' 2" 28' 0" 35' 5" 3' 6" 26' 7" 33' " 30' 2" 25' 5" 600S ' 2" 55' 8" 48' 8" 43' 6" 38' 0" 32' 0" 39' 6" 34' 6" 29' " 36' 3" 32' 0" 27' 0" 33' " 30' 2" 25' 5" 30' 8" 28' 8" 24' 2" 28' 8" 27' 5" 23' " 600S ' 3" 48' 8" 42' 6" 38' 0" 33' 2" 28' 0" 33' " 30' 2" 25' 5" 29' 7" 28' 0" 23' 7" 27' 0" 26' 4" 22' 3" 25' 0" 25' 0" 2' " 23' 5" 23' 5" 20' 2" 600S ' 3" 65' 3" 57' 0" 50' " 44' 6" 37' 7" 44' 3" 40' 5" 34' " 39' 7" 37' 7" 3' 8" 36' 2" 35' 4" 29' 0" 33' 6" 33' 6" 28' 4" 3' 4" 3' 4" 27' " 600S ' 8" 59' 3" 5' 9" 44' 3" 40' 5" 34' " 38' 4" 36' 9" 3' 0" 34' 4" 34' " 28' 9" 3' 4" 3' 4" 27' " 29' 0" 29' 0" 25' 9" 27' " 27' " 24' 7" 600S ' 7" 5' 9" 45' 3" 36' 2" 35' 4" 29' 0" 3' 4" 3' 4" 27' " 28' 0" 28' 0" 25' 2" 25' 7" 25' 7" 23' 8" 23' 8" 23' 8" 22' 6" 22' 2" 22' 2" 2' 6" 600S ' 0" 65' " 56' 0" 50' 0" 44' 5" 37' 5" 46' 2" 40' 4" 34' 0" 42' 0" 37' 5" 3' 7" 40' 4" 35' 3" 29' 9" 38' 4" 33' 6" 28' 3" 36' 8" 32' 0" 27' 0" 600S ' 6" 59' " 5' 8" 46' 2" 40' 4" 34' 0" 4' " 36' 8" 30' " 38' " 34' 0" 28' 8" 36' 8" 32' 0" 27' 0" 34' 9" 30' 5" 25' 8" 32' 6" 29' " 24' 6" 600S ' " 5' 8" 45' " 40' 4" 35' 3" 29' 9" 36' 8" 32' 0" 27' 0" 33' 7" 29' 9" 25' " 30' 8" 28' 0" 23' 7" 28' 4" 26' 7" 22' 5" 26' 6" 25' 5" 2' 5" 600S ' 7" 53' 9" 46' " 35' 7" 35' 7" 30' " 30' 9" 30' 9" 28' " 27' 6" 27' 6" 26' " 25' 2" 25' 2" 24' 7" 23' 3" e 23' 3" e 23' 3" e 2' 9" e 2' 9" e 2' 9" e 600S ' 4" 48' 0" 42' 8" 30' 9" 30' 9" 28' " 26' 8" 26' 8" 25' 6" 23' 0" e 23' 0" e 23' 8" 2' 9" e 2' 9" e 2' 9" e 20' 2" e 20' 2" e 20' 2" e 8' 0" e 8' 0" e 8' 0" e 600S ' 6" 42' 8" 37' 3" 25' 2" 25' 2" 24' 7" 2' 9" e 2' 9" e 2' 9" e 9' 6" e 9' 6" e 9' 6" e 7' 9" e 7' 9" e 7' 9" e 6' 5" e 6' 5" e 6' 5" e 5' 5" e 5' 5" e 5' 5" e 600S ' 0" 53' " 46' 4" 40' 8" 36' 2" 30' 6" 35' 2" 32' " 27' 9" 3' 6" 30' 6" 25' 9" 28' 9" 28' 9" 24' 3" 26' 7" 26' 7" 23' 0" 24' " 24' " 22' 0" 600S ' 9" 48' 2" 42' " 35' 2" 32' " 27' 9" 30' 6" 29' 0" 25' 2" 27' 3" 27' 3" 23' 5" 24' " 24' " 22' 0" 23' 0" 23' 0" 20' " 2' 7" 2' 7" 20' 0" 600S ' 9" 42' " 36' 9" 28' 9" 28' 9" 24' 3" 24' " 24' " 22' 0" 22' 3" 22' 3" 20' 5" 20' 4" e 20' 4" e 9' 3" 8' 0" e 8' 0" e 8' 3" e 7' 7" e 7' 7" e 7' 6" e 600S ' 5" 58' 2" 50' 0" 4' 3" 39' 8" 33' 6" 35' 8" 35' 8" 30' 5" 3' " 3' " 28' 3" 29' 2" 29' 2" 26' 7" 27' 0" 27' 0" 25' 3" 25' 3" 25' 3" 24' 2" 600S ' 0" 52' " 46' 2" 35' 8" 35' 8" 30' 5" 30' " 30' " 27' 8" 27' 8" 27' 8" 25' 8" 25' 3" 25' 3" 24' 2" 23' 4" 23' 4" 22' " 2' 0" 2' 0" 2' 0" 600S ' 6" 46' 2" 40' 4" 29' 2" 29' 2" 26' 7" 25' 3" 25' 3" 24' 2" 22' 7" 22' 7" 22' 5" 20' 7" e 20' 7" e 20' 7" e 9' " e 9' " e 9' " e 7' 0" e 7' 0" e 7' 0" e 600S ' " 58' 0" 50' 8" 45' 3" 39' 7" 33' 4" 4' 0" 35' " 30' 4" 36' 8" 33' 4" 28' 2" 33' 6" 3' 5" 26' 6" 3' 0" 29' 0" 25' 2" 29' 0" 28' 6" 24' " 600S ' 5" 52' 8" 46' 0" 4' 0" 35' " 30' 4" 35' 6" 32' 8" 27' 6" 3' 9" 30' 4" 25' 7" 29' 0" 28' 6" 24' " 26' 0" 26' 0" 22' 0" 25' " 25' " 2' 0" 600S ' 0" 46' 0" 40' 2" 33' 6" 3' 5" 26' 6" 29' 0" 28' 6" 24' " 25' " 25' " 22' 4" 23' 8" 23' 8" 2' 0" 2' " 2' " 20' 0" 20' 6" 20' 6" 9' " 600S ' 9" 64' 0" 56' 8" 50' 8" 44' 3" 37' 4" 43' " 40' 2" 33' " 39' 3" 37' 4" 3' 6" 35' 0" 35' " 29' 7" 33' 2" 33' 2" 28' 2" 3' 0" 3' 0" 26' " 600S ' 3" 58' " 5' 6" 43' " 40' 2" 33' " 38' 0" 36' 6" 30' 0" 34' 0" 33' " 28' 7" 3' 0" 3' 0" 26' " 28' 9" 28' 9" 25' 7" 26' 0" 26' 0" 24' 5" 600S ' " 5' 6" 45' 0" 35' 0" 35' " 29' 7" 3' 0" 3' 0" 26' " 27' 9" 27' 9" 25' 0" 25' 4" 25' 4" 23' 6" 23' 5" 23' 5" 22' 4" 2' " 2' " 2' 4" 600S ' 9" 64' 0" 56' 8" 50' 8" 44' 3" 37' 4" 46' 0" 40' 2" 33' " 42' 9" 37' 4" 3' 6" 40' 2" 35' " 29' 7" 38' 2" 33' 4" 28' 2" 36' 0" 3' " 26' " 600S ' 3" 58' " 5' 6" 46' 0" 40' 2" 33' " 4' 0" 36' 6" 30' 0" 38' 0" 33' " 28' 7" 36' 0" 3' " 26' " 33' 4" 30' 4" 25' 7" 3' 2" 29' 0" 24' 5" 600S ' 0" 5' 6" 45' 0" 40' 2" 35' " 29' 7" 36' 0" 3' " 26' " 32' 2" 29' 7" 25' 0" 29' 4" 27' " 23' 6" 27' 2" 26' 6" 22' 4" 25' 5" 25' 4" 2' 4" 600S ' 8" 68' 0" 60' " 53' 9" 46' " 39' 7" 47' " 42' 8" 36' 0" 42' " 39' 7" 33' 5" 39' 2" 37' 3" 3' 5" 36' 3" 35' 5" 29' 0" 33' " 33' 0" 28' 7" 600S ' 9" 62' 6" 54' 7" 47' " 42' 8" 36' 0" 4' 6" 38' 9" 32' 8" 37' 2" 36' 0" 30' 4" 33' " 33' 0" 28' 7" 3' 5" 3' 5" 27' " 29' 4" 29' 4" 25' " 600S ' 0" 54' 7" 47' 9" 39' 2" 37' 3" 3' 5" 33' " 33' 0" 28' 7" 30' 4" 30' 4" 26' 6" 27' 8" 27' 8" 24' " 25' 8" 25' 8" 23' 8" 24' 0" 24' 0" 22' 8" 600S ' 8" 68' 0" 60' " 53' 9" 46' " 39' 7" 48' 0" 42' 8" 36' 0" 45' 4" 39' 7" 33' 5" 42' 8" 37' 3" 3' 5" 40' 6" 35' 5" 29' 0" 38' 9" 33' 0" 28' 7" 600S ' 9" 62' 6" 54' 7" 48' 0" 42' 8" 36' 0" 44' 4" 38' 9" 32' 8" 4' 2" 36' 0" 30' 4" 38' 9" 33' 0" 28' 7" 36' 0" 32' 2" 27' " 35' 2" 30' 9" 25' " 600S ' 0" 54' 7" 47' 9" 42' 8" 37' 3" 3' 5" 38' 9" 33' 0" 28' 7" 36' 0" 3' 5" 26' 6" 33' 7" 29' 7" 24' " 3' " 28' " 23' 8" 29' " 26' 0" 22' 8" 800S ' " 38' " 38' " 22' 0" e 22' 0" e 22' 0" e 9' " e 9' " e 9' " e 7' 0" e 7' 0" e 7' 0" e 5' 7" e 5' 7" e 5' 7" e 4' 5" e 4' 5" e 4' 5" e 3' 6" e 3' 6" e 3' 6" e 800S ' 0" 33' 0" 33' 0" 9' " e 9' " e 9' " e 6' 6" e 6' 6" e 6' 6" e 4' 9" e 4' 9" e 4' 9" e 3' 6" e 3' 6" e 3' 6" e 2' 6" e 2' 6" e 2' 6" e ' 8" e ' 8" e ' 8" e 800S ' " 26' " 26' " 5' 7" e 5' 7" e 5' 7" e 3' 6" e 3' 6" e 3' 6" e 2' " e 2' " e 2' " e ' 0" e ' 0" e ' 0" e 0' " e 0' " e 0' " e 9' 3" e 9' 3" e 9' 3" e 800S ' 3" 46' 3" 43' 0" 26' 8" 26' 8" 26' 8" 23' " 23' " 23' " 20' 8" e 20' 8" e 20' 8" e 8' " e 8' " e 8' " e 7' 6" e 7' 6" e 7' 6" e 6' 4" e 6' 4" e 6' 4" e 800S ' " 40' " 39' 0" 23' " 23' " 23' " 20' 0" e 20' 0" e 20' 0" e 7' " e 7' " e 7' " e 6' 4" e 6' 4" e 6' 4" e 5' 2" e 5' 2" e 5' 2" e 4' 2" e 4' 2" e 4' 2" e 800S ' 8" 32' 8" 32' 8" 8' " e 8' " e 8' " e 6' 4" e 6' 4" e 6' 4" e 4' 7" e 4' 7" e 4' 7" e 3' 4" e 3' 4" e 3' 4" e 2' 4" e 2' 4" e 2' 4" e ' 7" e ' 7" e ' 7" e See Curtain Wall Limiting Heights Table Notes on page 35. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 43

46 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 3" 54' 3" 47' 6" 3' 4" 3' 4" 3' 3" 27' 2" 27' 2" 27' 2" 24' 3" 24' 3" 24' 3" 22' 2" 22' 2" 22' 2" 20' 6" 20' 6" 20' 6" 9' 2" e 9' 2" e 9' 2" e 800S ' 0" 47' 0" 43' 2" 27' 2" 27' 2" 27' 2" 23' 6" 23' 6" 23' 6" 2' 0" 2' 0" 2' 0" 9' 2" e 9' 2" e 9' 2" e 7' 9" e 7' 9" e 7' 9" e 6' 7" e 6' 7" e 6' 7" e 800S ' 5" 38' 5" 37' 8" 22' 2" 22' 2" 22' 2" 9' 2" e 9' 2" e 9' 2" e 7' 2" e 7' 2" e 7' 2" e 5' 8" e 5' 8" e 5' 8" e 4' 6" e 4' 6" e 4' 6" e 3' 7" e 3' 7" e 3' 7" e 800S ' " 54' 0" 47' 2" 35' 0" 35' 0" 3' " 3' " 3' " 28' 3" 27' 9" 27' 9" 26' 2" 25' 4" 25' 4" 24' 8" 23' 6" 23' 6" 23' 5" 22' 0" 22' 0" 22' 0" 800S ' 0" 49' 0" 42' 0" 3' " 3' " 28' 3" 26' " 26' " 25' 8" 24' " 24' " 23' 0" 22' 0" 22' 0" 22' 0" 20' 4" 20' 4" 20' 4" 9' 0" 9' 0" 9' 0" 800S ' " 42' 0" 37' 5" 25' 4" 25' 4" 24' 8" 22' 0" 22' 0" 22' 0" 9' 8" 9' 8" 9' 8" 7' " 7' " 7' " 6' 7" e 6' 7" e 6' 7" e 5' 6" e 5' 6" e 5' 6" e 800S ' 6" 58' 5" 5' 0" 36' 8" 36' 8" 33' 7" 3' 9" 3' 9" 30' 6" 28' 5" 28' 5" 28' 4" 25' " 25' " 25' " 24' 0" 24' 0" 24' 0" 22' 5" 22' 5" 22' 5" 800S ' 0" 53' " 46' 4" 3' 9" 3' 9" 30' 6" 27' 6" 27' 6" 27' 6" 24' 7" 24' 7" 24' 7" 22' 5" 22' 5" 22' 5" 20' 9" 20' 9" 20' 9" 9' 5" 9' 5" 9' 5" 800S ' " 44' " 40' 6" 25' " 25' " 25' " 22' 5" 22' 5" 22' 5" 20' " 20' " 20' " 8' 4" 8' 4" 8' 4" 7' 0" e 7' 0" e 7' 0" e 5' 0" e 5' 0" e 5' 0" e 800S ' 3" 58' 4" 5' 0" 42' 3" 39' 0" 33' 7" 36' 7" 36' 2" 30' 6" 32' 9" 32' 9" 28' 4" 29' " 29' " 26' 8" 27' 8" 27' 8" 25' 4" 25' " 25' " 24' 3" 800S ' 5" 53' 0" 46' 4" 36' 7" 36' 2" 30' 6" 3' 9" 3' 9" 27' 9" 28' 4" 28' 4" 25' 9" 25' " 25' " 24' 3" 24' 0" 24' 0" 23' 0" 22' 5" 22' 5" 22' 0" 800S ' 9" 46' 4" 40' 6" 29' " 29' " 26' 8" 25' " 25' " 24' 3" 23' 2" 23' 2" 22' 6" 2' 2" 2' 2" 2' 2" 9' 7" 9' 7" 9' 7" 8' 4" 8' 4" 8' 4" 800S ' 0" 64' 9" 56' 7" 43' 0" 43' 0" 37' 3" 37' " 37' " 33' 0" 33' " 33' " 3' 5" 3' 0" 3' 0" 29' 7" 28' 8" 28' 8" 28' " 26' 0" 26' 0" 26' 0" 800S ' 8" 58' 0" 5' 5" 37' " 37' " 33' 0" 32' 0" 32' 0" 30' 9" 29' 5" 29' 5" 28' 7" 26' 0" 26' 0" 26' 0" 24' 0" 24' 0" 24' 0" 23' 3" 23' 3" 23' 3" 800S ' 8" 5' 5" 44' " 3' 0" 3' 0" 29' 7" 26' 0" 26' 0" 26' 0" 24' 0" 24' 0" 24' 0" 2' " 2' " 2' " 20' 3" 20' 3" 20' 3" 9' 0" 9' 0" 9' 0" 800S ' 7" 64' 9" 56' 7" 50' 7" 44' 2" 37' 3" 46' 0" 40' 2" 33' 0" 4' 7" 37' 3" 3' 5" 38' 0" 35' " 29' 7" 35' 2" 33' 4" 28' " 32' " 3' 0" 26' " 800S ' 2" 58' 0" 5' 5" 46' 0" 40' 2" 33' 0" 40' 4" 36' 6" 30' 9" 36' " 33' 0" 28' 7" 32' " 3' 0" 26' " 30' 6" 30' 3" 25' 6" 28' 6" 28' 6" 24' 5" 800S ' 9" 5' 5" 44' " 38' 0" 35' " 29' 7" 32' " 3' 0" 26' " 29' 5" 29' 5" 24' " 26' 0" 26' 0" 23' 6" 24' 0" 24' 0" 22' 4" 23' 3" 23' 3" 2' 4" 800S ' 4" 4' 4" 4' 4" 23' 0" e 23' 0" e 23' 0" e 20' 8" e 20' 8" e 20' 8" e 8' 6" e 8' 6" e 8' 6" e 6' 0" e 6' 0" e 6' 0" e 5' 7" e 5' 7" e 5' 7" e 4' 7" e 4' 7" e 4' 7" e 800S ' 0" 35' 0" 35' 0" 20' 8" e 20' 8" e 20' 8" e 7' " e 7' " e 7' " e 6' 0" e 6' 0" e 6' 0" e 4' 7" e 4' 7" e 4' 7" e 3' 5" e 3' 5" e 3' 5" e 2' 4" e 2' 4" e 2' 4" e 800S ' 3" e 29' 3" e 29' 3" e 6' 0" e 6' 0" e 6' 0" e 4' 7" e 4' 7" e 4' 7" e 2' 0" e 2' 0" e 2' 0" e ' 5" e ' 5" e ' 5" e 0' 4" e 0' 4" e 0' 4" e 9' 6" e 9' 6" e 9' 6" e 800S ' 0" 49' 0" 45' 7" 28' 9" 28' 9" 28' 9" 24' " e 24' " e 24' " e 22' 3" e 22' 3" e 22' 3" e 20' 4" e 20' 4" e 20' 4" e 8' 0" e 8' 0" e 8' 0" e 7' 7" e 7' 7" e 7' 7" e 800S ' 2" 43' 2" 4' 5" 24' " e 24' " e 24' " e 2' 7" e 2' 7" e 2' 7" e 9' 4" e 9' 4" e 9' 4" e 7' 7" e 7' 7" e 7' 7" e 6' 4" e 6' 4" e 6' 4" e 5' 3" e 5' 3" e 5' 3" e 800S ' 3" 35' 3" 35' 3" 20' 4" e 20' 4" e 20' 4" e 7' 7" e 7' 7" e 7' 7" e 5' 9" e 5' 9" e 5' 9" e 4' 5" e 4' 5" e 4' 5" e 3' 4" e 3' 4" e 3' 4" e 2' 6" e 2' 6" e 2' 6" e 800S ' 2" 56' 6" 49' 4" 33' 7" 33' 7" 32' 6" 29' " 29' " 29' " 26' 0" 26' 0" 26' 0" 23' 9" 23' 9" 23' 9" 22' 0" e 22' 0" e 22' 0" e 20' 7" e 20' 7" e 20' 7" e 800S ' 5" 50' 5" 44' 0" 29' " 29' " 29' " 25' 2" 25' 2" 25' 2" 22' 6" 22' 6" 22' 6" 20' 7" e 20' 7" e 20' 7" e 9' " e 9' " e 9' " e 7' 0" e 7' 0" e 7' 0" e 800S ' 2" 4' 2" 39' 2" 23' 9" 23' 9" 23' 9" 20' 7" e 20' 7" e 20' 7" e 8' 5" e 8' 5" e 8' 5" e 6' 0" e 6' 0" e 6' 0" e 5' 7" e 5' 7" e 5' 7" e 4' 7" e 4' 7" e 4' 7" e 800S ' 8" 56' 2" 49' " 38' 6" 38' 4" 32' 4" 33' 4" 33' 4" 29' 4" 29' 0" 29' 0" 27' 3" 27' 3" 27' 3" 25' 8" 25' 2" 25' 2" 24' 4" 23' 7" 23' 7" 23' 4" 800S ' 9" 5' 0" 44' 7" 33' 4" 33' 4" 29' 4" 28' 0" 28' 0" 26' 8" 25' 0" 25' 0" 24' 9" 23' 7" 23' 7" 23' 4" 2' 0" 2' 0" 2' 0" 20' 5" 20' 5" 20' 5" 800S ' 2" 44' 7" 38' " 27' 3" 27' 3" 25' 8" 23' 7" 23' 7" 23' 4" 2' " 2' " 2' " 9' 3" e 9' 3" e 9' 3" e 7' 0" e 7' 0" e 7' 0" e 6' 8" e 6' 8" e 6' 8" e 800S ' 8" 60' 9" 53' " 39' " 39' " 34' " 33' 0" 33' 0" 3' 9" 30' 3" 30' 3" 29' 6" 27' 7" 27' 7" 27' 7" 25' 7" 25' 7" 25' 7" 23' " 23' " 23' " 800S ' 7" 55' 2" 48' 3" 33' 0" 33' 0" 3' 9" 29' 4" 29' 4" 28' 0" 26' 2" 26' 2" 26' 2" 23' " 23' " 23' " 22' 2" 22' 2" 22' 2" 20' 9" 20' 9" 20' 9" 800S ' 0" 47' 0" 42' " 27' 7" 27' 7" 27' 7" 23' " 23' " 23' " 2' 5" 2' 5" 2' 5" 9' 6" e 9' 6" e 9' 6" e 8' " e 8' " e 8' " e 6' " e 6' " e 6' " e 800S ' 6" 60' 8" 53' 0" 45' 2" 4' 5" 34' " 39' " 37' 7" 3' 9" 35' 0" 34' " 29' 5" 3' " 3' " 27' 9" 29' 7" 29' 7" 26' 4" 27' 8" 27' 8" 25' 2" 800S ' 9" 55' 2" 48' 2" 39' " 37' 7" 3' 9" 33' 0" 33' 0" 28' 0" 30' 3" 30' 3" 26' 9" 27' 8" 27' 8" 25' 2" 25' 7" 25' 7" 23' " 23' " 23' " 22' " 800S ' 3" 48' 2" 42' " 3' " 3' " 27' 9" 27' 8" 27' 8" 25' 2" 24' 9" 24' 9" 23' 5" 22' 7" 22' 7" 22' 0" 20' " 20' " 20' " 9' 7" 9' 7" 9' 7" 800S ' 8" 67' 6" 58' " 46' 7" 46' 0" 38' 0" 40' 4" 40' 4" 35' 3" 36' " 36' " 32' 9" 32' " 32' " 30' 0" 30' 6" 30' 6" 29' 3" 28' 6" 28' 6" 28' 0" 800S ' 0" 6' 4" 53' 7" 40' 4" 40' 4" 35' 3" 34' " 34' " 32' " 3' 3" 3' 3" 29' 9" 28' 6" 28' 6" 28' 0" 26' 5" 26' 5" 26' 5" 24' 8" 24' 8" 24' 8" 800S ' 0" 53' 7" 46' 9" 32' " 32' " 30' 0" 28' 6" 28' 6" 28' 0" 25' 6" 25' 6" 25' 6" 23' 3" 23' 3" 23' 3" 2' 7" 2' 7" 2' 7" 20' 2" 20' 2" 20' 2" 800S ' 0" 67' 6" 58' " 52' 8" 46' 0" 38' 0" 47' 0" 4' 0" 35' 3" 44' 2" 38' 0" 32' 9" 40' 4" 36' 6" 30' 0" 37' 4" 34' 8" 29' 3" 34' " 33' 2" 28' 0" 800S ' 3" 6' 4" 53' 7" 47' 0" 4' 0" 35' 3" 42' 9" 38' 0" 32' " 38' 3" 35' 3" 29' 9" 34' " 33' 2" 28' 0" 32' 4" 3' 6" 26' 7" 30' 3" 30' 2" 25' 5" 800S ' 6" 53' 7" 46' 9" 40' 4" 36' 6" 30' 0" 34' " 33' 2" 28' 0" 3' 3" 30' 0" 26' 0" 28' 6" 28' 6" 24' 5" 26' 5" 26' 5" 23' 3" 24' 8" 24' 8" 22' 3" 800S ' 9" 7' 5" 62' 4" 50' 8" 48' 8" 4' " 43' " 43' " 37' 4" 39' 3" 39' 3" 34' 8" 35' 0" 35' 0" 32' 7" 33' 2" 33' 2" 3' 0" 3' 0" 3' 0" 29' 7" 800S ' 0" 64' 0" 56' 8" 43' " 43' " 37' 4" 38' 0" 38' 0" 33' " 34' 0" 34' 0" 3' 6" 3' 0" 3' 0" 29' 7" 28' 9" 28' 9" 28' 2" 26' 0" 26' 0" 26' 0" 800S ' " 56' 8" 49' 6" 35' 0" 35' 0" 32' 7" 3' 0" 3' 0" 29' 7" 27' 9" 27' 9" 27' 6" 25' 4" 25' 4" 25' 4" 23' 5" 23' 5" 23' 5" 2' " 2' " 2' " 800S ' " 7' 5" 62' 4" 55' 9" 48' 8" 4' " 50' 8" 44' 3" 37' 4" 47' 0" 4' " 34' 8" 44' " 38' 8" 32' 7" 40' 0" 36' 9" 3' 0" 38' 2" 35' " 29' 7" 800S ' 9" 64' 0" 56' 8" 50' 8" 44' 3" 37' 4" 46' 0" 40' 2" 33' " 4' 0" 37' 4" 3' 6" 38' 2" 35' " 29' 7" 35' 4" 33' 4" 28' 2" 33' " 3' " 26' " 800S ' 5" 56' 8" 49' 6" 44' " 38' 8" 32' 7" 38' 2" 35' " 29' 7" 34' 2" 32' 7" 27' 6" 3' 2" 30' 8" 25' 0" 28' 0" 28' 0" 24' 7" 27' 0" 27' 0" 23' 6" 800S ' 4" 44' 4" 44' 2" 25' 7" e 25' 7" e 25' 7" e 22' 2" e 22' 2" e 22' 2" e 9' 0" e 9' 0" e 9' 0" e 8' " e 8' " e 8' " e 6' 7" e 6' 7" e 6' 7" e 5' 4" e 5' 4" e 5' 4" e 800S ' 5" 38' 5" 38' 5" 22' 2" e 22' 2" e 22' 2" e 9' 3" e 9' 3" e 9' 3" e 7' " e 7' " e 7' " e 5' 4" e 5' 4" e 5' 4" e 3' " e 3' " e 3' " e 2' 9" e 2' 9" e 2' 9" e 800S ' 4" e 3' 4" e 3' 4" e 8' " e 8' " e 8' " e 5' 4" e 5' 4" e 5' 4" e 3' 4" e 3' 4" e 3' 4" e ' 0" e ' 0" e ' 0" e 0' 7" e 0' 7" e 0' 7" e 9' 6" e 9' 6" e 9' 6" e 800S ' 4" 53' 4" 48' 2" 30' 9" 30' 9" 30' 9" 26' 8" e 26' 8" e 26' 8" e 23' 0" e 23' 0" e 23' 0" e 2' 9" e 2' 9" e 2' 9" e 20' 2" e 20' 2" e 20' 2" e 8' 0" e 8' 0" e 8' 0" e 800S ' 2" 46' 2" 43' 9" 26' 8" e 26' 8" e 26' 8" e 23' " e 23' " e 23' " e 20' 8" e 20' 8" e 20' 8" e 8' 0" e 8' 0" e 8' 0" e 7' 5" e 7' 5" e 7' 5" e 6' 4" e 6' 4" e 6' 4" e 800S ' 8" 37' 8" 37' 8" 2' 9" e 2' 9" e 2' 9" e 8' 0" e 8' 0" e 8' 0" e 6' 0" e 6' 0" e 6' 0" e 5' 5" e 5' 5" e 5' 5" e 4' 3" e 4' 3" e 4' 3" e 3' 4" e 3' 4" e 3' 4" e 800S ' " 59' 3" 5' 9" 35' 0" 35' 0" 34' " 3' " 3' " 3' 0" 27' 9" 27' 9" 27' 9" 25' 4" e 25' 4" e 25' 4" e 23' 6" e 23' 6" e 23' 6" e 22' 0" e 22' 0" e 22' 0" e 800S ' 0" 53' 0" 47' 0" 3' " 3' " 3' 0" 26' " 26' " 26' " 24' " e 24' " e 24' " e 22' 0" e 22' 0" e 22' 0" e 20' 4" e 20' 4" e 20' 4" e 9' 0" e 9' 0" e 9' 0" e 800S ' " 43' " 4' " 25' 4" e 25' 4" e 25' 4" e 22' 0" e 22' 0" e 22' 0" e 9' 8" e 9' 8" e 9' 8" e 7' " e 7' " e 7' " e 6' 7" e 6' 7" e 6' 7" e 5' 6" e 5' 6" e 5' 6" e 800S ' 2" 59' 3" 5' 9" 4' " 40' 5" 34' " 35' 7" 35' 7" 3' 0" 3' 0" 3' 0" 28' 9" 29' " 29' " 27' " 26' " 26' " 25' 8" 25' 2" 25' 2" 24' 7" 800S ' 8" 53' 0" 47' 0" 35' 7" 35' 7" 3' 0" 30' 0" 30' 0" 28' 2" 27' 7" 27' 7" 26' " 25' 2" 25' 2" 24' 7" 23' 4" 23' 4" 23' 4" 2' 9" e 2' 9" e 2' 9" e 800S ' 4" 47' 0" 4' " 29' " 29' " 27' " 25' 2" 25' 2" 24' 7" 22' 6" 22' 6" 22' 6" 20' 7" e 20' 7" e 20' 7" e 9' 0" e 9' 0" e 9' 0" e 7' 9" e 7' 9" e 7' 9" e 800S ' 2" 63' 7" 55' 7" 4' 8" 4' 8" 36' 7" 36' " 36' " 33' 3" 32' 3" 32' 3" 30' 0" 29' 6" 29' 6" 29' " 27' 3" 27' 3" 27' 3" 25' 6" 25' 6" 25' 6" 800S ' 6" 57' 0" 50' 6" 36' " 36' " 33' 3" 3' 3" 3' 3" 30' 3" 27' " 27' " 27' " 25' 6" 25' 6" 25' 6" 23' 7" 23' 7" 23' 7" 22' " e 22' " e 22' " e 800S ' 0" 50' 6" 44' " 29' 6" 29' 6" 29' " 25' 6" 25' 6" 25' 6" 22' 0" 22' 0" 22' 0" 20' 0" e 20' 0" e 20' 0" e 9' 3" e 9' 3" e 9' 3" e 8' 0" e 8' 0" e 8' 0" e 800S ' 2" 63' 7" 55' 7" 48' " 43' 5" 36' 7" 4' 7" 39' 5" 33' 3" 37' 3" 36' 7" 30' 0" 34' 0" 34' 0" 29' " 3' 5" 3' 5" 27' 7" 29' 5" 29' 5" 26' 5" 800S ' " 57' 0" 50' 6" 4' 7" 39' 5" 33' 3" 36' 0" 35' 0" 30' 3" 32' 3" 32' 3" 28' " 29' 5" 29' 5" 26' 5" 27' 3" 27' 3" 25' " 25' 6" 25' 6" 24' 0" 800S ' 0" 50' 6" 44' " 34' 0" 34' 0" 29' " 29' 5" 29' 5" 26' 5" 26' 4" 26' 4" 24' 6" 24' 0" 24' 0" 23' " 22' 3" 22' 3" 2' " 20' 0" 20' 0" 20' 0" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

47 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' 7" 70' 9" 6' 0" 50' 0" 48' 3" 40' 9" 43' 4" 43' 4" 37' 0" 38' 9" 38' 9" 34' 4" 35' 4" 35' 4" 32' 4" 32' 9" 32' 9" 30' 8" 30' 7" 30' 7" 29' 4" 800S ' 0" 64' 3" 56' 2" 43' 4" 43' 4" 37' 0" 37' 6" 37' 6" 33' 7" 33' 6" 33' 6" 3' 2" 30' 7" 30' 7" 29' 4" 28' 4" 28' 4" 27' " 26' 6" 26' 6" 26' 6" 800S ' 3" 56' 2" 49' " 35' 4" 35' 4" 32' 4" 30' 7" 30' 7" 29' 4" 27' 5" 27' 5" 27' 3" 25' 0" 25' 0" 25' 0" 23' 2" 23' 2" 23' 2" 2' 8" 2' 8" 2' 8" 800S ' 2" 70' 9" 6' 0" 55' 3" 48' 3" 40' 9" 50' 2" 43' 0" 37' 0" 46' 7" 40' 9" 34' 4" 42' 0" 38' 4" 32' 4" 39' 8" 36' 5" 30' 8" 37' " 34' 0" 29' 4" 800S ' 0" 64' 3" 56' 2" 50' 2" 43' 0" 37' 0" 45' 5" 39' 0" 33' 7" 40' 7" 37' 0" 3' 2" 37' " 34' 0" 29' 4" 34' 4" 33' " 27' " 32' " 3' 7" 26' 8" 800S ' 9" 56' 2" 49' " 42' 0" 38' 4" 32' 4" 37' " 34' 0" 29' 4" 33' 2" 32' 4" 27' 3" 30' 3" 30' 3" 25' 8" 28' 0" 28' 0" 24' 4" 26' 3" 26' 3" 23' 4" 800S ' 5" 74' " 65' 6" 54' 6" 5' 2" 43' " 47' 2" 46' 5" 39' 2" 42' 3" 42' 3" 36' 4" 38' 7" 38' 7" 34' 3" 35' 8" 35' 8" 32' 6" 33' 5" 33' 5" 3' " 800S ' 9" 68' " 59' 6" 47' 2" 46' 5" 39' 2" 40' " 40' " 35' 7" 36' 7" 36' 7" 33' " 33' 5" 33' 5" 3' " 30' " 30' " 29' 6" 28' " 28' " 28' 3" 800S ' 9" 59' 6" 52' 0" 38' 7" 38' 7" 34' 3" 33' 5" 33' 5" 3' " 29' 0" 29' 0" 28' 0" 27' 3" 27' 3" 27' 2" 25' 3" 25' 3" 25' 3" 23' 7" 23' 7" 23' 7" 800S ' 5" 74' " 65' 6" 58' 6" 5' 2" 43' " 53' 2" 46' 5" 39' 2" 49' 4" 43' " 36' 4" 46' 5" 40' 7" 34' 3" 43' " 38' 7" 32' 6" 4' " 36' 0" 3' " 800S ' 0" 68' " 59' 6" 53' 2" 46' 5" 39' 2" 48' 4" 42' 2" 35' 7" 44' 0" 39' 2" 33' " 4' " 36' 0" 3' " 38' 0" 35' 0" 29' 6" 35' 7" 33' 6" 28' 3" 800S ' " 59' 6" 52' 0" 46' 5" 40' 7" 34' 3" 4' " 36' 0" 3' " 36' 9" 34' 3" 28' 0" 33' 7" 32' 3" 27' 2" 3' " 30' 7" 25' 0" 29' " 29' " 24' 8" 800S ' 8" 54' 8" 50' 3" 3' 7" 3' 7" 3' 7" 27' 4" e 27' 4" e 27' 4" e 24' 5" e 24' 5" e 24' 5" e 22' 4" e 22' 4" e 22' 4" e 20' 8" e 20' 8" e 20' 8" e 9' 4" e 9' 4" e 9' 4" e 800S ' 4" 47' 4" 45' 8" 27' 4" e 27' 4" e 27' 4" e 23' 8" e 23' 8" e 23' 8" e 2' 2" e 2' 2" e 2' 2" e 9' 4" e 9' 4" e 9' 4" e 7' " e 7' " e 7' " e 6' 9" e 6' 9" e 6' 9" e 800S ' 8" 38' 8" 38' 8" 22' 4" e 22' 4" e 22' 4" e 9' 4" e 9' 4" e 9' 4" e 7' 3" e 7' 3" e 7' 3" e 5' 9" e 5' 9" e 5' 9" e 4' 7" e 4' 7" e 4' 7" e 3' 8" e 3' 8" e 3' 8" e 800S ' 0" 6' 0" 54' 0" 36' 0" 36' 0" 35' 7" 3' " 3' " 3' " 28' 7" 28' 7" 28' 7" 26' " e 26' " e 26' " e 24' " e 24' " e 24' " e 22' 7" e 22' 7" e 22' 7" e 800S ' 3" 55' 3" 49' " 3' " 3' " 3' " 27' 8" 27' 8" 27' 8" 24' 9" e 24' 9" e 24' 9" e 22' 7" e 22' 7" e 22' 7" e 20' " e 20' " e 20' " e 9' 7" e 9' 7" e 9' 7" e 800S ' 2" 45' 2" 42' 0" 26' " e 26' " e 26' " e 22' 7" e 22' 7" e 22' 7" e 20' 2" e 20' 2" e 20' 2" e 8' 5" e 8' 5" e 8' 5" e 7' " e 7' " e 7' " e 5' " e 5' " e 5' " e 800S ' 0" 6' 7" 53' 9" 42' 0" 42' 0" 35' 5" 36' 5" 36' 5" 32' 2" 32' 7" 32' 7" 29' 0" 29' 9" 29' 9" 28' " 27' 6" 27' 6" 26' 8" 25' 9" 25' 9" 25' 6" 800S ' " 55' " 48' 0" 36' 5" 36' 5" 32' 2" 3' 6" 3' 6" 29' 3" 28' 2" 28' 2" 27' 2" 25' 9" 25' 9" 25' 6" 23' 0" 23' 0" 23' 0" 22' 4" e 22' 4" e 22' 4" e 800S ' 6" 48' 0" 42' 8" 29' 9" 29' 9" 28' " 25' 9" 25' 9" 25' 6" 23' 0" e 23' 0" e 23' 0" e 2' 0" e 2' 0" e 2' 0" e 9' 6" e 9' 6" e 9' 6" e 8' 2" e 8' 2" e 8' 2" e 800S ' 5" 66' 5" 58' 0" 42' " 42' " 38' 2" 37' 2" 37' 2" 34' 9" 33' 3" 33' 3" 32' 3" 30' 5" 30' 5" 30' 4" 28' " 28' " 28' " 26' 4" 26' 4" 26' 4" 800S ' 5" 60' 4" 52' 8" 37' 2" 37' 2" 34' 9" 32' 3" 32' 3" 3' 6" 28' 0" 28' 0" 28' 0" 26' 4" 26' 4" 26' 4" 24' 4" 24' 4" 24' 4" 22' 9" e 22' 9" e 22' 9" e 800S ' 7" 52' 7" 46' 0" 30' 5" 30' 5" 30' 4" 26' 4" 26' 4" 26' 4" 23' 6" e 23' 6" e 23' 6" e 2' 6" e 2' 6" e 2' 6" e 9' " e 9' " e 9' " e 8' 7" e 8' 7" e 8' 7" e 800S ' 7" 66' 4" 58' 0" 49' 3" 45' 3" 38' 2" 42' 8" 4' 2" 34' 8" 38' 2" 38' 2" 32' 2" 34' 0" 34' 0" 30' 4" 32' 3" 32' 3" 28' 9" 30' 2" 30' 2" 27' 6" 800S ' " 60' 3" 52' 8" 42' 8" 4' 2" 34' 8" 36' " 36' " 3' 6" 33' " 33' " 29' 3" 30' 2" 30' 2" 27' 6" 27' " 27' " 26' 2" 26' 2" 26' 2" 25' 0" 800S ' 4" 52' 8" 46' 0" 34' 0" 34' 0" 30' 4" 30' 2" 30' 2" 27' 6" 27' 0" 27' 0" 25' 7" 24' 8" 24' 8" 24' " 22' 0" 22' 0" 22' 0" 2' 4" 2' 4" 2' 4" 800S ' 6" 73' " 64' 7" 53' 5" 50' 5" 42' 7" 46' 3" 45' 0" 38' 8" 4' 5" 4' 5" 35' " 37' 9" 37' 9" 33' 9" 35' 0" 35' 0" 32' " 32' 9" 32' 9" 30' 8" 800S ' 2" 67' 2" 58' 8" 46' 3" 45' 0" 38' 8" 40' " 40' " 35' " 35' 0" 35' 0" 32' 7" 32' 9" 32' 9" 30' 8" 30' 3" 30' 3" 29' 2" 28' 4" 28' 4" 27' " 800S ' 5" 58' 8" 5' 3" 37' 9" 37' 9" 33' 9" 32' 9" 32' 9" 30' 8" 29' 3" 29' 3" 28' 6" 26' 9" 26' 9" 26' 9" 24' 9" 24' 9" 24' 9" 23' 2" 23' 2" 23' 2" 800S ' 2" 73' " 64' 7" 57' 9" 50' 5" 42' 7" 52' 6" 45' 0" 38' 8" 48' 4" 42' 7" 35' " 44' 2" 40' 0" 33' 9" 40' " 38' 0" 32' " 38' 3" 36' 5" 30' 8" 800S ' 8" 67' 2" 58' 8" 52' 6" 45' 0" 38' 8" 46' 0" 4' 8" 35' " 4' " 38' 8" 32' 7" 38' 3" 36' 5" 30' 8" 35' 5" 34' 7" 29' 2" 33' " 33' " 27' " 800S ' " 58' 8" 5' 3" 44' 2" 40' 0" 33' 9" 38' 3" 36' 5" 30' 8" 34' 2" 33' 9" 28' 6" 3' 3" 3' 3" 26' 0" 28' " 28' " 25' 6" 27' 0" 27' 0" 24' 4" 800S ' 9" 78' 5" 68' 6" 58' 4" 53' 6" 45' " 50' 6" 48' 7" 4' 0" 45' 2" 45' " 38' " 4' 3" 4' 3" 35' 0" 38' 2" 38' 2" 34' 0" 35' 9" 35' 9" 32' 6" 800S ' 6" 7' 3" 62' 3" 50' 6" 48' 7" 4' 0" 43' 9" 43' 9" 37' 3" 39' " 39' " 34' 7" 35' 9" 35' 9" 32' 6" 33' " 33' " 30' " 30' " 30' " 29' 7" 800S ' 5" 62' 3" 54' 4" 4' 3" 4' 3" 35' 0" 35' 9" 35' 9" 32' 6" 3' " 3' " 30' 2" 29' 2" 29' 2" 28' 5" 27' 0" 27' 0" 27' 0" 25' 3" 25' 3" 25' 3" 800S ' 9" 78' 5" 68' 6" 6' 3" 53' 6" 45' " 55' 7" 48' 7" 4' 0" 5' 8" 45' " 38' " 48' 7" 42' 5" 35' 0" 46' 2" 40' 4" 34' 0" 43' 5" 38' 7" 32' 6" 800S ' 9" 7' 3" 62' 3" 55' 7" 48' 7" 4' 0" 50' 6" 44' 2" 37' 3" 46' " 4' 0" 34' 7" 43' 5" 38' 7" 32' 6" 40' 2" 36' 8" 30' " 37' 7" 35' 0" 29' 7" 800S ' 5" 62' 3" 54' 4" 48' 7" 42' 5" 35' 0" 43' 5" 38' 7" 32' 6" 38' 0" 35' 0" 30' 2" 35' 5" 33' 8" 28' 5" 32' 0" 32' 0" 27' 0" 30' 8" 30' 7" 25' 0" 800S ' " 63' " 55' 0" 37' 6" 37' 6" 36' 9" 32' 6" 32' 6" 32' 6" 29' " 29' " 29' " 26' 6" e 26' 6" e 26' 6" e 24' 7" e 24' 7" e 24' 7" e 23' 0" e 23' 0" e 23' 0" e 800S ' 3" 56' 3" 50' 9" 32' 6" 32' 6" 32' 6" 28' " 28' " 28' " 25' 2" e 25' 2" e 25' 2" e 23' 0" e 23' 0" e 23' 0" e 2' 3" e 2' 3" e 2' 3" e 9' " e 9' " e 9' " e 800S ' " 45' " 44' 4" 26' 6" e 26' 6" e 26' 6" e 23' 0" e 23' 0" e 23' 0" e 20' 6" e 20' 6" e 20' 6" e 8' 9" e 8' 9" e 8' 9" e 7' 4" e 7' 4" e 7' 4" e 6' 3" e 6' 3" e 6' 3" e 800S ' 0" 62' " 54' " 42' 7" 42' 7" 36' 2" 36' " 36' " 32' 0" 33' 0" 33' 0" 30' 6" 30' 2" 30' 2" 28' 9" 27' " 27' " 27' 3" 26' " 26' " 26' " 800S ' " 57' 2" 49' " 36' " 36' " 32' 0" 32' 0" 32' 0" 29' 0" 28' 7" 28' 7" 27' 9" 26' " 26' " 26' " 24' 2" 24' 2" 24' 2" 22' 7" e 22' 7" e 22' 7" e 800S ' 2" 49' " 43' 7" 30' 2" 30' 2" 28' 9" 26' " 26' " 26' " 23' 4" e 23' 4" e 23' 4" e 2' 4" e 2' 4" e 2' 4" e 9' 9" e 9' 9" e 9' 9" e 8' 5" e 8' 5" e 8' 5" e 800S ' " 68' " 60' 2" 43' 0" 43' 0" 39' 8" 38' 0" 38' 0" 36' 0" 33' " 33' " 33' 5" 3' 0" 3' 0" 3' 0" 28' 8" 28' 8" 28' 8" 26' 0" 26' 0" 26' 0" 800S ' 9" 62' 7" 54' 8" 38' 0" 38' 0" 36' 0" 32' " 32' " 32' 9" 29' 5" 29' 5" 29' 5" 26' 0" 26' 0" 26' 0" 24' 0" 24' 0" 24' 0" 23' 3" e 23' 3" e 23' 3" e 800S ' 8" 53' 8" 47' 9" 3' 0" 3' 0" 3' 0" 26' 0" 26' 0" 26' 0" 24' 0" e 24' 0" e 24' 0" e 2' " e 2' " e 2' " e 20' 3" e 20' 3" e 20' 3" e 9' 0" e 9' 0" e 9' 0" e 800S ' " 68' 4" 59' 8" 50' " 46' 7" 39' 4" 43' 4" 42' 4" 35' 9" 38' 9" 38' 9" 33' 2" 35' 5" 35' 5" 3' 2" 32' 9" 32' 9" 29' 8" 30' 8" 30' 8" 28' 4" 800S ' " 62' " 54' 3" 43' 4" 42' 4" 35' 9" 37' 6" 37' 6" 32' 5" 33' 7" 33' 7" 30' " 30' 8" 30' 8" 28' 4" 28' 5" 28' 5" 26' " 26' 7" 26' 7" 25' 9" 800S ' 4" 54' 3" 47' 4" 35' 5" 35' 5" 3' 2" 30' 8" 30' 8" 28' 4" 27' 5" 27' 5" 26' 4" 25' 0" 25' 0" 24' 9" 23' 2" 23' 2" 23' 2" 2' 8" 2' 8" 2' 8" 800S ' 9" 76' " 67' 2" 55' 3" 52' 5" 44' 3" 47' 0" 47' 8" 40' 2" 42' 0" 42' 0" 37' 4" 39' " 39' " 35' " 36' 2" 36' 2" 33' 4" 33' 0" 33' 0" 3' " 800S ' " 69' 0" 6' 0" 47' 0" 47' 8" 40' 2" 4' 5" 4' 5" 36' 6" 37' " 37' " 33' " 33' 0" 33' 0" 3' " 3' 4" 3' 4" 30' 4" 29' 4" 29' 4" 29' 0" 800S ' 8" 6' 0" 53' 4" 39' " 39' " 35' " 33' 0" 33' 0" 3' " 30' 3" 30' 3" 29' 7" 27' 8" 27' 8" 27' 8" 25' 7" 25' 7" 25' 7" 23' " 23' " 23' " 800S ' 5" 76' 6" 66' 0" 59' 9" 52' 2" 44' 0" 54' 3" 47' 5" 40' 0" 49' 4" 44' 0" 37' 2" 45' " 4' 5" 34' " 4' 9" 39' 4" 33' 2" 39' 0" 37' 8" 3' 9" 800S ' 7" 69' 6" 60' 9" 54' 3" 47' 5" 40' 0" 47' 9" 43' " 36' 4" 42' 9" 40' 0" 33' 9" 39' 0" 37' 8" 3' 9" 36' 2" 35' 9" 30' 2" 33' 0" 33' 0" 28' 0" 800S ' 6" 60' 9" 53' " 45' " 4' 5" 34' " 39' 0" 37' 8" 3' 9" 34' " 34' " 29' 6" 3' 0" 3' 0" 27' 9" 29' 6" 29' 6" 26' 4" 27' 7" 27' 7" 25' 2" 800S ' 9" 8' 7" 7' 3" 6' " 55' 8" 46' " 53' 7" 50' 7" 42' 8" 47' " 46' " 39' 7" 43' 9" 43' 9" 37' 3" 40' 6" 40' 6" 35' 5" 37' " 37' " 33' 0" 800S ' 0" 74' " 64' 9" 53' 7" 50' 7" 42' 8" 46' 5" 45' " 38' 9" 4' 6" 4' 6" 36' 0" 37' " 37' " 33' 0" 35' " 35' " 32' 2" 32' 0" 32' 0" 30' 9" 800S ' 0" 64' 9" 56' 7" 43' 9" 43' 9" 37' 3" 37' " 37' " 33' 0" 33' " 33' " 3' 5" 30' " 30' " 29' 7" 28' 8" 28' 8" 28' " 26' 0" 26' 0" 26' 0" 800S ' 6" 8' 4" 7' " 63' 6" 55' 6" 46' 0" 57' 8" 50' 5" 42' 6" 53' 7" 46' 0" 39' 6" 50' 5" 44' 0" 37' 2" 47' 7" 4' 0" 35' 3" 44' 6" 40' 0" 33' 9" 800S ' " 73' " 64' 7" 57' 8" 50' 5" 42' 6" 52' 5" 45' 0" 38' 8" 48' 8" 42' 6" 35' 0" 44' 6" 40' 0" 33' 9" 4' 2" 38' 0" 32' " 38' 6" 36' 4" 30' 8" 800S ' 4" 64' 7" 56' 5" 50' 5" 44' 0" 37' 2" 44' 6" 40' 0" 33' 9" 39' 0" 37' 2" 3' 4" 36' 4" 34' " 29' 6" 33' 8" 33' 2" 28' 0" 3' 6" 3' 6" 26' 9" 800S ' 0" 66' " 58' 5" 4' 7" 4' 7" 38' 6" 36' 0" 36' 0" 35' 0" 32' 3" e 32' 3" e 32' 3" e 29' 5" e 29' 5" e 29' 5" e 27' 3" e 27' 3" e 27' 3" e 25' 6" e 25' 6" e 25' 6" e 800S ' 4" 60' 0" 53' " 36' 0" 36' 0" 35' 0" 3' 2" e 3' 2" e 3' 2" e 27' " e 27' " e 27' " e 25' 6" e 25' 6" e 25' 6" e 23' 7" e 23' 7" e 23' 7" e 22' " e 22' " e 22' " e 800S ' " 50' " 46' 5" 29' 5" e 29' 5" e 29' 5" e 25' 6" e 25' 6" e 25' 6" e 22' 9" e 22' 9" e 22' 9" e 20' 9" e 20' 9" e 20' 9" e 9' 3" e 9' 3" e 9' 3" e 8' 0" e 8' 0" e 8' 0" e See Curtain Wall Limiting Heights Table Notes on page 35. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 45

48 Limiting Wall Heights - Curtain Wall 2-span Spacing, Fy, 5 psf 5 psf 20 psf 25 psf 30 psf 35 psf 40 psf Stud Member in, oc ksi L/20 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/ S ' " 66' 3" 57' 0" 47' 5" 45' 2" 38' " 4' " 4' " 34' 7" 36' 9" 36' 9" 32' 2" 33' 6" 33' 6" 30' 3" 3' 0" 3' 0" 28' 9" 29' 0" e 29' 0" e 27' 6" 800S ' " 60' 2" 52' 7" 4' " 4' " 34' 7" 35' 7" 35' 7" 3' 6" 3' 0" 3' 0" 29' 2" 29' 0" e 29' 0" e 27' 6" 26' 0" e 26' 0" e 26' " e 25' 2" e 25' 2" e 25' 0" e 800S ' " 52' 7" 45' " 33' 6" 33' 6" 30' 3" 29' 0" e 29' 0" e 27' 6" 26' 0" e 26' 0" e 25' 6" e 23' 8" e 23' 8" e 23' 8" e 2' " e 2' " e 2' " e 20' 6" e 20' 6" e 20' 6" e 800S ' 0" 72' 6" 63' 4" 48' 5" 48' 5" 4' 8" 4' " 4' " 37' " 37' 6" 37' 6" 35' 2" 34' 3" 34' 3" 33' " 3' 8" 3' 8" 3' 5" 29' 8" e 29' 8" e 29' 8" e 800S ' 7" 65' 0" 57' 6" 4' " 4' " 37' " 36' 4" 36' 4" 34' 5" 32' 6" 32' 6" 32' 0" 29' 8" e 29' 8" e 29' 8" e 27' 5" e 27' 5" e 27' 5" e 25' 8" e 25' 8" e 25' 8" e 800S ' 3" 57' 6" 50' 3" 34' 3" 34' 3" 33' " 29' 8" e 29' 8" e 29' 8" e 26' 6" e 26' 6" e 26' 6" e 24' 2" e 24' 2" e 24' 2" e 22' 5" e 22' 5" e 22' 5" e 2' 0" e 2' 0" e 2' 0" e 800S ' 0" 72' 3" 63' " 55' 5" 49' 3" 4' 7" 48' 0" 44' 9" 37' 9" 42' " 4' 7" 35' " 39' 2" 39' " 33' 0" 36' 4" 36' 4" 3' 4" 33' " 33' " 30' 0" 800S ' 8" 65' 7" 57' 4" 48' 0" 44' 9" 37' 9" 4' 7" 40' 8" 34' 4" 37' 2" 37' 2" 3' 0" 33' " 33' " 30' 0" 3' 5" 3' 5" 28' 6" 29' 5" 29' 5" 27' 3" 800S ' " 57' 4" 50' " 39' 2" 39' " 33' 0" 33' " 33' " 30' 0" 30' 4" 30' 4" 27' 0" 27' 9" 27' 9" 26' 2" 25' 8" e 25' 8" e 24' 0" 24' 0" e 24' 0" e 23' 9" e 800S ' " 80' " 70' 8" 60' 7" 55' 2" 46' 6" 52' 6" 50' 2" 42' 3" 46' " 46' 6" 39' 3" 42' 0" 42' 0" 36' " 39' 8" 39' 8" 35' " 37' " 37' " 33' 7" 800S ' 0" 73' 6" 64' 2" 52' 6" 50' 2" 42' 3" 45' 5" 45' 5" 38' 5" 40' 8" 40' 8" 35' 8" 37' " 37' " 33' 7" 34' 4" 34' 4" 3' " 32' " 32' " 30' 6" 800S ' 2" 64' 2" 56' " 42' 0" 42' 0" 36' " 37' " 37' " 33' 7" 33' 2" 33' 2" 3' 2" 30' 3" 30' 3" 29' 4" 28' 0" 28' 0" 27' 0" 26' 3" 26' 3" 26' 3" 800S ' " 80' " 70' 8" 63' 2" 55' 2" 46' 6" 57' 5" 50' 2" 42' 3" 53' 3" 46' 6" 39' 3" 49' 6" 43' 0" 36' " 45' 0" 4' 7" 35' " 42' " 39' 9" 33' 7" 800S ' 7" 73' 6" 64' 2" 57' 5" 50' 2" 42' 3" 52' 2" 45' 7" 38' 5" 47' 0" 42' 3" 35' 8" 42' " 39' 9" 33' 7" 39' 9" 37' 0" 3' " 37' 2" 36' 2" 30' 6" 800S ' " 64' 2" 56' " 49' 6" 43' 0" 36' " 42' " 39' 9" 33' 7" 38' 4" 36' " 3' 2" 35' 0" 34' 9" 29' 4" 32' 5" 32' 5" 27' 0" 30' 4" 30' 4" 26' 8" 800S ' 3" 85' " 75' 0" 66' 0" 58' 7" 49' 5" 57' " 53' 3" 44' " 5' 0" 49' 5" 4' 8" 47' 3" 46' 6" 39' 3" 43' 9" 43' 9" 37' 3" 40' " 40' " 35' 8" 800S ' 4" 78' 0" 68' 2" 57' " 53' 3" 44' " 50' 2" 48' 4" 40' 0" 44' 0" 44' 0" 37' 0" 40' " 40' " 35' 8" 37' " 37' " 33' 0" 35' 6" 35' 6" 32' 5" 800S ' " 68' 2" 59' 7" 47' 3" 46' 6" 39' 3" 40' " 40' " 35' 8" 36' 7" 36' 7" 33' " 33' 5" 33' 5" 3' 2" 30' " 30' " 29' 7" 28' " 28' " 28' 3" 800S ' 3" 85' " 75' 0" 67' " 58' 7" 49' 5" 60' " 53' 3" 44' " 56' 7" 49' 5" 4' 8" 53' 3" 46' 6" 39' 3" 50' 7" 44' 2" 37' 3" 48' 4" 42' 3" 35' 8" 800S ' 4" 78' 0" 68' 2" 60' " 53' 3" 44' " 55' 4" 48' 4" 40' 0" 5' 5" 44' " 37' 0" 48' 4" 42' 3" 35' 8" 45' " 40' 2" 33' 0" 42' 2" 38' 5" 32' 5" 800S ' " 68' 2" 59' 7" 53' 3" 46' 6" 39' 3" 48' 4" 42' 3" 35' 8" 43' 7" 39' 3" 33' " 39' 9" 36' " 3' 2" 36' 0" 35' " 29' 7" 34' 5" 33' 6" 28' 3" See Curtain Wall Limiting Heights Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

49 Combined Axial and Lateral Load Tables Combined Axial and Lateral Load Table Notes. Allowable axial loads listed in kips ( kip = 000 pounds). 2. Allowable axial loads determined in accordance with section C5, AISI S00-07, with section D4 used for treatment of punchouts, and assumes that all axial loads pass through the geometric center of the section. 3. Listed lateral pressures and axial loads have not been modified for /3 stress increase based upon wind/earthquake or multiple transient loads. Increased loads may be possible depending upon the actual load combinations for the specific condition under investigation. Verifying calculations for those specific conditions would be required to be performed by a qualified engineer. 4. Allowable axial loads based upon lateral and torsional bracing at a maximum spacing of 4 feet on center. 5. With the exception of 5 psf interior walls, wind pressures have been multiplied by 0.7 for deflection determination in accordance with footnote f of IBC table Studs are assumed to be adequately braced at a maximum spacing of Lu to develop full allowable moment, Ma. 7. End supports have not been checked for web crippling. Refer to web crippling capacity tables. 8. All tables are based upon simple (single) span. 9. Cells marked with an * have h/t>200, thus requiring bearing stiffeners. Cells are left blank when h/t> Cells marked with an a, b, c, d, e, or f meets L/720, L/600, L/480, L/360, L/240, or L/20 respectively. Blank cells do not meet L/20. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 47

50 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load (Interior Walls Only) 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.57 a 3.97 a 5.08 a 7.36 a.5 a 2.5 a 3.33 a 4.37 a.88 a 2.65 a 4.6 a 5.39 a 7.79 a a 2.49 a 3.9 a 5.0 a 7.26 a.43 a 2.08 a 3.27 a 4.3 a.8 a 2.58 a 4.09 a 5.32 a 7.68 a 24.6 a 2.34 a 3.77 a 4.88 a 7.05 a.3 a.95 a 3.5 a 4.8 a.66 a 2.43 a 3.95 a 5.8 a 7.48 a 2.68 a 2.39 a 3.65 a 4.68 a 6.73 a.39 a 2.02 a 3.2 a 4.08 a.74 a 2.49 a 3.86 a 4.99 a 7.7 a a 2.3 a 3.57 a 4.59 a 6.6 a.3 a.93 a 3.04 a 4 a.65 a 2.39 a 3.78 a 4.9 a 7.04 a 24.4 a 2. a 3.4 a 4.42 a 6.35 a.4 a.77 a 2.89 a 3.84 a.47 a 2.2 a 3.6 a 4.73 a 6.79 a 2.52 a 2.2 a 3.3 a 4.23 a 6.05 a.27 a.87 a 2.86 a 3.74 a.59 a 2.3 a 3.54 a 4.55 a 6.5 a a 2.08 a 3.2 a 4.3 a 5.9 a.7 a.77 a 2.77 a 3.64 a.48 a 2.9 a 3.43 a 4.45 a 6.35 a 24.2 a.87 a 3 a 3.93 a 5.6 a 0.98 a.57 a 2.59 a 3.45 a.28 a.97 a 3.23 a 4.25 a 6.05 a 2.9 a.77 a 2.57 a 3.32 a 4.65 a a.53 a 2.29 a 2.99 a.26 a.88 a 2.8 a 3.6 a 5.08 a b.63 a 2.45 a 3.9 a 4.47 a 0.88 b.4 a 2.7 a 2.86 a.3 a.74 a 2.67 a 3.48 a 4.89 a d.37 c 2.22 a 2.96 a 4.4 a 0.65 d.5 c.96 b 2.64 a 0.88 c.47 b 2.44 a 3.24 a 4.54 a c.35 a.96 a 2.55 a 3.53 a 0.74 c.8 b.77 a 2.3 a 0.94 b.46 a 2.5 a 2.79 a 3.86 a d.9 c.83 b 2.42 a 3.34 a 0.6 d.03 c.64 b 2.8 a 0.79 d.3 b 2.0 a 2.65 a 3.67 a e 0.92 d.6 d 2.7 c 3 a 0.36 e 0.77 e.4 d.94 c 0.53 e.0 d.77 c 2.4 b 3.3 a d 0.98 c.49 b.96 a 2.68 a 0.5 d 0.86 d.34 c.78 b 0.67 d.08 c.64 b 2.5 a 2.95 a e 0.82 d.36 d.83 c 2.5 a 0.37 e 0.7 e.22 d.64 c 0.52 e 0.92 d.5 c 2.0 b 2.75 a f 0.56 e.4 e.59 d 2.7 c 0.4 f 0.46 f e.4 e 0.27 f 0.64 e.26 e.76 d 2.4 c Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load (Interior Walls Only) 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 3.29 a 5.9 a 6.69 a 9.45 a.62 a 2.32 a 3.68 a 4.99 a 2.04 a 2.88 a 4.62 a 6.9 a 9.0 a a 3.2 a 5. a 6.6 a 9.34 a.56 a 2.26 a 3.62 a 4.93 a.97 a 2.8 a 4.56 a 6.2 a 8.9 a a 3.05 a 4.96 a 6.46 a 9.2 a.43 a 2.4 a 3.5 a 4.8 a.83 a 2.67 a 4.43 a 5.99 a 8.7 a 2 2. a 3.08 a 4.8 a 6.7 a 8.69 a.53 a 2.22 a 3.5 a 4.8 a.92 a 2.73 a 4.37 a 5.86 a 8.46 a a 2.98 a 4.7 a 6.08 a 8.56 a.45 a 2.4 a 3.43 a 4.72 a.83 a 2.65 a 4.29 a 5.78 a 8.33 a a 2.78 a 4.52 a 5.89 a 8.29 a.29 a.98 a 3.28 a 4.56 a.66 a 2.47 a 4.2 a 5.6 a 8.07 a 2.94 a 2.85 a 4.38 a 5.62 a 7.88 a.42 a 2.09 a 3.3 a 4.5 a.78 a 2.57 a 4.08 a 5.48 a 7.83 a a 2.72 a 4.26 a 5.5 a 7.72 a.33 a.99 a 3.2 a 4.4 a.68 a 2.46 a 3.98 a 5.38 a 7.67 a 24.6 a 2.49 a 4.04 a 5.28 a 7.4 a.4 a.8 a 3.03 a 4.2 a.48 a 2.25 a 3.78 a 5.7 a 7.36 a 2.58 a 2.34 a 3.47 a 4.45 a 6.9 a.8 a.78 a 2.79 a 3.76 a.48 a 2.9 a 3.42 a 4.56 a 6.4 a a 2.8 a 3.33 a 4.3 a 5.99 a.05 a.65 a 2.66 a 3.63 a.34 a 2.04 a 3.28 a 4.42 a 6.2 a 24.5 c.89 a 3.06 a 4.05 a 5.62 a 0.82 c.4 b 2.43 a 3.38 a.08 b.77 a 3.03 a 4.5 a 5.82 a 2.2 a.83 a 2.66 a 3.45 a 4.75 a 0.9 b.44 a 2.24 a 2.98 a.5 a.77 a 2.72 a 3.59 a 4.99 a c.65 b 2.5 a 3.29 a 4.53 a 0.77 c.28 b 2. a 2.83 a c.6 a 2.57 a 3.43 a 4.76 a d.34 d 2.23 c 3.0 a 4.4 a 0.5 e d.84 c 2.56 b 0.72 d.3 c 2.29 b 3.4 a 4.35 a c.38 b 2.03 a 2.67 a 3.66 a 0.66 d. c.76 a 2.32 a 0.86 c.38 b 2.3 a 2.8 a 3.85 a d.2 c.88 c 2.5 a 3.44 a 0.5 e 0.94 d.6 c 2.7 b 0.7 d.2 c.97 b 2.64 a 3.62 a e 0.89 e.6 d 2.24 c 3.06 b 0.25 f 0.65 e.35 d.89 d 0.4 e 0.88 e.69 d 2.34 c 3.2 b See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

51 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load (Interior Walls Only) 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 3.56 a 5.78 a 7.64 a 0.94 a 2.39 a 3.37 a 5.62 a 7.44 a.24 a.77 a 2.5 a 3.8 a 5.05 a 7.54 a a 3.48 a 5.7 a 7.57 a 0.83 a 2.34 a 3.32 a 5.57 a 7.4 a.6 a.73 a 2.47 a 3.78 a 5.02 a 7.5 a a 3.34 a 5.56 a 7.42 a 0.6 a 2.24 a 3.22 a 5.47 a 7.3 a.02 a.65 a 2.39 a 3.72 a 4.96 a 7.45 a a 3.38 a 5.44 a 7.2 a 0.24 a 2.32 a 3.29 a 5.54 a 7.4 a.6 a.74 a 2.47 a 3.78 a 5.02 a 7.5 a a 3.28 a 5.35 a 7. a 0. a 2.26 a 3.23 a 5.48 a 7.33 a.07 a.69 a 2.43 a 3.74 a 4.98 a 7.47 a a 3.09 a 5.6 a 6.92 a 9.83 a 2.3 a 3. a 5.35 a 7.2 a 0.87 a.59 a 2.33 a 3.66 a 4.9 a 7.39 a a 3.7 a 5.06 a 6.7 a 9.46 a 2.25 a 3.2 a 5.4 a 7.33 a.07 a.7 a 2.44 a 3.75 a 4.99 a 7.48 a a 3.05 a 4.94 a 6.59 a 9.29 a 2.6 a 3.2 a 5.32 a 7.24 a 0.94 a.63 a 2.37 a 3.7 a 4.94 a 7.42 a a 2.83 a 4.72 a 6.36 a 8.96 a 2 a 2.96 a 5.6 a 7.08 a 0.69 a.5 a 2.25 a 3.59 a 4.84 a 7.32 a 2.8 a 2.7 a 4.2 a 5.58 a 7.77 a 2.05 a 2.98 a 5.0 a 6.84 a 0.78 a.6 a 2.34 a 3.67 a 4.9 a 7.39 a a 2.55 a 4.06 a 5.42 a 7.54 a.93 a 2.86 a 4.9 a 6.72 a 0.57 a.5 a 2.25 a 3.59 a 4.83 a 7.3 a a 2.25 a 3.77 a 5.3 a 7.2 a.7 a 2.63 a 4.67 a 6.48 a 0.7 a.33 a 2.07 a 3.43 a 4.67 a 7.4 a 2.45 a 2.2 a 3.35 a 4.4 a 6.08 a.8 a 2.69 a 4.5 a 6.9 a 9.64 a.48 a 2.22 a 3.55 a 4.79 a 7.26 a b 2.02 a 3.7 a 4.23 a 5.83 a.66 a 2.53 a 4.35 a 6.02 a 9.36 a.36 a 2.09 a 3.44 a 4.67 a 7.3 a d.68 b 2.86 a 3.9 a 5.38 a.37 a 2.23 a 4.05 a 5.7 a 8.83 a. a.85 a 3.2 a 4.45 a 6.89 a 2. b.73 a 2.62 a 3.44 a 4.72 a.53 a 2.35 a 3.9 a 5.4 a 8.3 a.34 a 2.07 a 3.4 a 4.63 a 7.07 a d.53 b 2.44 a 3.26 a 4.47 a.35 a 2.6 a 3.72 a 5.2 a 7.97 a.8 a.9 a 3.24 a 4.47 a 6.89 a e.9 d 2.3 c 2.93 b 4.02 a.02 c.8 a 3.37 a 4.8 a 7.34 a 0.87 c.59 a 2.95 a 4.6 a 6.55 a Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load (Interior Walls Only) 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 3.39 a 5.6 a 7.44 a.38 a 2.86 a 4.3 a 7.46 a 9.96 a 5.63 a.7 a* 2.43 a 3.57 a 4.75 a 7.23 a a 3.34 a 5.56 a 7.39 a.34 a 2.8 a 4.26 a 7.4 a 9.9 a 5.57 a.68 a* 2.4 a 3.55 a 4.73 a 7.2 a a 3.25 a 5.47 a 7.3 a.25 a 2.72 a 4.6 a 7.3 a 9.8 a 5.47 a.63 a* 2.35 a 3.5 a 4.68 a 7.7 a a 3.35 a 5.56 a 7.4 a.34 a 2.8 a 4.23 a 7.3 a 9.78 a 5.36 a.69 a* 2.4 a 3.55 a 4.73 a 7.2 a a 3.29 a 5.5 a 7.34 a.28 a 2.74 a 4.6 a 7.25 a 9.72 a 5.29 a.65 a* 2.37 a 3.52 a 4.7 a 7.9 a a 3.7 a 5.4 a 7.23 a.6 a 2.62 a 4.03 a 7.2 a 9.58 a 5.5 a.58 a* 2.3 a 3.47 a 4.65 a 7.4 a a 3.3 a 5.5 a 7.35 a.28 a 2.73 a 4.3 a 7.4 a 9.56 a 5.03 a.66 a* 2.38 a 3.53 a 4.7 a 7.2 a a 3.23 a 5.44 a 7.28 a.2 a 2.65 a 4.05 a 7.05 a 9.48 a 4.94 a.62 a* 2.34 a 3.49 a 4.68 a 7.6 a a 3.08 a 5.3 a 7.4 a.06 a 2.5 a 3.88 a 6.89 a 9.3 a 4.77 a.53 a* 2.26 a 3.43 a 4.6 a 7. a a 3.3 a 5.33 a 7.22 a.4 a 2.55 a 3.88 a 6.67 a 8.98 a 4.6 a.6 a* 2.32 a 3.48 a 4.66 a 7.5 a a 3.02 a 5.22 a 7. a.02 a 2.44 a 3.76 a 6.55 a 8.85 a 4.02 a.54 a* 2.26 a 3.43 a 4.6 a 7. a a 2.8 a 5.0 a 6.9 a 0.78 a 2.22 a 3.52 a 6.3 a 8.6 a 3.76 a.4 a* 2.4 a 3.33 a 4.52 a 7.0 a 2.95 a 2.89 a 4.9 a 6.73 a 0.87 a 2.32 a 3.56 a 6.07 a 8.22 a 3.0 a.53 a* 2.25 a 3.42 a 4.6 a 7.09 a a 2.74 a 4.76 a 6.58 a 0.69 a 2.7 a 3.4 a 5.9 a 8.05 a 2.82 a.44 a* 2.6 a 3.35 a 4.53 a 7.03 a a 2.46 a 4.47 a 6.28 a 0.33 a.89 a 3.09 a 5.59 a 7.72 a 2.44 a.27 a* 2 a 3.2 a 4.4 a 6.9 a 2.7 a 2.58 a 4.38 a 6.05 a 9.77 a 2.05 a 3.8 a 5.38 a 7.33 a.65 a.44 a* 2.6 a 3.34 a 4.53 a 7.02 a a 2.4 a 4.9 a 5.85 a 9.53 a.87 a 2.98 a 5.8 a 7.2 a.4 a.32 a* 2.05 a 3.25 a 4.44 a 6.93 a 24.2 b 2.06 a 3.84 a 5.48 a 9.07 a.52 a 2.6 a 4.79 a 6.7 a 0.92 a. a*.83 a 3.06 a 4.26 a 6.75 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 49

52 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load (Interior Walls Only) 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 3.35 a 5.43 a 7.25 a.26 a 2.97 a* 4.47 a 7.74 a 0.28 a 5.97 a a* 3.32 a 5.4 a 7.22 a.24 a 2.93 a* 4.44 a 7.7 a 0.24 a 5.94 a a* 3.26 a 5.35 a 7.6 a.8 a 2.86 a* 4.36 a 7.64 a 0.7 a 5.87 a a* 3.33 a 5.4 a 7.22 a.24 a 2.94 a* 4.44 a 7.7 a 0.25 a 5.94 a a* 3.29 a 5.37 a 7.9 a.2 a 2.89 a* 4.39 a 7.67 a 0.2 a 5.9 a a* 3.2 a 5.3 a 7.2 a.4 a 2.8 a* 4.3 a 7.57 a 0. a 5.8 a a* 3.3 a 5.38 a 7.2 a.2 a 2.9 a* 4.4 a 7.68 a 0.2 a 5.9 a a* 3.25 a 5.34 a 7.5 a.7 a 2.85 a* 4.35 a 7.62 a 0.6 a 5.85 a a* 3.5 a 5.24 a 7.06 a.08 a 2.73 a* 4.23 a 7.5 a 0.04 a 5.74 a a* 3.22 a 5.3 a 7.3 a.5 a 2.82 a* 4.32 a 7.59 a 0.2 a 5.8 a a* 3.5 a 5.24 a 7.06 a.08 a 2.74 a* 4.23 a 7.5 a 0.04 a 5.73 a a* 3 a 5. a 6.93 a 0.95 a 2.57 a* 4.06 a 7.32 a 9.86 a 5.56 a a* 3.3 a 5.22 a 7.04 a.06 a 2.69 a* 4.6 a 7.36 a 9.94 a 5.69 a a* 3.03 a 5.3 a 6.95 a 0.96 a 2.58 a* 4.04 a 7.24 a 9.8 a 5.56 a a* 2.83 a 4.94 a 6.76 a 0.77 a 2.35 a* 3.8 a 6.99 a 9.57 a 5.3 a a* 3.02 a 5. a 6.93 a 0.94 a 2.52 a* 3.93 a 6.95 a 9.42 a 5. a a* 2.89 a 4.98 a 6.8 a 0.8 a 2.37 a* 3.77 a 6.78 a 9.26 a 4.93 a a* 2.62 a 4.72 a 6.54 a 0.54 a 2.09 a* 3.46 a 6.46 a 8.93 a 4.59 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

53 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.3 a 3.57 a 4.68 a 6.76 a. a.75 a 2.97 a 4 a.45 a 2.22 a 3.75 a 4.98 a 7.8 a a.92 a 3.38 a 4.48 a 6.47 a 0.93 a.57 a 2.8 a 3.82 a.25 a 2.02 a 3.56 a 4.78 a 6.89 a a.53 a 3.0 a 4. a 5.92 a 0.59 b.2 a 2.47 a 3.47 a 0.88 a.63 a 3.2 a 4.4 a 6.34 a 2.5 a.85 a 3.6 a 4.8 a 5.99 a 0.92 a.53 a 2.67 a 3.6 a.22 a.95 a 3.37 a 4.49 a 6.43 a a.6 a 2.93 a 3.95 a 5.65 a 0.7 a.3 a 2.46 a 3.39 a 0.99 a.7 a 3.4 a 4.25 a 6.08 a c.6 b 2.5 a 3.5 a 5.0 a 0.32 c 0.89 b 2.08 a 2.98 a 0.56 c.26 a 2.7 a 3.8 a 5.43 a a.57 a 2.73 a 3.65 a 5.2 a 0.72 b.29 a 2.34 a 3.9 a 0.99 a.67 a 2.95 a 3.96 a 5.63 a c.29 a 2.48 a 3.39 a 4.82 a 0.49 c.04 b 2. a 2.94 a 0.73 b.4 a 2.69 a 3.69 a 5.24 a d 0.8 c 2.02 b 2.9 a 4.2 a 0.06 e 0.58 d.68 c 2.48 b 0.26 d 0.89 c 2.22 b 3.9 a 4.52 a d.02 c.92 b 2.64 a 3.69 a 0.35 d 0.83 c.67 b 2.33 a 0.55 d.2 b 2.2 a 2.9 a 4.07 a e 0.72 d.65 c 2.35 b 3.29 a 0.09 e 0.54 d.4 c 2.05 b 0.27 e 0.8 d.83 c 2.6 b 3.64 a e.7 e.85 d 2.57 c 0.04 e 0.95 e.55 d 0.26 e.32 d 2.07 d 2.89 b e 0.57 e.3 d.85 c 2.55 a 0.06 e 0.43 e.2 d.63 c 0.2 e 0.65 d.44 d 2.06 c 2.84 a e.03 e.57 d 2.6 c 0.4 e 0.86 e.35 d 0.33 e.6 e.76 d 2.42 c f.07 e.47 d 0.4 f 0.86 e 0.67 f.23 e.7 d f 0.84 e.28 d.74 c 0.3 f 0.7 e. e 0.29 e 0.95 e.43 d.95 c f.0 e.37 d 0.46 f 0.84 e 0.68 f.5 e.56 d f 0.54 f 0.74 e 0.04 f 0.38 f 0.22 f 0.65 f 0.89 e Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.82 a 4.74 a 6.24 a 8.8 a.25 a.95 a 3.34 a 4.62 a.63 a 2.47 a 4.24 a 5.79 a 8.4 a a 2.59 a 4.52 a 6.03 a 8.5 a.08 a.78 a 3.7 a 4.45 a.44 a 2.28 a 4.05 a 5.6 a 8.2 a 24.8 a 2.7 a 4. a 5.62 a 7.92 a 0.75 a.43 a 2.85 a 4. a.08 a.9 a 3.69 a 5.22 a 7.57 a 2.55 a 2.5 a 4.24 a 5.62 a 7.9 a.07 a.75 a 3.07 a 4.33 a.42 a 2.23 a 3.89 a 5.36 a 7.7 a a 2.23 a 3.98 a 5.37 a 7.54 a 0.87 a.53 a 2.87 a 4. a.9 a.99 a 3.66 a 5.2 a 7.35 a b.73 a 3.5 a 4.88 a 6.84 a 0.48 b.2 a 2.48 a 3.68 a 0.76 b.54 a 3.23 a 4.66 a 6.68 a 2.28 a 2.6 a 3.72 a 4.97 a 6.96 a 0.88 a.53 a 2.77 a 3.93 a.9 a.96 a 3.5 a 4.87 a 6.92 a 0 6 a.85 a 3.43 a 4.68 a 6.54 a 0.65 b.27 a 2.53 a 3.66 a 0.93 a.68 a 3.23 a 4.58 a 6.5 a c.3 b 2.89 a 4.3 a 5.77 a 0.2 d 0.8 c 2.09 b 3.7 a 0.45 c.8 b 2.74 a 4.05 a 5.74 a c.5 a 2.7 a 3.68 a 5. a 0.5 c.06 b 2.2 a 3.03 a 0.74 b.4 a 2.68 a 3.77 a 5.28 a d.5 c 2.37 b 3.36 a 4.65 a 0.23 d 0.76 c.83 b 2.72 a 0.44 d.08 c 2.36 b 3.43 a 4.8 a d.8 d 2.77 c 3.83 a 0.22 e.32 d 2.6 c 0.49 d.79 d 2.82 c 3.94 a e 0.93 d.86 c 2.64 b 3.63 a 0.8 e 0.63 d.5 c 2.9 b 0.35 d 0.9 c.9 c 2.75 a 3.8 a e 0.58 e.54 d 2.3 c 3.8 b 0.3 e.2 d.87 d 0.04 e 0.55 d.59 d 2.4 c 3.32 a e.74 e 2.38 d 0.68 e.3 e.02 e.79 d 2.47 c f 0.5 e.26 d.88 d 2.57 b 0.28 e.0 e.54 d 0.05 e 0.49 e.32 d.96 c 2.68 b f 0.95 e.56 e 2.3 d 0.72 e.22 e 0.4 e e.62 d 2.22 c f.02 f.39 e 0.22 f 0.69 f 0.46 f.05 e.43 e See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 5

54 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 3.2 a 5.35 a 7.2 a 0.3 a 2.08 a 3.07 a 5.33 a 7.6 a 0.8 a.54 a 2.28 a 3.62 a 4.87 a 7.35 a a 2.9 a 5.4 a 6.99 a 9.99 a.93 a 2.92 a 5.9 a 7.02 a 0.58 a.42 a 2.7 a 3.53 a 4.77 a 7.25 a 24.4 a 2.49 a 4.73 a 6.58 a 9.39 a.64 a 2.62 a 4.9 a 6.74 a 0.5 a.9 a.95 a 3.34 a 4.59 a 7.06 a 2.76 a 2.82 a 4.9 a 6.65 a 9.43 a.94 a 2.9 a 5.7 a 7.02 a 0.58 a.44 a 2.8 a 3.54 a 4.78 a 7.26 a a 2.56 a 4.64 a 6.38 a 9.05 a.75 a 2.72 a 4.98 a 6.84 a 0.3 a.29 a 2.04 a 3.4 a 4.66 a 7.3 a a 2.07 a 4.5 a 5.88 a 8.33 a.38 a 2.35 a 4.62 a 6.47 a 9.74 a.0 a.76 a 3.7 a 4.42 a 6.89 a 2.5 a 2.5 a 4.4 a 6.03 a 8.49 a.77 a 2.73 a 4.93 a 6.84 a 0.32 a.33 a 2.07 a 3.44 a 4.68 a 7.6 a a 2.2 a 4. a 5.72 a 8.04 a.54 a 2.5 a 4.7 a 6.6 a 9.96 a.5 a.9 a 3.29 a 4.53 a 7 a b.64 a 3.54 a 5.4 a 7.2 a. a 2.05 a 4.26 a 6.5 a 9.25 a 0.8 a.55 a 2.98 a 4.23 a 6.68 a 2.0 b.85 a 3.38 a 4.72 a 6.55 a.39 a 2.3 a 4.34 a 6.3 a 9.59 a.07 a.8 a 3.2 a 4.44 a 6.89 a c.48 b 3.02 a 4.34 a 6.02 a.08 a.99 a 4.02 a 5.8 a 9.05 a 0.82 a.56 a 2.97 a 4.2 a 6.65 a e 0.84 d 2.39 c 3.67 b 5.08 a 0.52 b.4 a 3.43 a 5.6 a 8.02 a 0.35 b.08 a 2.54 a 3.78 a 6.8 a d.24 c 2.44 b 3.47 a 4.78 a 0.97 a.82 a 3.63 a 5.25 a 8.09 a 0.78 a.5 a 2.9 a 4.2 a 6.53 a e 0.86 d 2.08 c 3.08 b 4.25 a 0.6 c.44 a 3.24 a 4.83 a 7.42 a 0.46 b.7 a 2.59 a 3.8 a 6.9 a e.44 e 2.4 d 3.3 c 0.74 c 2.53 b 4.06 a 6.2 a 0.57 c 2.02 b 3.23 a 5.55 a e 0.74 d.72 d 2.5 c 3.44 a 0.58 c.33 b 2.89 a 4.29 a 6.52 a 0.46 c.6 a 2.53 a 3.73 a 6.07 a e.36 e 2.4 d 2.93 c 0.8 d 0.9 c 2.46 b 3.82 a 5.78 a 0.09 d 0.76 c 2.5 b 3.33 a 5.62 a f.5 e 2.05 d 0.4 e.69 d 2.98 c 4.49 b 0.05 d.47 d 2.6 c 4.79 a Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 3.2 a 5.35 a 7.9 a. a 2.57 a 4.0 a 7.6 a 9.66 a 5.3 a.55 a* 2.27 a 3.44 a 4.62 a 7.2 a a 2.98 a 5.22 a 7.06 a 0.98 a 2.43 a 3.86 a 7.0 a 9.5 a 5.5 a.46 a* 2.9 a 3.38 a 4.56 a 7.06 a a 2.72 a 4.97 a 6.82 a 0.72 a 2.5 a 3.56 a 6.7 a 9.2 a 4.83 a.3 a* 2.03 a 3.25 a 4.44 a 6.94 a a 3 a 5.23 a 7.07 a 0.99 a 2.43 a 3.84 a 6.92 a 9.39 a 4.95 a.48 a* 2.2 a 3.39 a 4.57 a 7.07 a a 2.83 a 5.07 a 6.9 a 0.82 a 2.26 a 3.65 a 6.73 a 9.2 a 4.74 a.37 a* 2. a 3.3 a 4.5 a 6.99 a 24.5 a 2.5 a 4.75 a 6.59 a 0.47 a.9 a 3.27 a 6.35 a 8.82 a 4.33 a.7 a*.9 a 3.4 a 4.34 a 6.85 a 2.89 a 2.87 a 5. a 6.93 a 0.84 a 2.28 a 3.65 a 6.65 a 9.07 a 4.5 a.4 a* 2.3 a 3.33 a 4.5 a 7.0 a a 2.65 a 4.89 a 6.73 a 0.6 a 2.06 a 3.4 a 6.4 a 8.83 a 4.24 a.27 a* 2.0 a 3.23 a 4.42 a 6.92 a a 2.24 a 4.49 a 6.33 a 0.8 a.63 a 2.96 a 5.94 a 8.35 a 3.73 a.02 a*.76 a 3.03 a 4.23 a 6.74 a 2.54 a 2.5 a 4.7 a 6.58 a 0.43 a.9 a 3.9 a 5.96 a 8.25 a 3.36 a.22 a*.96 a 3.8 a 4.37 a 6.88 a a 2.2 a 4.4 a 6.27 a 0.09 a.6 a 2.86 a 5.63 a 7.9 a 2.98 a.04 a*.78 a 3.03 a 4.23 a 6.74 a a.64 a 3.83 a 5.68 a 9.43 a.03 a 2.24 a 4.98 a 7.24 a 2.24 a 0.68 a*.43 a 2.74 a 3.95 a 6.47 a 2.5 a 2.06 a 4.07 a 5.85 a 9.8 a.49 a 2.65 a 5.4 a 7.25 a.9 a.0 a*.75 a 3 a 4.2 a 6.7 a a.69 a 3.69 a 5.44 a 9.33 a. a 2.24 a 4.7 a 6.8 a.4 a 0.77 a*.5 a 2.8 a 4 a 6.52 a c 0.99 b 2.98 a 4.69 a 8.4 a 0.42 c.48 a 3.92 a 5.96 a 0.44 a 0.29 a*.04 a 2.4 a 3.62 a 6.4 a b.58 a 3.36 a 4.96 a 8.44 a.05 a 2.09 a 4.26 a 6.4 a 0.26 a 0.77 a*.5 a 2.79 a 3.99 a 6.49 a c.5 b 2.92 a 4.48 a 7.86 a 0.62 c.62 a 3.76 a 5.6 a 9.65 a 0.46 a*.2 a 2.53 a 3.73 a 6.24 a d 2.3 c 3.62 b 6.8 a 0.77 c 2.88 b 4.66 a 8.54 a 0.6 a 2.02 a 3.22 a 5.74 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

55 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 5 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 3.7 a 5.26 a 7.08 a. a 2.75 a* 4.25 a 7.53 a 0.07 a 5.77 a a* 3.07 a 5.8 a 7 a.02 a 2.65 a* 4.4 a 7.42 a 9.96 a 5.66 a 24.9 a* 2.89 a 5.0 a 6.84 a 0.86 a 2.44 a* 3.93 a 7.2 a 9.76 a 5.46 a a* 3.09 a 5.9 a 7.0 a.03 a 2.67 a* 4.6 a 7.44 a 9.98 a 5.67 a a* 2.97 a 5.08 a 6.9 a 0.93 a 2.53 a* 4.02 a 7.3 a 9.84 a 5.54 a a* 2.73 a 4.87 a 6.69 a 0.72 a 2.27 a* 3.74 a 7.02 a 9.58 a 5.28 a a* 3 a 5. a 6.93 a 0.95 a 2.57 a* 4.05 a 7.33 a 9.87 a 5.57 a a* 2.85 a 4.97 a 6.8 a 0.82 a 2.4 a* 3.88 a 7.5 a 9.7 a 5.4 a a* 2.56 a 4.7 a 6.53 a 0.56 a 2.07 a* 3.54 a 6.8 a 9.37 a 5.06 a 2.8 a* 2.79 a 4.9 a 6.73 a 0.75 a 2.33 a* 3.8 a 7.06 a 9.6 a 5.3 a a* 2.57 a 4.7 a 6.53 a 0.55 a 2.09 a* 3.55 a 6.8 a 9.36 a 5.04 a 24.6 a* 2.5 a 4.3 a 6.5 a 0.7 a.63 a* 3.05 a 6.3 a 8.85 a 4.54 a 2.55 a* 2.53 a 4.65 a 6.48 a 0.49 a 2.03 a* 3.45 a 6.63 a 9.2 a 4.94 a a* 2.24 a 4.38 a 6.2 a 0.2 a.7 a* 3. a 6.28 a 8.85 a 4.57 a a*.68 a 3.84 a 5.67 a 9.66 a. a* 2.46 a 5.59 a 8.6 a 3.85 a 2.25 a* 2.23 a 4.35 a 6.6 a 0.5 a.68 a* 3.02 a 6 a 8.46 a 4.08 a a*.86 a 3.98 a 5.8 a 9.77 a.28 a* 2.59 a 5.55 a 8.0 a 3.59 a b*.5 a 3.29 a 5.09 a 9.04 a 0.54 a*.79 a 4.7 a 7.3 a 2.65 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 53

56 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 20 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a.92 a 3.38 a 4.48 a 6.47 a 0.93 a.57 a 2.8 a 3.82 a.25 a 2.02 a 3.56 a 4.78 a 6.89 a a.66 a 3.3 a 4.23 a 6. a 0.7 a.33 a 2.58 a 3.58 a a.76 a 3.32 a 4.53 a 6.52 a c.7 b 2.67 a 3.76 a 5.4 a 0.27 c 0.88 b 2.6 a 3.4 a 0.53 b.27 a 2.85 a 4.05 a 5.8 a a.6 a 2.93 a 3.95 a 5.65 a 0.7 a.3 a 2.46 a 3.39 a 0.99 a.7 a 3.4 a 4.25 a 6.08 a c.3 a 2.65 a 3.65 a 5.22 a 0.44 c.03 b 2.2 a 3.2 a 0.7 b.4 a 2.85 a 3.95 a 5.64 a d 0.74 c 2.2 b 3. a 4.42 a 0.5 d.72 c 2.6 b 0.7 d 0.84 c 2.3 b 3.39 a 4.83 a c.29 a 2.48 a 3.39 a 4.82 a 0.49 c.04 b 2. a 2.94 a 0.73 b.4 a 2.69 a 3.69 a 5.24 a d 0.96 c 2.6 b 3.07 a 4.35 a 0.2 d 0.73 c.8 b 2.63 a 0.4 d.05 c 2.37 a 3.35 a 4.75 a d.6 d 2.47 c 3.49 a 0.7 e.29 d 2.06 c 0.44 d.78 c 2.74 b 3.87 a e 0.72 d.65 c 2.35 b 3.29 a 0.09 e 0.54 d.4 c 2.05 b 0.27 e 0.8 d.83 c 2.6 b 3.64 a e.32 d 2.0 c 2.8 b 0.2 e.09 d.7 d 0.43 e.48 d 2.24 c 3.3 b e.4 e.94 d 0.54 e.2 e 0.88 e.6 e 2.23 d e.03 e.57 d 2.6 c 0.4 e 0.86 e.35 d 0.33 e.6 e.76 d 2.42 c e.23 e.69 d 0.55 f.0 e 0.82 e.4 e.93 d f 0.64 f 0.88 e 0.02 f 0.44 f 0.24 f 0.78 f.07 e f.0 e.37 d 0.46 f 0.84 e 0.68 f.5 e.56 d f 0.69 f 0.94 e 0.7 f 0.52 f 0.37 f 0.8 f. e f 0.9 f 0.23 f 0.3 f Wall Height (ft) Spacing (in.) o.c. 20 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.59 a 4.52 a 6.03 a 8.5 a.08 a.78 a 3.7 a 4.45 a.44 a 2.28 a 4.05 a 5.6 a 8.2 a a 2.3 a 4.24 a 5.75 a 8. a 0.86 a.55 a 2.96 a 4.22 a.2 a 2.03 a 3.8 a 5.35 a 7.75 a b.76 a 3.7 a 5.22 a 7.36 a 0.44 b. a 2.55 a 3.78 a 0.73 a.55 a 3.35 a 4.86 a 7.04 a 2.29 a 2.23 a 3.98 a 5.37 a 7.54 a 0.87 a.53 a 2.87 a 4. a.9 a.99 a 3.66 a 5.2 a 7.35 a a.89 a 3.65 a 5.04 a 7.07 a 0.6 b.26 a 2.6 a 3.82 a 0.9 a.69 a 3.37 a 4.8 a 6.9 a c.27 b 3.04 a 4.42 a 6.2 a 0.2 d 0.74 c 2.2 a 3.28 a 0.37 c.3 b 2.82 a 4.22 a 6.05 a 2 a.85 a 3.43 a 4.68 a 6.54 a 0.65 b.27 a 2.53 a 3.66 a 0.93 a.68 a 3.23 a 4.58 a 6.5 a c.48 b 3.06 a 4.3 a 6.02 a 0.35 c 0.96 b 2.23 a 3.33 a 0.6 c.34 a 2.9 a 4.22 a 5.99 a d 0.8 d 2.4 c 3.63 b 5.07 a 0.38 d.68 c 2.72 b 0.02 d 0.7 c 2.28 b 3.56 a 5.04 a d.5 c 2.37 b 3.36 a 4.65 a 0.23 d 0.76 c.83 b 2.72 a 0.44 d.08 c 2.36 b 3.43 a 4.8 a e 0.74 d.98 c 2.95 b 4.09 a 0.39 d.48 d 2.34 c 0.07 e 0.68 d.97 c 3.02 b 4.2 a e.29 e 2.24 d 3. c 0.86 e.66 d.29 e 2.28 d 3.8 c e 0.58 e.54 d 2.3 c 3.8 b 0.3 e.2 d.87 d 0.04 e 0.55 d.59 d 2.4 c 3.32 a e.6 e.92 d 2.63 c 0.85 e.48 e 0.4 e.2 e.98 d 2.74 c f.23 e.69 e 0.23 f 0.82 f 0.52 f.26 e.74 d f 0.95 e.56 e 2.3 d 0.72 e.22 e 0.4 e e.62 d 2.22 c f.9 e.62 e 0.37 f 0.86 f 0.63 f.23 e.68 d f 0.75 f 0.23 f 0.55 f 0.75 e See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

57 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 20 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.9 a 5.4 a 6.99 a 9.99 a.93 a 2.92 a 5.9 a 7.02 a 0.58 a.42 a 2.7 a 3.53 a 4.77 a 7.25 a a 2.63 a 4.87 a 6.7 a 9.59 a.74 a 2.72 a 5 a 6.83 a 0.29 a.27 a 2.02 a 3.4 a 4.65 a 7.2 a a 2. a 4.35 a 6.8 a 8.82 a.35 a 2.34 a 4.63 a 6.46 a 9.73 a 0.97 a.73 a 3.5 a 4.4 a 6.87 a 2.5 a 2.56 a 4.64 a 6.38 a 9.05 a.75 a 2.72 a 4.98 a 6.84 a 0.3 a.29 a 2.04 a 3.4 a 4.66 a 7.3 a a 2.23 a 4.3 a 6.04 a 8.56 a.5 a 2.48 a 4.74 a 6.59 a 9.92 a. a.85 a 3.25 a 4.5 a 6.97 a b.6 a 3.69 a 5.4 a 7.64 a.03 a 2 a 4.27 a 6.2 a 9.9 a 0.73 a.48 a 2.93 a 4.9 a 6.64 a 2.23 a 2.2 a 4. a 5.72 a 8.04 a.54 a 2.5 a 4.7 a 6.6 a 9.96 a.5 a.9 a 3.29 a 4.53 a 7 a b.82 a 3.72 a 5.33 a 7.48 a.24 a 2.2 a 4.4 a 6.3 a 9.48 a 0.92 a.67 a 3.08 a 4.33 a 6.79 a d.3 c 3.03 a 4.6 a 6.45 a 0.69 a.63 a 3.84 a 5.7 a 8.57 a 0.47 a.22 a 2.69 a 3.94 a 6.37 a c.48 b 3.02 a 4.34 a 6.02 a.08 a.99 a 4.02 a 5.8 a 9.05 a 0.82 a.56 a 2.97 a 4.2 a 6.65 a d.04 c 2.59 b 3.88 a 5.38 a 0.7 b.59 a 3.62 a 5.37 a 8.35 a 0.5 a.24 a 2.68 a 3.92 a 6.34 a e.82 d 3.06 c 4.24 b 0.85 b 2.87 a 4.57 a 7.07 a 0.63 b 2.3 a 3.36 a 5.73 a e 0.86 d 2.08 c 3.08 b 4.25 a 0.6 c.44 a 3.24 a 4.83 a 7.42 a 0.46 b.7 a 2.59 a 3.8 a 6.9 a e.64 d 2.62 c 3.6 b 0.7 d 0.96 c 2.76 b 4.3 a 6.59 a 0.07 d 0.76 b 2.2 a 3.42 a 5.76 a e.82 e 2.5 d 0. d.89 d 3.36 c 5.2 a 0.0 d.5 c 2.68 b 4.94 a e.36 e 2.4 d 2.93 c 0.8 d 0.9 c 2.46 b 3.82 a 5.78 a 0.09 d 0.76 c 2.5 b 3.33 a 5.62 a e.7 e 2.32 d 0.38 d.94 d 3.25 c 4.9 a 0.28 d.69 c 2.84 b 5.06 a f 0.94 f.29 e.02 e 2.24 d 3.36 c 0.85 e.95 d 4.04 c Wall Height (ft) Spacing (in.) o.c. 20 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.98 a 5.22 a 7.06 a 0.98 a 2.43 a 3.86 a 7.0 a 9.5 a 5.5 a.46 a* 2.9 a 3.38 a 4.56 a 7.06 a a 2.8 a 5.05 a 6.9 a 0.8 a 2.25 a 3.66 a 6.8 a 9.3 a 4.94 a.35 a* 2.09 a 3.29 a 4.48 a 6.98 a a 2.46 a 4.73 a 6.57 a 0.46 a.88 a 3.27 a 6.42 a 8.92 a 4.52 a.4 a*.88 a 3.2 a 4.32 a 6.83 a 2.85 a 2.83 a 5.07 a 6.9 a 0.82 a 2.26 a 3.65 a 6.73 a 9.2 a 4.74 a.37 a* 2. a 3.3 a 4.5 a 6.99 a a 2.6 a 4.86 a 6.7 a 0.59 a 2.02 a 3.4 a 6.48 a 8.94 a 4.47 a.24 a*.97 a 3.2 a 4.39 a 6.9 a 24.8 a 2.7 a 4.43 a 6.28 a 0.3 a.56 a 2.9 a 5.98 a 8.44 a 3.93 a 0.96 a*.7 a 2.98 a 4.9 a 6.7 a 2.67 a 2.65 a 4.89 a 6.73 a 0.6 a 2.06 a 3.4 a 6.4 a 8.83 a 4.24 a.27 a* 2.0 a 3.23 a 4.42 a 6.92 a a 2.38 a 4.62 a 6.46 a 0.32 a.77 a 3. a 6. a 8.5 a 3.9 a. a*.84 a 3.09 a 4.29 a 6.8 a a.85 a 4. a 5.93 a 9.75 a.22 a 2.5 a 5.49 a 7.89 a 3.23 a 0.77 a*.52 a 2.83 a 4.03 a 6.55 a 2.25 a 2.2 a 4.4 a 6.27 a 0.09 a.6 a 2.86 a 5.63 a 7.9 a 2.98 a.04 a*.78 a 3.03 a 4.23 a 6.74 a a.83 a 4.02 a 5.87 a 9.65 a.22 a 2.44 a 5.9 a 7.46 a 2.48 a 0.8 a*.55 a 2.84 a 4.04 a 6.56 a c. a 3.29 a 5. a 8.8 a 0.5 b.66 a 4.37 a 6.6 a.52 a 0.33 a*.09 a 2.46 a 3.67 a 6.2 a a.69 a 3.69 a 5.44 a 9.33 a. a 2.24 a 4.7 a 6.8 a.4 a 0.77 a*.5 a 2.8 a 4 a 6.52 a c.22 b 3.2 a 4.93 a 8.7 a 0.64 b.73 a 4.8 a 6.23 a 0.75 a 0.45 a*.9 a 2.54 a 3.74 a 6.26 a d 2.33 c 3.99 a 7.57 a 0.79 c 3.9 b 5.9 a 9.55 a 0.59 a 2.02 a 3.24 a 5.77 a c.5 b 2.92 a 4.48 a 7.86 a 0.62 c.62 a 3.76 a 5.6 a 9.65 a 0.46 a*.2 a 2.53 a 3.73 a 6.24 a d 2.38 c 3.89 a 7.4 a 0. d.04 c 3.6 b 4.97 a 8.89 a 0.07 b* 0.8 a 2.8 a 3.39 a 5.9 a d 2.85 c 5.87 b 0.0 d 2.09 d 3.8 c 7.54 a 0.06 c.53 b 2.74 a 5.25 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 55

58 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 20 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 3.07 a 5.8 a 7 a.02 a 2.65 a* 4.4 a 7.42 a 9.96 a 5.66 a a* 2.95 a 5.07 a 6.89 a 0.9 a 2.5 a* 4 a 7.28 a 9.83 a 5.53 a 24.7 a* 2.7 a 4.84 a 6.67 a 0.7 a 2.23 a* 3.7 a 6.99 a 9.55 a 5.25 a 2.99 a* 2.97 a 5.08 a 6.9 a 0.93 a 2.53 a* 4.02 a 7.3 a 9.84 a 5.54 a a* 2.8 a 4.94 a 6.77 a 0.79 a 2.36 a* 3.84 a 7. a 9.66 a 5.36 a 24.5 a* 2.5 a 4.65 a 6.49 a 0.5 a 2.0 a* 3.47 a 6.75 a 9.3 a 5.0 a 2.87 a* 2.85 a 4.97 a 6.8 a 0.82 a 2.4 a* 3.88 a 7.5 a 9.7 a 5.4 a a* 2.65 a 4.79 a 6.62 a 0.65 a 2.8 a* 3.65 a 6.93 a 9.48 a 5.8 a a* 2.27 a 4.44 a 6.27 a 0.3 a.75 a* 3.2 a 6.47 a 9.03 a 4.73 a 2.59 a* 2.57 a 4.7 a 6.53 a 0.55 a 2.09 a* 3.55 a 6.8 a 9.36 a 5.04 a a* 2.29 a 4.44 a 6.27 a 0.29 a.78 a* 3.22 a 6.47 a 9.02 a 4.7 a a*.74 a 3.93 a 5.76 a 9.78 a.7 a* 2.57 a 5.8 a 8.36 a 4.04 a 2.25 a* 2.24 a 4.38 a 6.2 a 0.2 a.7 a* 3. a 6.28 a 8.85 a 4.57 a a*.86 a 4.02 a 5.84 a 9.84 a.3 a* 2.67 a 5.82 a 8.39 a 4.09 a b*.4 a 3.32 a 5.4 a 9.3 a 0.52 a*.83 a 4.94 a 7.49 a 3.5 a a*.86 a 3.98 a 5.8 a 9.77 a.28 a* 2.59 a 5.55 a 8.0 a 3.59 a b*.38 a 3.52 a 5.32 a 9.28 a 0.78 a* 2.05 a 4.98 a 7.42 a 2.96 a b 2.63 a 4.42 a 8.34 a.03 a 3.9 a 6.3 a.75 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

59 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 25 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a.72 a 3.9 a 4.29 a 6.9 a 0.76 a.38 a 2.63 a 3.64 a.06 a.82 a 3.38 a 4.59 a 6.6 a b.4 a 2.9 a 3.99 a 5.74 a 0.48 b. a 2.37 a 3.36 a 0.76 a.5 a 3.08 a 4.29 a 6.6 a d 0.82 c 2.34 b 3.42 a 4.9 a 0.56 c.87 b 2.83 a 0.2 c 0.92 b 2.52 a 3.7 a 5.3 a b.38 a 2.72 a 3.72 a 5.33 a 0.5 c.09 a 2.27 a 3.8 a 0.77 b.48 a 2.92 a 4.02 a 5.75 a d.02 b 2.38 a 3.37 a 4.8 a 0.2 d 0.76 c.96 b 2.85 a 0.43 c.2 b 2.57 a 3.66 a 5.22 a d.76 c 2.72 b 3.88 a 0.6 d.39 d 2.24 c 0.46 d.94 c 3 b 4.26 a d.04 c 2.24 a 3.4 a 4.46 a 0.27 d 0.8 c.88 b 2.7 a 0.49 c.4 b 2.45 a 3.44 a 4.87 a e 0.65 d.87 c 2.76 b 3.9 a 0.44 d.54 c 2.34 b 0.2 d 0.74 d 2.07 c 3.04 a 4.3 a d 2.07 d 2.92 c 0.93 e.67 d 0.03 e.38 d 2.32 c 3.27 b e.4 d 2.09 c 2.92 b 0.28 e.7 d.79 c 0.0 e 0.52 d.57 d 2.33 c 3.25 a e.02 e.69 d 2.35 c 0.8 e.4 d 0.09 e.7 e.9 d 2.66 c f 0.99 e.37 e 0.8 f 0.72 e 0.47 f.7 e.63 d e.3 e.8 d 0.62 e.09 e 0.05 f 0.9 e.49 e 2.05 d f 0.92 e.27 e 0.27 f 0.72 f 0.52 f.08 e.48 e f 0.36 f 0.07 f 0.37 f 0.5 f f 0.76 f.04 e 0.24 f 0.6 f 0.44 f 0.89 f.2 e f 0.4 f 0.55 f 0.24 f 0.08 f 0.5 f 0.69 f 24 Wall Height (ft) Spacing (in.) o.c. 25 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.38 a 4.3 a 5.82 a 8.2 a 0.9 a.6 a 3.0 a 4.28 a.26 a 2.09 a 3.87 a 5.4 a 7.84 a a 2.03 a 3.97 a 5.48 a 7.73 a 0.64 a.32 a 2.75 a 4 a 0.96 a.78 a 3.58 a 5. a 7.39 a c.38 a 3.34 a 4.85 a 6.82 a 0.4 c 0.8 b 2.26 a 3.46 a 0.4 b.2 a 3.02 a 4.5 a 6.52 a 2.05 a.97 a 3.73 a 5.2 a 7.8 a 0.67 a.32 a 2.67 a 3.89 a 0.97 a.76 a 3.44 a 4.88 a 7.0 a c.57 a 3.34 a 4.72 a 6.62 a 0.36 c 0.99 b 2.36 a 3.55 a 0.63 b.4 a 3.09 a 4.5 a 6.46 a c 2.62 b 3.99 a 5.59 a 0.39 d.78 c 2.9 b 0.73 c 2.43 b 3.8 a 5.45 a c.57 a 3.5 a 4.4 a 6.4 a 0.42 c.04 b 2.3 a 3.4 a 0.68 b.42 a 2.98 a 4.3 a 6. a d.3 c 2.72 b 3.96 a 5.53 a 0.08 d 0.66 c.95 b 3.02 a 0.3 d.02 b 2.58 a 3.88 a 5.5 a d.95 d 3.7 c 4.4 a.3 d 2.3 c 0.28 d.86 c 3. b 4.38 a e 0.84 d 2.07 c 3.05 b 4.22 a 0.48 d.57 c 2.43 b 0.6 d 0.77 d 2.07 c 3.2 b 4.36 a e.62 d 2.58 c 3.58 b 0.06 e.6 d.99 d 0.32 e.62 d 2.64 c 3.68 b e.77 e 2.44 d 0.45 e.2 e 0.83 e.79 e 2.49 d e.25 e 2.0 d 2.76 c 0.02 e 0.93 e.58 d 0.24 e.29 e 2.08 d 2.88 c e.56 e 2.4 d 0.52 f.4 e 0.84 e.6 e 2.22 d f 0.78 f.08 e 0.38 f 0.08 f 0.78 f.08 e f.28 e.75 d 0.46 f 0.95 e 0.72 e.32 e.8 d f 0.86 f.7 e 0.07 f 0.53 f 0.29 f 0.87 f.9 e f 0.8 f 0. f 0.4 f See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 57

60 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 25 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.7 a 4.94 a 6.78 a 9.69 a.79 a 2.77 a 5.05 a 6.88 a 0.36 a.3 a 2.06 a 3.43 a 4.68 a 7.6 a a 2.36 a 4.6 a 6.45 a 9.2 a.54 a 2.53 a 4.8 a 6.64 a 0.0 a.2 a.87 a 3.27 a 4.53 a 6.99 a b.73 a 3.97 a 5.8 a 8.26 a.07 a 2.06 a 4.36 a 6.9 a 9.3 a 0.75 a.5 a 2.96 a 4.22 a 6.68 a 2.28 a 2.3 a 4.39 a 6.3 a 8.68 a.56 a 2.54 a 4.8 a 6.65 a 0.02 a.5 a.9 a 3.29 a 4.54 a 7.0 a a.92 a 3.99 a 5.72 a 8.09 a.26 a 2.23 a 4.5 a 6.35 a 9.55 a 0.9 a.67 a 3.09 a 4.34 a 6.8 a c.8 b 3.25 a 4.95 a 6.99 a 0.69 a.65 a 3.93 a 5.77 a 8.66 a 0.46 a.2 a 2.7 a 3.96 a 6.39 a a.92 a 3.82 a 5.42 a 7.62 a.32 a 2.27 a 4.48 a 6.38 a 9.6 a 0.97 a.72 a 3.3 a 4.38 a 6.84 a c.47 b 3.37 a 4.95 a 6.95 a 0.96 a.9 a 4.2 a 6 a 9.02 a 0.69 a.44 a 2.89 a 4.4 a 6.58 a d 2.55 c 4.09 b 5.73 a 0.29 b.22 a 3.43 a 5.28 a 7.9 a 0.4 b 0.89 a 2.4 a 3.65 a 6.07 a d.5 c 2.7 b 3.99 a 5.53 a 0.79 a.69 a 3.72 a 5.48 a 8.52 a 0.58 a.32 a 2.75 a 3.99 a 6.4 a d 2.9 c 3.46 b 4.79 a 0.34 c.2 a 3.24 a 4.96 a 7.7 a 0.2 b 0.93 a 2.4 a 3.64 a 6.03 a 24.3 e 2.5 d 3.48 c 0.34 c 2.35 b 4.0 a 6.9 a 0.2 c.73 b 2.96 a 5.29 a e.74 d 2.73 c 3.76 b 0.28 d.08 b 2.88 a 4.43 a 6.79 a 0.6 c 0.86 b 2.3 a 3.5 a 5.86 a e 2.2 d 3.03 c 0.52 d 2.3 c 3.82 b 5.83 a 0.38 c.84 b 3.04 a 5.34 a f.29 e.77 e.3 d 2.72 d 4.3 b d 2.7 c 4.36 b f.04 e.8 e 2.47 d 0.5 d 2.06 c 3.39 b 5. a 0.4 d.8 c 2.96 b 5.2 a f.3 e.78 e.46 d 2.73 d 4. b.25 d 2.38 c 4.54 b f 0.62 f 0.4 e.57 e 2.35 d 0.28 e.35 e 3.35 d Wall Height (ft) Spacing (in.) o.c. 25 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.85 a 5. a 6.94 a 0.85 a 2.29 a 3.7 a 6.86 a 9.36 a 4.99 a.38 a* 2. a 3.3 a 4.5 a 7 a a 2.63 a 4.89 a 6.73 a 0.63 a 2.06 a 3.46 a 6.6 a 9. a 4.73 a.25 a*.98 a 3.2 a 4.4 a 6.9 a 24.2 a 2.2 a 4.48 a 6.33 a 0.2 a.6 a 2.98 a 6.2 a 8.62 a 4.2 a 0.98 a*.72 a 3 a 4.2 a 6.72 a 2.68 a 2.66 a 4.9 a 6.75 a 0.64 a 2.08 a 3.46 a 6.54 a 9.0 a 4.53 a.27 a* 2.0 a 3.23 a 4.42 a 6.92 a a 2.39 a 4.64 a 6.48 a 0.36 a.79 a 3.5 a 6.23 a 8.69 a 4.2 a. a*.84 a 3.09 a 4.29 a 6.8 a a.85 a 4.3 a 5.97 a 9.8 a.23 a 2.55 a 5.62 a 8.07 a 3.53 a 0.76 a*.5 a 2.82 a 4.03 a 6.55 a 2.46 a 2.45 a 4.69 a 6.53 a 0.4 a.84 a 3.8 a 6.7 a 8.59 a 3.99 a.5 a*.88 a 3.3 a 4.32 a 6.83 a a 2. a 4.36 a 6.9 a 0.04 a.49 a 2.8 a 5.79 a 8.2 a 3.56 a 0.93 a*.68 a 2.96 a 4.6 a 6.68 a a.46 a 3.72 a 5.55 a 9.33 a 0.82 a 2.08 a 5.05 a 7.44 a 2.74 a 0.52 a*.28 a 2.63 a 3.84 a 6.37 a a.92 a 4. a 5.97 a 9.76 a.3 a 2.55 a 5.3 a 7.57 a 2.6 a 0.86 a*.6 a 2.89 a 4.09 a 6.6 a b.46 a 3.65 a 5.49 a 9.22 a 0.85 a 2.04 a 4.78 a 7.03 a 2 a 0.56 a*.3 a 2.65 a 3.86 a 6.38 a b 2.78 a 4.57 a 8.9 a. b 3.79 a 6 a 0.84 a 0.75 a 2.7 a 3.4 a 5.94 a c.33 a 3.33 a 5.06 a 8.86 a 0.76 b.86 a 4.3 a 6.37 a 0.9 a 0.53 a*.27 a 2.6 a 3.8 a 6.33 a c 2.76 b 4.45 a 8.3 a 0.2 c.25 b 3.67 a 5.7 a 0.3 a 0.4 a* 0.89 a 2.28 a 3.49 a 6.02 a d 3.34 c 6.79 a 0.5 d 2.52 c 4.46 b 8.7 a 0.6 b.65 a 2.87 a 5.4 a c 2.5 b 4.04 a 7.32 a 0.23 d.8 c 3.3 a 5.2 a 9.08 a 0.7 b* 0.9 a 2.27 a 3.47 a 5.99 a d.89 d 3.35 c 6.48 a 0.5 d 2.6 c 4.37 b 8.9 a 0.43 b.85 a 3.06 a 5.58 a e 2.4 d 5.0 c.37 d 3.02 d 6.62 b.06 c 2.27 b 4.78 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

61 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 25 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 2.98 a 5.09 a 6.92 a 0.94 a 2.55 a* 4.03 a 7.3 a 9.86 a 5.56 a a* 2.82 a 4.95 a 6.78 a 0.8 a 2.37 a* 3.85 a 7.4 a 9.69 a 5.39 a a* 2.52 a 4.67 a 6.5 a 0.54 a 2.03 a* 3.49 a 6.78 a 9.34 a 5.05 a 2.87 a* 2.85 a 4.97 a 6.8 a 0.82 a 2.4 a* 3.88 a 7.6 a 9.7 a 5.4 a a* 2.65 a 4.79 a 6.62 a 0.65 a 2.8 a* 3.65 a 6.93 a 9.49 a 5.9 a a* 2.26 a 4.44 a 6.28 a 0.3 a.75 a* 3.2 a 6.48 a 9.04 a 4.75 a 2.72 a* 2.7 a 4.84 a 6.67 a 0.69 a 2.24 a* 3.7 a 6.98 a 9.53 a 5.23 a a* 2.46 a 4.6 a 6.45 a 0.47 a.97 a* 3.42 a 6.7 a 9.25 a 4.95 a a*.98 a 4.7 a 6.0 a 0.04 a.43 a* 2.86 a 6.3 a 8.7 a 4.4 a 2.37 a* 2.36 a 4.5 a 6.34 a 0.36 a.86 a* 3.3 a 6.55 a 9. a 4.79 a a* 2.0 a 4.8 a 6.02 a 0.04 a.48 a* 2.89 a 6.3 a 8.69 a 4.37 a a*.34 a 3.55 a 5.39 a 9.4 a 0.73 a* 2. a 5.32 a 7.88 a 3.55 a a*.96 a 4. a 5.93 a 9.94 a.4 a* 2.78 a 5.93 a 8.5 a 4.2 a a*.49 a 3.66 a 5.49 a 9.48 a 0.9 a* 2.24 a 5.37 a 7.93 a 3.6 a a 2.82 a 4.64 a 8.6 a.22 a 4.3 a 6.84 a 2.46 a a*.5 a 3.63 a 5.44 a 9.4 a 0.9 a* 2.8 a 5.2 a 7.56 a 3.2 a a 3.07 a 4.87 a 8.8 a 0.3 b*.53 a 4.44 a 6.85 a 2.35 a b 3.78 a 7.66 a 0.32 c 3.5 a 5.52 a 0.89 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 59

62 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 30 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a.53 a 3.0 a 4. a 5.92 a 0.59 b.2 a 2.47 a 3.47 a 0.88 a.63 a 3.2 a 4.4 a 6.34 a c.7 b 2.67 a 3.76 a 5.4 a 0.27 c 0.88 b 2.6 a 3.4 a 0.53 b.27 a 2.85 a 4.05 a 5.8 a d 2.03 c 3.09 a 4.44 a 0.27 d.59 c 2.52 b 0.6 c 2.2 b 3.37 a 4.83 a c.6 b 2.5 a 3.5 a 5.0 a 0.32 c 0.89 b 2.08 a 2.98 a 0.56 c.26 a 2.7 a 3.8 a 5.43 a d 0.74 c 2.2 b 3. a 4.42 a 0.5 d.72 c 2.6 b 0.7 d 0.84 c 2.3 b 3.39 a 4.83 a e.4 d 2.36 c 3.36 b.07 d.9 d 0.09 d.58 d 2.62 c 3.73 a d 0.8 c 2.02 b 2.9 a 4.2 a 0.06 e 0.58 d.68 c 2.48 b 0.26 d 0.89 c 2.22 b 3.9 a 4.52 a d.6 d 2.47 c 3.49 a 0.7 e.29 d 2.06 c 0.44 d.78 c 2.74 b 3.87 a e.69 d 2.38 c 0.59 e.3 e.0 e.92 d 2.7 c e.7 e.85 d 2.57 c 0.04 e 0.95 e.55 d 0.26 e.32 d 2.07 d 2.89 b e.4 e.94 d 0.54 e.2 e 0.88 e.6 e 2.23 d f 0.6 f 0.85 e 0.36 f 0. f 0.77 f.08 e f.07 e.47 d 0.4 f 0.86 e 0.67 f.23 e.7 d f 0.64 f 0.88 e 0.02 f 0.44 f 0.24 f 0.78 f.07 e f 0.54 f 0.74 e 0.04 f 0.38 f 0.22 f 0.65 f 0.89 e f 0.9 f 0.23 f 0.3 f 24 Wall Height (ft) Spacing (in.) o.c. 30 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.7 a 4. a 5.62 a 7.92 a 0.75 a.43 a 2.85 a 4. a.08 a.9 a 3.69 a 5.22 a 7.57 a b.76 a 3.7 a 5.22 a 7.36 a 0.44 b. a 2.55 a 3.78 a 0.73 a.55 a 3.35 a 4.86 a 7.04 a d.02 b 2.98 a 4.48 a 6.3 a 0.5 c.97 b 3.6 a 0. c 0.88 b 2.7 a 4.8 a 6.03 a b.73 a 3.5 a 4.88 a 6.84 a 0.48 b.2 a 2.48 a 3.68 a 0.76 b.54 a 3.23 a 4.66 a 6.68 a c.27 b 3.04 a 4.42 a 6.2 a 0.2 d 0.74 c 2.2 a 3.28 a 0.37 c.3 b 2.82 a 4.22 a 6.05 a d 2.22 c 3.58 b 5.0 a 0.05 d.45 c 2.54 c 0.36 d 2.07 c 3.42 b 4.88 a c.3 b 2.89 a 4.3 a 5.77 a 0.2 d 0.8 c 2.09 b 3.7 a 0.45 c.8 b 2.74 a 4.05 a 5.74 a d 0.8 d 2.4 c 3.63 b 5.07 a 0.38 d.68 c 2.72 b 0.02 d 0.7 c 2.28 b 3.56 a 5.04 a d 2.73 d 3.8 b 0.94 e.9 d.46 d 2.67 c 3.77 b d.8 d 2.77 c 3.83 a 0.22 e.32 d 2.6 c 0.49 d.79 d 2.82 c 3.94 a e.29 e 2.24 d 3. c 0.86 e.66 d.29 e 2.28 d 3.8 c f.33 e.84 d 0.07 f 0.79 e 0.4 f.33 e.85 d e.74 e 2.38 d 0.68 e.3 e.02 e.79 d 2.47 c f.23 e.69 e 0.23 f 0.82 f 0.52 f.26 e.74 d f 0.5 f 0.35 f 0.48 e f.02 f.39 e 0.22 f 0.69 f 0.46 f.05 e.43 e f 0.75 f 0.23 f 0.55 f 0.75 e 24 See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

63 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 30 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.49 a 4.73 a 6.58 a 9.39 a.64 a 2.62 a 4.9 a 6.74 a 0.5 a.9 a.95 a 3.34 a 4.59 a 7.06 a a 2. a 4.35 a 6.8 a 8.82 a.35 a 2.34 a 4.63 a 6.46 a 9.73 a 0.97 a.73 a 3.5 a 4.4 a 6.87 a c.37 a 3.6 a 5.42 a 7.73 a 0.79 a.78 a 4.09 a 5.9 a 8.9 a 0.53 a.3 a 2.78 a 4.04 a 6.49 a 2.05 a 2.07 a 4.5 a 5.88 a 8.33 a.38 a 2.35 a 4.62 a 6.47 a 9.74 a.0 a.76 a 3.7 a 4.42 a 6.89 a b.6 a 3.69 a 5.4 a 7.64 a.03 a 2 a 4.27 a 6.2 a 9.9 a 0.73 a.48 a 2.93 a 4.9 a 6.64 a c 2.84 b 4.5 a 6.38 a 0.35 a.3 a 3.59 a 5.42 a 8.4 a 0.9 a 0.95 a 2.47 a 3.73 a 6.5 a b.64 a 3.54 a 5.4 a 7.2 a. a 2.05 a 4.26 a 6.5 a 9.25 a 0.8 a.55 a 2.98 a 4.23 a 6.68 a d.3 c 3.03 a 4.6 a 6.45 a 0.69 a.63 a 3.84 a 5.7 a 8.57 a 0.47 a.22 a 2.69 a 3.94 a 6.37 a d 2. c 3.6 c 5.06 a 0.83 b 3.03 a 4.86 a 7.28 a 0.58 a 2.2 a 3.37 a 5.77 a e 0.84 d 2.39 c 3.67 b 5.08 a 0.52 b.4 a 3.43 a 5.6 a 8.02 a 0.35 b.08 a 2.54 a 3.78 a 6.8 a e.82 d 3.06 c 4.24 b 0.85 b 2.87 a 4.57 a 7.07 a 0.63 b 2.3 a 3.36 a 5.73 a e 2.0 e 2.78 d.85 c 3.48 b 5.35 a.35 c 2.57 b 4.86 a e.44 e 2.4 d 3.3 c 0.74 c 2.53 b 4.06 a 6.2 a 0.57 c 2.02 b 3.23 a 5.55 a e.82 e 2.5 d 0. d.89 d 3.36 c 5.2 a 0.0 d.5 c 2.68 b 4.94 a f. e 0.75 e 2.2 d 3.2 c 0.54 e.68 d 3.8 c f.5 e 2.05 d 0.4 e.69 d 2.98 c 4.49 b 0.05 d.47 d 2.6 c 4.79 a f 0.94 f.29 e.02 e 2.24 d 3.36 c 0.85 e.95 d 4.04 c e.43 e 0.79 e 2.7 d Wall Height (ft) Spacing (in.) o.c. 30 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.72 a 4.97 a 6.82 a 0.72 a 2.5 a 3.56 a 6.7 a 9.2 a 4.83 a.3 a* 2.03 a 3.25 a 4.44 a 6.94 a a 2.46 a 4.73 a 6.57 a 0.46 a.88 a 3.27 a 6.42 a 8.92 a 4.52 a.4 a*.88 a 3.2 a 4.32 a 6.83 a a.95 a 4.24 a 6.09 a 9.94 a.34 a 2.69 a 5.84 a 8.33 a 3.9 a 0.82 a*.57 a 2.87 a 4.08 a 6.6 a 2.5 a 2.5 a 4.75 a 6.59 a 0.47 a.9 a 3.27 a 6.35 a 8.82 a 4.33 a.7 a*.9 a 3.4 a 4.34 a 6.85 a a 2.7 a 4.43 a 6.28 a 0.3 a.56 a 2.9 a 5.98 a 8.44 a 3.93 a 0.96 a*.7 a 2.98 a 4.9 a 6.7 a a.53 a 3.82 a 5.66 a 9.47 a 0.9 a 2.2 a 5.26 a 7.7 a 3.4 a 0.56 a*.32 a 2.67 a 3.88 a 6.4 a 2.26 a 2.24 a 4.49 a 6.33 a 0.8 a.63 a 2.96 a 5.94 a 8.35 a 3.73 a.02 a*.76 a 3.03 a 4.23 a 6.74 a a.85 a 4. a 5.93 a 9.75 a.22 a 2.5 a 5.49 a 7.89 a 3.23 a 0.77 a*.52 a 2.83 a 4.03 a 6.55 a b.08 a 3.35 a 5.7 a 8.92 a 0.44 a.67 a 4.62 a 7 a 2.25 a 0.28 a*.04 a 2.43 a 3.65 a 6.9 a a.64 a 3.83 a 5.68 a 9.43 a.03 a 2.24 a 4.98 a 7.24 a 2.24 a 0.68 a*.43 a 2.74 a 3.95 a 6.47 a c. a 3.29 a 5. a 8.8 a 0.5 b.66 a 4.37 a 6.6 a.52 a 0.33 a*.09 a 2.46 a 3.67 a 6.2 a c 2.29 b 4.05 a 7.6 a 0.57 c 3.24 b 5.4 a 0.8 a 0.42 a.9 a 3.3 a 5.67 a c 0.99 b 2.98 a 4.69 a 8.4 a 0.42 c.48 a 3.92 a 5.96 a 0.44 a 0.29 a*.04 a 2.4 a 3.62 a 6.4 a d 2.33 c 3.99 a 7.57 a 0.79 c 3.9 b 5.9 a 9.55 a 0.59 a 2.02 a 3.24 a 5.77 a 24.6 d 2.73 c 6.05 b.88 d 3.78 c 7.92 a.28 b 2.5 a 5.05 a d 2.3 c 3.62 b 6.8 a 0.77 c 2.88 b 4.66 a 8.54 a 0.6 a 2.02 a 3.22 a 5.74 a d 2.85 c 5.87 b 0.0 d 2.09 d 3.8 c 7.54 a 0.06 c.53 b 2.74 a 5.25 a e.49 e 4.2 d 0.7 e 2.3 d 5.77 c 0.6 d.8 c 4.32 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 6

64 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 30 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 2.89 a 5.0 a 6.84 a 0.86 a 2.44 a* 3.93 a 7.2 a 9.76 a 5.46 a a* 2.7 a 4.84 a 6.67 a 0.7 a 2.23 a* 3.7 a 6.99 a 9.55 a 5.25 a a* 2.33 a 4.5 a 6.34 a 0.38 a.82 a* 3.28 a 6.57 a 9.3 a 4.84 a 2.75 a* 2.73 a 4.87 a 6.69 a 0.72 a 2.27 a* 3.74 a 7.02 a 9.58 a 5.28 a a* 2.5 a 4.65 a 6.49 a 0.5 a 2.0 a* 3.47 a 6.75 a 9.3 a 5.0 a a* 2.03 a 4.22 a 6.07 a 0. a.49 a* 2.92 a 6.2 a 8.78 a 4.48 a 2.57 a* 2.56 a 4.7 a 6.53 a 0.56 a 2.07 a* 3.54 a 6.8 a 9.37 a 5.06 a a* 2.27 a 4.44 a 6.27 a 0.3 a.75 a* 3.2 a 6.47 a 9.03 a 4.73 a a*.7 a 3.9 a 5.75 a 9.79 a.2 a* 2.53 a 5.8 a 8.37 a 4.07 a 2.6 a* 2.5 a 4.3 a 6.5 a 0.7 a.63 a* 3.05 a 6.3 a 8.85 a 4.54 a a*.74 a 3.93 a 5.76 a 9.78 a.7 a* 2.57 a 5.8 a 8.36 a 4.04 a a 3.7 a 5.02 a 9.03 a 0.3 a*.64 a 4.85 a 7.4 a 3.06 a a*.68 a 3.84 a 5.67 a 9.66 a. a* 2.46 a 5.59 a 8.6 a 3.85 a b*.4 a 3.32 a 5.4 a 9.3 a 0.52 a*.83 a 4.94 a 7.49 a 3.5 a b 2.33 a 4.4 a 8.09 a 0.64 a 3.69 a 6.2 a.8 a b*.5 a 3.29 a 5.09 a 9.04 a 0.54 a*.79 a 4.7 a 7.3 a 2.65 a b 2.63 a 4.42 a 8.34 a.03 a 3.9 a 6.3 a.75 a 24.4 c 3.6 b 7 a 2.44 b 4.77 a 0.06 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

65 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 35 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi b.34 a 2.84 a 3.93 a 5.66 a 0.43 b.04 a 2.32 a 3.3 a 0.7 b.45 a 3.02 a 4.23 a 6.07 a d 0.93 b 2.45 a 3.53 a 5.07 a 0.08 d 0.67 c.96 b 2.93 a 0.3 c.04 b 2.63 a 3.82 a 5.48 a d.73 c 2.78 b 3.98 a.32 d 2.23 c 0.28 d.9 c 3.06 b 4.37 a d 0.95 c 2.3 b 3.3 a 4.7 a 0.4 d 0.7 c.9 b 2.79 a 0.36 c.05 b 2.5 a 3.59 a 5.2 a d.87 c 2.85 b 4.05 a 0.27 d.49 c 2.36 b 0.58 d 2.06 c 3.2 b 4.45 a e 2.02 d 2.87 c 0.77 e.58 d.25 d 2.27 d 3.22 b d.8 c 2.69 b 3.8 a 0.37 d.48 c 2.27 c 0.05 e 0.66 d.99 c 2.96 b 4.9 a e.34 d 2.2 d 3. b.04 d.8 d 0.7 e.5 d 2.45 c 3.46 b e.33 e.88 d 0.28 e 0.97 e 0.66 e.55 e 2.8 d e.6 d 2.25 c 0.74 e.33 e 0.0 e.09 e.83 d 2.55 c f.2 e.56 d 0.29 f 0.85 e 0.6 e.3 e.82 d f 0.37 e 0.02 f 0.4 f 0.56 e f 0.85 f.7 e 0.2 f 0.65 f 0.45 f e.38 e f 0.53 f 0.9 f 0.5 f 0.69 e f 0.46 f 0.8 f 0.02 f 0.43 f 0.59 f Wall Height (ft) Spacing (in.) o.c. 35 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a.96 a 3.9 a 5.42 a 7.63 a 0.59 a.27 a 2.7 a 3.94 a 0.9 a.72 a 3.52 a 5.04 a 7.3 a b.5 a 3.46 a 4.97 a 7 a 0.24 c 0.9 a 2.35 a 3.57 a 0.52 b.32 a 3.3 a 4.63 a 6.69 a c 2.63 b 4.3 a 5.8 a 0.22 c.7 c 2.86 a 0.57 c 2.4 b 3.85 a 5.55 a c.49 a 3.27 a 4.65 a 6.5 a 0.3 c 0.93 b 2.3 a 3.48 a 0.56 b.33 a 3.02 a 4.44 a 6.36 a d 0.98 c 2.76 b 4.3 a 5.79 a 0.5 c.89 b 3.03 a 0.2 d 0.86 c 2.56 a 3.95 a 5.64 a d.84 d 3.9 c 4.46 a.4 d 2.2 c 0.0 d.72 c 3.04 c 4.34 a d.04 c 2.64 b 3.88 a 5.4 a 0.0 d 0.59 c.88 b 2.94 a 0.23 d 0.94 c 2.5 b 3.8 a 5.38 a d 2.09 c 3.32 b 4.63 a 0.2 d.42 d 2.44 c 0.42 d.99 c 3.25 b 4.59 a 24.3 e 2.32 d 3.23 c 0.6 e.53 d.08 e 2.26 d 3.9 c e.54 d 2.5 d 3.45 b.08 e.9 d 0.23 e.53 d 2.54 c 3.55 b e.92 e 2.66 d 0.58 e.35 e 0.98 e.95 d 2.7 c f 0.92 f.27 e 0.4 f 0.02 f 0.9 e.26 e e.48 e 2.03 d 0.45 f.05 e 0.76 e.52 e 2.09 d f 0.93 f.28 e 0.52 f 0.22 f 0.94 f.29 e f 0.78 f.06 e 0.45 f 0.2 f 0.79 f.08 e f 0.37 f 0.25 f 0.34 f 24 See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 63

66 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 35 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.3 a 4.54 a 6.38 a 9. a.49 a 2.48 a 4.77 a 6.6 a 9.94 a.08 a.84 a 3.24 a 4.49 a 6.96 a a.85 a 4. a 5.92 a 8.45 a.6 a 2.5 a 4.45 a 6.28 a 9.45 a 0.82 a.58 a 3.03 a 4.28 a 6.74 a c.02 b 3.26 a 5.06 a 7.2 a 0.52 a.5 a 3.82 a 5.65 a 8.49 a 0.32 a.09 a 2.6 a 3.86 a 6.3 a b.84 a 3.92 a 5.64 a 7.98 a.2 a 2.7 a 4.45 a 6.29 a 9.46 a 0.87 a.62 a 3.05 a 4.3 a 6.76 a c.32 b 3.4 a 5. a 7.2 a 0.8 a.77 a 4.04 a 5.88 a 8.83 a 0.55 a.3 a 2.78 a 4.03 a 6.47 a d 2.44 c 4. b 5.78 a 0.03 b 0.98 a 3.27 a 5.09 a 7.62 a 0.69 a 2.24 a 3.5 a 5.9 a c.38 b 3.28 a 4.86 a 6.82 a 0.89 a.84 a 4.05 a 5.93 a 8.9 a 0.63 a.38 a 2.84 a 4.09 a 6.53 a c 2.7 b 4.25 a 5.96 a 0.42 b.36 a 3.56 a 5.42 a 8.3 a 0.25 a a 2.5 a 3.75 a 6.7 a d 3.6 c 4.42 b 0.44 b 2.64 a 4.46 a 6.66 a 0.27 b.84 a 3.09 a 5.47 a d 2. c 3.36 c 4.65 a 0.25 c.2 b 3.4 a 4.86 a 7.54 a 0.3 c 0.85 a 2.33 a 3.57 a 5.95 a d 2.69 d 3.73 b 0.5 c 2.52 b 4.9 a 6.48 a 0.34 c.86 b 3.09 a 5.43 a e.53 e 2.2 d.38 d 2.97 c 4.55 a 0.98 d 2.9 c 4.44 a 2.5 e 2. d 2.9 c 0.42 d 2.2 c 3.7 b 5.65 a 0.28 d.75 c 2.95 a 5.24 a f.46 e 2.0 d.49 d 2.93 c 4.45 b.6 d 2.33 c 4.55 a f 0.49 e 0.24 e.56 e 2.35 d 0. e.2 d 3.28 c f.2 e.66 e.35 d 2.6 d 3.9 b.5 d 2.27 c 4.4 b f 0.83 e 0.6 e.79 e 2.68 d 0.47 e.55 d 3.58 c f 0.57 e 0.27 e 2. e Wall Height (ft) Spacing (in.) o.c. 35 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.59 a 4.85 a 6.69 a 0.59 a 2.0 a 3.4 a 6.56 a 9.06 a 4.68 a.22 a*.96 a 3.9 a 4.38 a 6.89 a a 2.29 a 4.56 a 6.4 a 0.29 a.7 a 3.07 a 6.22 a 8.72 a 4.3 a.03 a*.78 a 3.04 a 4.24 a 6.75 a a.7 a 4 a 5.85 a 9.69 a.07 a 2.4 a 5.55 a 8.05 a 3.59 a 0.66 a*.42 a 2.75 a 3.96 a 6.49 a 2.34 a 2.33 a 4.59 a 6.43 a 0.3 a.73 a 3.09 a 6.7 a 8.63 a 4.3 a.06 a*.8 a 3.06 a 4.26 a 6.77 a a.95 a 4.23 a 6.07 a 9.9 a.34 a 2.67 a 5.74 a 8.9 a 3.66 a 0.83 a*.58 a 2.88 a 4.08 a 6.6 a a.23 a 3.52 a 5.36 a 9.4 a 0.58 a.85 a 4.9 a 7.35 a 2.75 a 0.36 a*.3 a 2.5 a 3.73 a 6.26 a 2.06 a 2.04 a 4.3 a 6.3 a 9.96 a.42 a 2.73 a 5.7 a 8.2 a 3.48 a 0.89 a*.64 a 2.93 a 4.3 a 6.65 a a.59 a 3.85 a 5.68 a 9.47 a 0.95 a 2.23 a 5.9 a 7.59 a 2.9 a 0.6 a*.36 a 2.69 a 3.9 a 6.43 a a 2.99 a 4.8 a 8.52 a 0.07 b.26 a 4.2 a 6.56 a.78 a 0.03 a* 0.8 a 2.24 a 3.47 a 6.0 a b.37 a 3.56 a 5.39 a 9. a 0.76 a.94 a 4.67 a 6.92 a.88 a 0.5 a*.26 a 2.6 a 3.8 a 6.34 a b 2.95 a 4.75 a 8.39 a 0.6 c.28 a 3.98 a 6.2 a.07 a 0. a* 0.86 a 2.27 a 3.49 a 6.03 a c 3.55 b 7.04 a 0.06 c 2.7 b 4.85 a 9.55 a 0. a.62 a 2.86 a 5.4 a c 2.65 b 4.33 a 7.99 a 0. c.3 b 3.55 a 5.57 a 9.98 a 0.07 b* 0.8 a 2.2 a 3.43 a 5.95 a c 3.55 b 7.04 a 0.36 d 2.74 c 4.7 b 8.98 a 0.3 b.77 a 2.99 a 5.53 a e 2.4 d 5.34 c.28 d 3.4 d 7.7 b 0.92 c 2.5 a 4.7 a d.77 d 3.22 c 6.33 a 0.38 d 2.48 c 4.22 b 8.02 a 0.33 b.77 a 2.98 a 5.49 a e 2.37 d 5.29 c.6 d 3.28 c 6.92 b.22 c 2.42 a 4.94 a e 3.47 d 0.08 e.62 e 4.97 d 0.8 d.37 c 3.87 b See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

67 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 35 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 2.79 a 4.92 a 6.75 a 0.78 a 2.34 a* 3.82 a 7. a 9.65 a 5.35 a a* 2.58 a 4.73 a 6.56 a 0.59 a 2. a* 3.57 a 6.85 a 9.4 a 5. a 24.4 a* 2.5 a 4.34 a 6.8 a 0.22 a.62 a* 3.07 a 6.36 a 8.93 a 4.64 a 2.62 a* 2.6 a 4.76 a 6.59 a 0.62 a 2.4 a* 3.6 a 6.89 a 9.44 a 5.4 a a* 2.34 a 4.5 a 6.35 a 0.38 a.83 a* 3.29 a 6.57 a 9.3 a 4.83 a a*.8 a 4.0 a 5.86 a 9.9 a.23 a* 2.66 a 5.94 a 8.52 a 4.22 a 2.42 a* 2.4 a 4.57 a 6.4 a 0.43 a.9 a* 3.37 a 6.64 a 9.2 a 4.9 a a* 2.08 a 4.26 a 6. a 0.3 a.54 a* 2.97 a 6.25 a 8.8 a 4.5 a a*.42 a 3.65 a 5.5 a 9.53 a 0.8 a* 2.2 a 5.47 a 8.05 a 3.74 a a*.94 a 4.2 a 5.95 a 9.97 a.4 a* 2.8 a 6.05 a 8.6 a 4.29 a a*.47 a 3.67 a 5.5 a 9.53 a 0.88 a* 2.26 a 5.48 a 8.04 a 3.7 a a 2.8 a 4.65 a 8.66 a.8 a 4.38 a 6.94 a 2.58 a a*.4 a 3.58 a 5.4 a 9.39 a 0.8 a* 2.4 a 5.26 a 7.82 a 3.5 a a 2.98 a 4.8 a 8.78 a 0.5 b*.42 a 4.5 a 7.05 a 2.69 a b 3.66 a 7.59 a 0.08 b 3. a 5.6 a.5 a b 2.96 a 4.75 a 8.69 a 0.9 b*.4 a 4.3 a 6.72 a 2.2 a c 2.22 b 3.99 a 7.88 a 0.55 b 3.4 a 5.78 a.7 a d 2.57 c 6.36 a.75 c 4.04 b 9.26 a See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 65

68 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 40 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi c.7 b 2.67 a 3.76 a 5.4 a 0.27 c 0.88 b 2.6 a 3.4 a 0.53 b.27 a 2.85 a 4.05 a 5.8 a d 0.7 c 2.24 b 3.3 a 4.75 a 0.46 c.77 b 2.72 a 0. d 0.8 c 2.42 b 3.59 a 5.5 a d 2.48 c 3.55 a.05 d.95 c.6 d 2.75 c 3.93 a 2 0. d 0.74 c 2.2 b 3. a 4.42 a 0.5 d.72 c 2.6 b 0.7 d 0.84 c 2.3 b 3.39 a 4.83 a d.64 d 2.6 c 3.7 a 0.05 e.28 d 2.2 c 0.33 d.82 c 2.87 b 4.08 a e.69 d 2.4 c 0.49 e.27 e 0.93 e.93 d 2.74 c d.6 d 2.47 c 3.49 a 0.7 e.29 d 2.06 c 0.44 d.78 c 2.74 b 3.87 a 0 6. e.94 d 2.73 c 0.8 e.55 d.26 d 2.8 d 3.08 b f 0.99 e.4 d 0.65 e 0.33 e.2 e.69 d e.4 e.94 d 0.54 e.2 e 0.88 e.6 e 2.23 d f 0.86 e.9 e 0.06 f 0.6 f 0.35 f.03 e.44 e f 0.08 f f 0.64 f 0.88 e 0.02 f 0.44 f 0.24 f 0.78 f.07 e f 0.9 f 0.25 f 0.34 f f 0.9 f 0.23 f 0.3 f Wall Height (ft) Spacing (in.) o.c. 40 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi b.76 a 3.7 a 5.22 a 7.36 a 0.44 b. a 2.55 a 3.78 a 0.73 a.55 a 3.35 a 4.86 a 7.04 a c.26 b 3.22 a 4.72 a 6.65 a 0.05 c 0.7 b 2.6 a 3.36 a 0.3 c. a 2.9 a 4.4 a 6.36 a d 2.3 c 3.79 b 5.33 a.44 c 2.57 b 0.27 c 2. b 3.53 a 5.09 a c.27 b 3.04 a 4.42 a 6.2 a 0.2 d 0.74 c 2.2 a 3.28 a 0.37 c.3 b 2.82 a 4.22 a 6.05 a c 2.48 c 3.85 a 5.39 a 0.27 d.67 c 2.78 b 0.6 c 2.3 b 3.68 a 5.26 a d 2.82 c 3.94 b 0.84 d.87 d.38 d 2.68 c 3.82 b d 0.8 d 2.4 c 3.63 b 5.07 a 0.38 d.68 c 2.72 b 0.02 d 0.7 c 2.28 b 3.56 a 5.04 a e.8 d 3.02 c 4.2 a.8 d 2.7 c 0.5 d.72 d 2.95 c 4.7 a e.93 e 2.69 c 0.28 e.8 e 0.72 e.87 d 2.63 c e.29 e 2.24 d 3. c 0.86 e.66 d.29 e 2.28 d 3.8 c e.62 e 2.24 d 0.32 f.06 e 0.69 e.63 e 2.27 d f 0.74 e 0.03 f 0.5 f 0.7 e f.23 e.69 e 0.23 f 0.82 f 0.52 f.26 e.74 d f 0.88 e 0.24 f 0.63 f 0.87 e f 0.75 f 0.23 f 0.55 f 0.75 e f 24 See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

69 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 40 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2. a 4.35 a 6.8 a 8.82 a.35 a 2.34 a 4.63 a 6.46 a 9.73 a 0.97 a.73 a 3.5 a 4.4 a 6.87 a b.6 a 3.85 a 5.67 a 8.08 a 0.98 a.96 a 4.27 a 6.09 a 9.7 a 0.68 a.44 a 2.9 a 4.6 a 6.6 a c 2.92 b 4.7 a 6.7 a 0.26 a.24 a 3.56 a 5.38 a 8.09 a 0. a 0.88 a 2.42 a 3.68 a 6. a b.6 a 3.69 a 5.4 a 7.64 a.03 a 2 a 4.27 a 6.2 a 9.9 a 0.73 a.48 a 2.93 a 4.9 a 6.64 a d.04 b 3. a 4.8 a 6.78 a 0.57 a.54 a 3.82 a 5.65 a 8.48 a 0.37 a.3 a 2.62 a 3.88 a 6.3 a d 2.06 c 3.7 b 5.2 a 0.66 a 2.94 a 4.76 a 7.2 a 0.43 a 2.0 a 3.27 a 5.67 a d.3 c 3.03 a 4.6 a 6.45 a 0.69 a.63 a 3.84 a 5.7 a 8.57 a 0.47 a.22 a 2.69 a 3.94 a 6.37 a d 2.4 c 3.93 b 5.5 a 0.6 b.09 a 3.29 a 5.4 a 7.7 a 0.04 b 0.79 a 2.3 a 3.56 a 5.97 a d 2.73 d 3.8 b 0.08 c 2.27 b 4.06 a 6.06 a.57 b 2.82 a 5.8 a e.82 d 3.06 c 4.24 b 0.85 b 2.87 a 4.57 a 7.07 a 0.63 b 2.3 a 3.36 a 5.73 a e 2.34 d 3.24 c 0.8 d 2.8 c 3.83 b 5.9 a 0.06 c.6 b 2.82 a 5.4 a e.5 e 0.93 d 2.48 d 3.8 b 0.63 d.82 c 4.04 b e.82 e 2.5 d 0. d.89 d 3.36 c 5.2 a 0.0 d.5 c 2.68 b 4.94 a f.2 e.54 e. e 2.52 d 3.8 c 0.85 d 2 d 4.7 b e.54 d 0.77 e 2.78 d f 0.94 f.29 e.02 e 2.24 d 3.36 c 0.85 e.95 d 4.04 c f 0.4 f 0.22 f.36 e 2.04 d 0. e.6 e 3.3 d e Wall Height (ft) Spacing (in.) o.c. 40 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.46 a 4.73 a 6.57 a 0.46 a.88 a 3.27 a 6.42 a 8.92 a 4.52 a.4 a*.88 a 3.2 a 4.32 a 6.83 a a 2.2 a 4.4 a 6.25 a 0. a.52 a 2.88 a 6.03 a 8.53 a 4. a 0.92 a*.67 a 2.96 a 4.6 a 6.68 a a.45 a 3.77 a 5.6 a 9.43 a 0.8 a 2.3 a 5.27 a 7.76 a 3.29 a 0.5 a*.26 a 2.62 a 3.84 a 6.37 a 2.8 a 2.7 a 4.43 a 6.28 a 0.3 a.56 a 2.9 a 5.98 a 8.44 a 3.93 a 0.96 a*.7 a 2.98 a 4.9 a 6.7 a a.74 a 4.02 a 5.86 a 9.69 a.2 a 2.43 a 5.49 a 7.95 a 3.4 a 0.69 a*.45 a 2.77 a 3.98 a 6.5 a a 3.23 a 5.06 a 8.82 a 0.27 a.5 a 4.55 a 6.99 a 2.36 a 0.6 a* 0.94 a 2.35 a 3.58 a 6.2 a a.85 a 4. a 5.93 a 9.75 a.22 a 2.5 a 5.49 a 7.89 a 3.23 a 0.77 a*.52 a 2.83 a 4.03 a 6.55 a a.33 a 3.6 a 5.42 a 9.9 a 0.69 a.94 a 4.9 a 7.29 a 2.57 a 0.44 a*.2 a 2.56 a 3.78 a 6.3 a b 2.64 a 4.44 a 8.2 a 0.86 a 3.78 a 6.4 a.3 a 0.58 a 2.04 a 3.28 a 5.83 a c. a 3.29 a 5. a 8.8 a 0.5 b.66 a 4.37 a 6.6 a.52 a 0.33 a*.09 a 2.46 a 3.67 a 6.2 a c 2.6 b 4.4 a 7.99 a 0.92 b 3.6 a 5.8 a 0.62 a 0.64 a 2.08 a 3.3 a 5.85 a d 3.07 c 6.49 a 2.9 c 4.3 b 8.93 a.35 a 2.59 a 5.5 a d 2.33 c 3.99 a 7.57 a 0.79 c 3.9 b 5.9 a 9.55 a 0.59 a 2.02 a 3.24 a 5.77 a d 3.3 c 6.53 a 2.3 c 4.23 b 8.44 a 0.02 b.52 a 2.75 a 5.29 a e.59 d 4.68 c 0.7 e 2.52 d 6.46 c 0.57 c.8 b 4.35 a 2.42 d 2.85 c 5.87 b 0.0 d 2.09 d 3.8 c 7.54 a 0.06 c.53 b 2.74 a 5.25 a e.92 d 4.74 c.4 e 2.78 d 6.33 c 0.9 c 2. b 4.63 a e 2.76 e 0.98 e 4.22 d 0.95 d 3.44 c See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 67

70 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 40 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 2.7 a 4.84 a 6.67 a 0.7 a 2.23 a* 3.7 a 6.99 a 9.55 a 5.25 a a* 2.45 a 4.62 a 6.45 a 0.49 a.96 a* 3.42 a 6.7 a 9.27 a 4.98 a a*.97 a 4.7 a 6.02 a 0.06 a.42 a* 2.85 a 6.5 a 8.72 a 4.43 a 2.5 a* 2.5 a 4.65 a 6.49 a 0.5 a 2.0 a* 3.47 a 6.75 a 9.3 a 5.0 a a* 2.9 a 4.37 a 6.2 a 0.24 a.66 a* 3. a 6.39 a 8.95 a 4.66 a a*.57 a 3.8 a 5.66 a 9.69 a 0.98 a* 2.39 a 5.68 a 8.25 a 3.96 a 2.27 a* 2.27 a 4.44 a 6.27 a 0.3 a.75 a* 3.2 a 6.47 a 9.03 a 4.73 a a*.89 a 4.08 a 5.93 a 9.96 a.33 a* 2.75 a 6.02 a 8.59 a 4.29 a a*.4 a 3.39 a 5.24 a 9.28 a 0.5 a*.88 a 5.4 a 7.72 a 3.42 a a*.74 a 3.93 a 5.76 a 9.78 a.7 a* 2.57 a 5.8 a 8.36 a 4.04 a a*.2 a 3.42 a 5.26 a 9.28 a 0.59 a*.94 a 5.6 a 7.72 a 3.38 a a 2.45 a 4.29 a 8.29 a 0.74 a 3.92 a 6.48 a 2. a b*.4 a 3.32 a 5.4 a 9.3 a 0.52 a*.83 a 4.94 a 7.49 a 3.5 a b 2.65 a 4.47 a 8.43 a.03 a 4. a 6.63 a 2.24 a c 3.9 a 7. a 2.52 b 5 a 0.5 a b 2.63 a 4.42 a 8.34 a.03 a 3.9 a 6.3 a.75 a c 3.57 a 7.44 a 0.09 c 2.9 b 5.27 a 0.6 a d 2 c 5.75 b.09 d 3.35 c 8.49 a See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

71 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 50 psf Lateral Load 350S62-(mils) 362S37-(mils) 362S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi d 0.82 c 2.34 b 3.42 a 4.9 a 0.56 c.87 b 2.83 a 0.2 c 0.92 b 2.52 a 3.7 a 5.3 a d.83 c 2.88 b 4.3 a 0.08 d.4 c 2.33 b 0.38 d 2 c 3.6 b 4.52 a e.9 d 2.72 c 0.56 e.42 d.06 d 2.6 d 3.08 b d.76 c 2.72 b 3.88 a 0.6 d.39 d 2.24 c 0.46 d.94 c 3 b 4.26 a d 2.3 d 3.03 b 0.87 e.68 d.36 d 2.39 c 3.39 b e.08 e.52 d 0.68 e 0.34 e.3 e.84 d 2.22 d 2.07 d 2.92 c 0.93 e.67 d 0.03 e.38 d 2.32 c 3.27 b e.45 e 2.04 d 0.38 e.08 e 0.78 e.67 d 2.36 c f 0.5 e 0.05 f 0.54 e 0.76 e f 0.99 e.37 e 0.8 f 0.72 e 0.47 f.7 e.63 d f 0.52 e 0.3 f 0.53 f 0.73 e f 0.36 f 0.07 f 0.37 f 0.5 f Wall Height (ft) Spacing (in.) o.c. 50 psf Lateral Load 362S200-(mils) 400S37-(mils) 400S62-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi c.38 a 3.34 a 4.85 a 6.82 a 0.4 c 0.8 b 2.26 a 3.46 a 0.4 b.2 a 3.02 a 4.5 a 6.52 a c 2.75 b 4.25 a 5.97 a 0.3 c.79 b 2.96 a 0.67 c 2.5 a 3.96 a 5.7 a d 3.5 c 4.42 a 0.93 d 2.02 c.53 c 2.92 c 4.2 a c 2.62 b 3.99 a 5.59 a 0.39 d.78 c 2.9 b 0.73 c 2.43 b 3.8 a 5.45 a d.97 d 3.32 c 4.64 a.24 d 2.3 c 0.3 d.83 c 3.7 b 4.52 a e 2. d 2.95 c 0.27 e.24 e 0.75 e.99 d 2.84 c d.95 d 3.7 c 4.4 a.3 d 2.3 c 0.28 d.86 c 3. b 4.38 a e 2.46 d 3.42 c 0.7 e.66 d.2 d 2.39 d 3.38 b f.2 e.67 d 0.5 e 0.05 e.4 e.6 d e.77 e 2.44 d 0.45 e.2 e 0.83 e.79 e 2.49 d f.06 e.46 e 0.52 f 0.5 f.04 e.45 e f 0.78 f.08 e 0.38 f 0.08 f 0.78 f.08 e f 0.6 f 0.07 f 0. f f 0.8 f 0. f 0.4 f See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 69

72 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 50 psf Lateral Load 400S200-(mils) 550S62-(mils) 600S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi b.73 a 3.97 a 5.8 a 8.26 a.07 a 2.06 a 4.36 a 6.9 a 9.3 a 0.75 a.5 a 2.96 a 4.22 a 6.68 a c.4 b 3.38 a 5.8 a 7.38 a 0.6 a.6 a 3.9 a 5.74 a 8.62 a 0.39 a.6 a 2.66 a 3.92 a 6.36 a d 2.27 c 4.03 b 5.73 a 0.7 a 3.05 a 4.86 a 7.3 a 0.47 a 2.06 a 3.33 a 5.74 a c.8 b 3.25 a 4.95 a 6.99 a 0.69 a.65 a 3.93 a 5.77 a 8.66 a 0.46 a.2 a 2.7 a 3.96 a 6.39 a c 2.57 c 4.23 a 5.98 a 0.4 b.09 a 3.37 a 5.2 a 7.79 a 0.02 b 0.78 a 2.3 a 3.57 a 5.99 a d 2.94 c 4.4 b 0.04 c 2.32 b 4. a 6.5 a.57 a 2.83 a 5.2 a d 2.55 c 4.09 b 5.73 a 0.29 b.22 a 3.43 a 5.28 a 7.9 a 0.4 b 0.89 a 2.4 a 3.65 a 6.07 a d 3.3 c 4.63 a 0.57 b 2.77 a 4.59 a 6.87 a 0.37 b.94 a 3.9 a 5.57 a e.92 e 2.68 c.55 c 3.3 b 4.9 a.04 c 2.29 b 4.6 a 2.3 e 2.5 d 3.48 c 0.34 c 2.35 b 4.0 a 6.9 a 0.2 c.73 b 2.96 a 5.29 a e.69 e 2.33 d.53 d 3.3 c 4.82 a. c 2.3 b 4.58 a f 0.36 e 0.07 e.56 d 2.38 c.2 d 3.26 c f.29 e.77 e.3 d 2.72 d 4.3 b d 2.7 c 4.36 b f 0.69 e 0.4 e.74 e 2.63 d 0.24 e.37 d 3.46 c f 0.05 e.83 e f 0.62 f 0.4 e.57 e 2.35 d 0.28 e.35 e 3.35 d f 0.85 e 0.44 e 2.3 e f Wall Height (ft) Spacing (in.) o.c. 50 psf Lateral Load 600S62-(mils) 600S200-(mils) 800S37-(mils) 33 ksi 50 ksi 33 ksi 50 ksi 33 ksi 50 ksi a 2.2 a 4.48 a 6.33 a 0.2 a.6 a 2.98 a 6.2 a 8.62 a 4.2 a 0.98 a*.72 a 3 a 4.2 a 6.72 a a.78 a 4.08 a 5.93 a 9.77 a.6 a 2.5 a 5.64 a 8.4 a 3.69 a 0.7 a*.47 a 2.79 a 4 a 6.53 a a 3.3 a 5.5 a 8.93 a 0.3 a.58 a 4.7 a 7.2 a 2.68 a 0.8 a* 0.96 a 2.37 a 3.6 a 6.5 a a.85 a 4.3 a 5.97 a 9.8 a.23 a 2.55 a 5.62 a 8.07 a 3.53 a 0.76 a*.5 a 2.82 a 4.03 a 6.55 a a.33 a 3.62 a 5.46 a 9.25 a 0.69 a.97 a 5.02 a 7.46 a 2.88 a 0.43 a*.9 a 2.56 a 3.78 a 6.3 a b 2.65 a 4.48 a 8.8 a 0.85 a 3.87 a 6.29 a.6 a 0.56 a 2.04 a 3.27 a 5.83 a a.46 a 3.72 a 5.55 a 9.33 a 0.82 a 2.08 a 5.05 a 7.44 a 2.74 a 0.52 a*.28 a 2.63 a 3.84 a 6.37 a a 3. a 4.93 a 8.65 a 0.9 b.39 a 4.33 a 6.7 a.93 a 0. a* 0.89 a 2.3 a 3.53 a 6.07 a b 3.74 a 7.34 a 0. b 2.99 a 5.32 a 0.4 a 0.2 a.66 a 2.9 a 5.48 a b 2.78 a 4.57 a 8.9 a. b 3.79 a 6 a 0.84 a 0.75 a 2.7 a 3.4 a 5.94 a c 3.72 b 7.22 a 0.23 c 2.88 b 5.04 a 9.76 a 0.2 a.7 a 2.95 a 5.5 a d 2.5 d 5.44 b.22 d 3.27 c 7.75 a 0.82 b 2.07 a 4.64 a 2.73 d 3.34 c 6.79 a 0.5 d 2.52 c 4.46 b 8.7 a 0.6 b.65 a 2.87 a 5.4 a e 2.34 d 5.57 c.48 d 3.35 c 7.42 b.04 b 2.27 a 4.8 a e 3.42 d.37 e 5.2 d.2 c 3.67 b e 2.4 d 5.0 c.37 d 3.02 d 6.62 b.06 c 2.27 b 4.78 a e 3.7 d 0.28 e.84 e 5.23 d 0.32 d.52 c 4.02 b e 2.82 e 0.2 e 2.59 d See Combined Axial and Lateral Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

73 Combined Axial and Lateral Load Tables Wall Height (ft) Spacing (in.) o.c. 50 psf Lateral Load 800S62-(mils) 800S200-(mils) 33 ksi 50 ksi 33 ksi 50 ksi a* 2.52 a 4.67 a 6.5 a 0.54 a 2.03 a* 3.49 a 6.78 a 9.34 a 5.05 a a* 2.2 a 4.39 a 6.24 a 0.27 a.69 a* 3.4 a 6.43 a 9 a 4.7 a a*.6 a 3.84 a 5.7 a 9.74 a.0 a* 2.43 a 5.73 a 8.3 a 4.03 a 2.26 a* 2.26 a 4.44 a 6.28 a 0.3 a.75 a* 3.2 a 6.48 a 9.04 a 4.75 a a*.88 a 4.08 a 5.93 a 9.97 a.32 a* 2.75 a 6.03 a 8.6 a 4.3 a a*.2 a 3.39 a 5.25 a 9.29 a 0.48 a*.86 a 5.5 a 7.74 a 3.44 a a*.98 a 4.7 a 6.0 a 0.04 a.43 a* 2.86 a 6.3 a 8.7 a 4.4 a a*.5 a 3.73 a 5.58 a 9.62 a 0.9 a* 2.3 a 5.58 a 8.5 a 3.85 a a 2.88 a 4.74 a 8.77 a.24 a 4.5 a 7.08 a 2.77 a a*.34 a 3.55 a 5.39 a 9.4 a 0.73 a* 2. a 5.32 a 7.88 a 3.55 a a 2.93 a 4.77 a 8.78 a 0.02 a*.33 a 4.53 a 7.09 a 2.74 a a 3.58 a 7.56 a 3.03 a 5.58 a.7 a a 2.82 a 4.64 a 8.6 a.22 a 4.3 a 6.84 a 2.46 a b 3.82 a 7.76 a 0.26 b 3.29 a 5.8 a.36 a d 2.27 c 6.4 a.42 c 3.85 b 9.27 a b 3.78 a 7.66 a 0.32 c 3.5 a 5.52 a 0.89 a d 2.77 c 6.57 a.97 c 4.28 b 9.52 a d 4.57 c 2.03 d 7.0 b See Combined Axial and Lateral Load Table Notes on page 47. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 7

74 Floor Joist Span Tables Allowable Floor Joist Span Table Notes. Spans are based upon continuous support of compression flange over the full length of the joist. 3. Calculated allowable properties are based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 4. For two equal spans, the listed span is the center-to-center distance from either end to the center support, with the joist continuous over the center support. 5. Joists must be braced against rotation at all supports. 6. End web crippling check is based upon 3.5 inch end bearing. Joist flanges must be fastened to the support. 7. Shear capacity at mid-span support has been reduced for the presence of punchouts adjacent to the support. Mid-span combined bending and shear check based upon stiffened web. 8. Deflection checks are computed using unbalanced loads for the two equal span condition. 9. Total load deflection limited to L/240. Live load deflection limit as noted. 0. e indicates that web stiffeners are required at the end supports only.. i indicates that web stiffeners are required at the interior supports only. 2. a indicates that web stiffeners are required at all the supports. 72 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

75 Floor Joist Span Tables 0 psf Dead Load and 20 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 6" 2' 7" e 0' 3" e 4' 6" i 2' 7" i 0' 3" a 4' 4" 2' 7" e 0' 3" e 4' 6" i 2' 7" i 0' 3" a 600S ' 6" 3' 5" e 0' " e 5' 6" i 3' 5" i 0' " a 5' 0" 3' 5" e 0' " e 5' 6" i 3' 5" i 0' " a 600S ' 2" 5' 0" 2' 3" 7' 4" i 5' 0" i 2' 3" i 5' 7" 4' 2" 2' 3" 7' 4" i 5' 0" i 2' 3" i 600S ' 0" 6' 0" 3' " 8' 6" i 6' 0" i 3' " i 6' 5" 4' " 3' 0" 8' 5" i 6' 0" i 3' " i 600S ' " 6' 5" 3' 5" e 9' 0" i 6' 5" i 3' 5" i 7' 2" 5' 7" 3' 5" e 9' 0" i 6' 5" i 3' 5" i 600S ' 5" 6' 9" 4' 7" 20' 8" 8' 9" i 6' 5" i 6' 9" 5' 2" 3' 3" 8' 9" 7' " 4' " i 600S ' 4" 7' 7" 5' 4" 2' 9" 9' 9" i 7' 3" i 7' 7" 6' 0" 4' 0" 9' 9" 7' " 5' 8" i 600S ' 2" 8' 4" 6' 0" 22' 8" 20' 7" i 7' 0" i 8' 4" 6' 8" 4' 7" 20' 7" 8' 9" 6' 4" i 600S ' 9" 7' " 5' 8" 22' 2" 20' 2" 7' 7" i 7' " 6' 4" 4' 3" 20' 2" 8' 4" 6' 0" 600S ' 9" 8' 0" 6' 6" 23' 4" 2' 2" 8' 6" i 8' 0" 7' 2" 5' 0" 2' 2" 9' 3" 6' 0" 600S ' 9" 9' 9" 7' 3" 24' 5" 22' 3" 9' 5" i 9' 9" 8' 0" 5' 8" 22' 3" 20' 2" 7' 8" 600S ' " 9' " 7' 4" 24' 7" 22' 4" 9' 6" 9' " 8' " 5' 9" 22' 4" 20' 3" 7' 9" 600S ' " 20' " 8' 4" 25' " 23' 6" 20' 7" 20' " 9' 0" 6' 8" 23' 6" 2' 4" 8' 8" 600S ' 3" 22' 0" 9' 3" 27' 2" 24' 8" 2' 7" 22' 0" 20' 0" 7' 6" 24' 8" 22' 5" 9' 7" 600S ' " 2' 0" 8' 4" 25' " 23' 7" 20' 7" 2' 0" 9' " 6' 8" 23' 7" 2' 5" 8' 9" 600S ' 5" 22' 2" 9' 4" 27' 5" 24' " 2' 9" 22' 2" 20' 2" 7' 7" 24' " 22' 7" 9' 9" 600S ' 8" 23' 4" 20' 4" 28' 9" 26' 2" 22' 0" 23' 4" 2' 2" 8' 6" 26' 2" 23' 9" 20' 9" 800S ' 9" e 4' 6" e ' 0" e 6' 9" a 4' 0" a 0' 6" a 6' 9" e 4' 6" e ' 0" e 6' 9" a 4' 0" a 0' 6" a 800S ' 0" e 5' 7" e 2' 8" e 7' 0" a 4' 7" a 0' 0" a 8' 0" e 5' 7" e 2' 8" e 7' 0" a 4' 7" a 0' 0" a 800S ' 2" 7' 6" 4' 3" e 20' 2" i 7' 6" i 4' 3" i 9' 6" 7' 6" 4' 3" e 20' 2" i 7' 6" i 4' 3" i 800S ' 7" 8' 8" 5' 3" e 2' 7" i 8' 8" i 5' 3" a 20' 7" 8' 8" 5' 3" e 2' 7" i 8' 8" i 5' 3" a 800S ' 2" 9' 2" e 5' 8" e 22' 2" i 9' 2" i 5' 8" a 2' 5" 9' 2" e 5' 8" e 22' 2" i 9' 2" i 5' 8" a 800S ' " 20' " 8' 3" 25' 0" i 23' 5" i 9' " i 20' " 9' 0" 6' 7" 23' 6" 2' 4" i 8' 8" i 800S ' 4" 22' " 9' 4" 27' 3" i 24' 0" i 20' 5" i 22' " 20' " 7' 6" 24' 0" 22' 6" i 9' 8" i 800S ' 3" 22' " 20' " 28' 4" i 25' 7" i 20' 0" i 22' " 20' 0" 8' 3" 25' 9" 23' 5" i 20' 5" i 800S ' " 22' 8" 9' 9" 28' 0" 25' 5" i 22' 2" i 22' 8" 20' 7" 8' 0" 25' 5" 23' " 20' 2" i 800S ' " 23' 9" 20' 9" 29' 4" 26' 8" i 23' 3" i 23' 9" 2' 7" 8' 0" 26' 8" 24' 2" 2' 2" i 800S ' 3" 24' 9" 2' 7" 30' 7" 27' 9" i 24' 3" i 24' 9" 22' 6" 9' 8" 27' 9" 25' 3" 22' " i 800S ' 8" 25' 2" 22' 0" 3' " 28' 3" 24' 8" 25' 2" 22' 0" 20' 0" 28' 3" 25' 8" 22' 5" 800S ' 0" 26' 5" 23' " 32' 7" 29' 7" 25' " 26' 5" 24' 0" 20' " 29' 7" 26' " 23' 6" 800S ' 4" 27' 7" 24' " 34' " 30' " 27' " 27' 7" 25' " 2' " 30' " 28' 2" 24' 7" 800S ' 4" 26' 7" 23' 3" 32' " 29' " 26' " 26' 7" 24' 2" 2' 2" 29' " 27' 2" 23' 9" 800S ' 9" 27' " 24' 5" 34' 6" 3' 5" 27' 5" 27' " 25' 5" 22' 2" 3' 5" 28' 6" 24' " 800S ' 2" 29' 3" 25' 6" 36' " 32' 0" 28' 8" 29' 3" 26' 7" 23' 2" 32' 0" 29' 0" 26' " 000S ' 4" e 9' 4" e 5' 0" e 22' 4" a 9' 4" a 5' 9" a 22' 4" e 9' 4" e 5' 0" e 22' 4" a 9' 4" a 5' 9" a 000S ' " e 20' " e 7' " e 24' " a 20' " a 6' 6" a 24' " e 20' " e 7' " e 24' " a 20' " a 6' 6" a 000S ' 0" e 2' 6" e 7' 6" e 24' 0" a 2' 6" a 6' 9" a 24' 0" e 2' 6" e 7' 6" e 24' 0" a 2' 6" a 6' 9" a 000S ' 5" 24' 0" 2' 2" 30' 0" i 25' " i 2' 2" i 24' 0" 22' 7" 9' 9" 27' " i 25' 4" i 2' 2" i 000S ' 8" 26' 0" 22' 9" 32' 2" i 27' " i 22' 9" i 26' 0" 23' 8" 20' 8" 29' 3" i 26' 7" i 22' 9" i 000S ' 3" 27' 6" 23' 5" 33' " i 28' 8" i 23' 5" i 27' 6" 25' 0" 2' 0" 30' 0" i 28' 0" i 23' 5" i 000S ' 8" 27' 0" 23' 7" 33' 4" i 30' 3" i 25' 0" i 27' 0" 24' 6" 2' 5" 30' 3" 27' 6" i 24' 0" i 000S ' 0" 28' 2" 24' 7" 34' 0" i 3' 8" i 26' 9" i 28' 2" 25' 7" 22' 4" 3' 8" 28' 9" 25' " i 000S ' 6" 29' 7" 25' 0" 36' 6" i 33' 2" i 27' 6" i 29' 7" 26' 0" 23' 5" 33' 2" 30' 2" i 26' 4" i 000S ' 4" 30' 4" 26' 6" 37' 5" 34' 0" 29' 9" 30' 4" 27' 6" 24' " 34' 0" 30' " 27' 0" 000S ' 0" 3' 8" 27' 8" 39' " 35' 6" 3' 0" 3' 8" 28' 9" 25' " 35' 6" 32' 3" 28' 2" 000S ' 3" 32' " 28' 9" 40' 9" 37' 0" 32' 4" i 32' " 29' " 26' 2" 37' 0" 33' 7" 29' 4" See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 73

76 Floor Joist Span Tables 0 psf Dead Load and 20 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 4" 32' " 28' 0" 39' 8" 36' 0" 3' 6" 32' " 29' 2" 25' 6" 36' 0" 32' 9" 28' 7" 000S ' " 33' 7" 29' 4" 4' 6" 37' 8" 32' " 33' 7" 30' 6" 26' 8" 37' 8" 34' 3" 29' " 000S ' 6" 35' 0" 30' 7" 43' 2" 39' 3" 34' 4" 35' 0" 3' 9" 27' 9" 39' 3" 35' 8" 3' 2" 200S ' 6" e 27' " e 22' 0" e 32' 3" a 27' " a 22' 0" a 28' 7" e 26' 0" e 22' 9" e 32' 2" a 27' " a 22' 0" a 200S ' " e 29' " e 24' 8" e 34' " a 30' 3" a 24' 8" a 29' " e 27' 2" e 23' 9" e 33' 7" a 30' 3" a 24' 8" a 200S ' 3" e 3' 2" e 25' 6" e 36' 0" a 3' 2" a 25' 6" a 3' 2" e 28' 4" e 24' 9" e 35' 0" a 3' 2" a 25' 6" a 200S ' 3" 3' " 27' " 38' 4" i 33' 3" i 27' " i 3' " 28' 3" 24' 8" 34' " i 3' 9" i 27' " i 200S ' 9" 32' 5" 28' 4" 40' " i 35' 9" i 29' 2" i 32' 5" 29' 6" 25' 9" 36' 5" 33' " i 28' " i 200S ' 3" 33' 0" 29' 6" 4' 9" i 36' " i 30' " i 33' 0" 30' 9" 26' 0" 37' " i 34' 6" i 30' " i 200S ' 0" 35' 3" 30' 0" 43' 7" 39' 7" 34' 7" i 35' 3" 32' 0" 28' 0" 39' 7" 36' 0" 3' 5" 200S ' 5" 36' 8" 32' " 45' 4" 4' 3" 36' 0" i 36' 8" 33' 4" 29' 2" 4' 3" 37' 5" 32' 9" 200S ' 0" 38' 2" 33' 4" 47' " 42' 0" 37' 5" i 38' 2" 34' 8" 30' 3" 42' 0" 38' " 34' 0" 200S ' 3" 37' 6" 32' 9" 46' 4" 42' " 36' 9" 37' 6" 34' " 29' 9" 42' " 38' 3" 33' 5" 200S ' 0" 39' " 34' " 48' 3" 43' 0" 38' 4" 39' " 35' 6" 3' 0" 43' 0" 39' 0" 34' 0" 200S ' 8" 40' 7" 35' 5" 50' 2" 45' 7" 39' 9" 40' 7" 36' 0" 32' 2" 45' 7" 4' 5" 36' 2" 200S ' " 4' 0" 36' 7" 5' 9" 47' 0" 4' " 4' 0" 38' 0" 33' 3" 47' 0" 42' 8" 37' 4" 200S ' 5" 44' 0" 38' 5" 54' 5" 49' 5" 43' 2" 44' 0" 40' 0" 34' " 49' 5" 44' " 39' 3" 400S ' 0" e 32' " e 26' 2" e 37' 0" a 32' " a 24' 5" a 33' 8" e 30' 7" e 26' 2" e 37' 0" a 32' " a 24' 5" a 400S ' 6" e 33' 4" e 27' 2" e 38' 6" a 33' 2" a 24' " a 35' 0" e 3' 0" e 27' 2" e 38' 6" a 33' 2" a 24' " a 400S ' " e 34' " e 27' 0" e 39' 5" a 33' 8" a 25' 3" a 35' 6" e 32' 3" e 27' 0" e 39' 5" a 33' 8" a 25' 3" a 400S ' 9" e 37' " e 3' 4" e 44' 2" a 36' " a 26' 0" a 37' " e 34' 6" e 30' " e 42' 7" a 36' " a 26' 0" a 400S ' 3" 36' 7" 3' " 44' 0" i 38' " i 3' " i 36' 7" 33' 3" 29' 0" 4' 0" i 37' 3" i 3' " i 400S ' 0" 38' 0" 32' 3" 45' 8" i 39' 7" i 32' 3" i 38' 0" 34' 7" 30' 2" 42' 8" i 38' 0" i 32' 3" i 400S ' 0" 39' 0" 33' " 46' 9" i 40' 6" i 33' " i 39' 0" 35' 6" 3' 0" 43' 0" i 39' 0" i 33' " i 400S ' " 4' 0" 36' 7" 5' 9" i 45' 2" i 36' " i 4' 0" 38' 0" 33' 3" 47' 0" i 42' 8" i 36' " i 400S ' 8" 4' 6" 36' 3" 5' 3" 46' 7" i 40' 5" i 4' 6" 37' 8" 32' " 46' 7" 42' 4" 37' 0" i 400S ' 4" 43' 0" 37' 7" 53' 2" 48' 4" i 4' " i 43' 0" 39' " 34' 2" 48' 4" 43' " 38' 4" i 400S ' 0" 44' 4" 38' 9" 54' 0" 49' 0" i 42' " i 44' 4" 40' 4" 35' 2" 49' 0" 45' 3" 39' 6" i 400S ' 6" 46' 9" 40' " 57' 0" 52' 6" i 45' " i 46' 9" 42' 6" 37' 2" 52' 6" 47' 9" 4' 8" i 400S ' " 44' 5" 38' 0" 54' " 49' " 43' 7" i 44' 5" 40' 4" 35' 3" 49' " 45' 4" 39' 7" 400S ' 8" 46' 0" 40' 3" 56' " 5' 8" 45' 2" i 46' 0" 4' 0" 36' 6" 5' 8" 46' " 4' 0" 400S ' 4" 47' 7" 4' 6" 58' 9" 53' 5" 46' 8" i 47' 7" 43' 2" 37' 9" 53' 5" 48' 6" 42' 4" 400S ' 9" 49' 9" 43' 6" 6' 6" 55' 0" 48' 0" 49' 9" 45' 3" 39' 6" 55' 0" 50' 9" 44' 4" 600S ' 7" e 40' " e 32' 9" e 46' 3" a 40' " a 32' 9" a 40' 6" e 36' 0" e 32' 2" e 45' 6" a 40' " a 32' 9" a 600S ' 4" e 4' 9" e 34' " e 48' 3" a 4' 9" a 34' " a 42' " e 38' 3" e 33' 5" e 47' 3" a 4' 9" a 34' " a 600S ' 6" e 42' " e 35' " e 49' 7" a 42' " a 35' " a 43' 2" e 39' 3" e 34' 3" e 48' 6" a 42' " a 35' " a 600S ' " e 45' 6" e 39' 4" e 55' 7" a 48' 2" a 39' 0" a 45' 6" e 4' 4" e 36' " e 5' " a 46' 5" a 39' 0" a 600S ' 9" 46' 2" 40' 4" 57' 0" i 5' 0" i 42' 0" i 46' 2" 4' " 36' 7" 5' 0" 47' " 4' " i 600S ' 7" 47' 9" 4' 9" 59' " i 53' 8" i 44' 7" i 47' 9" 43' 5" 37' " 53' 8" 48' 9" 42' 7" i 600S ' 2" 49' 2" 43' 0" 60' 0" i 55' 3" i 45' 9" i 49' 2" 44' 8" 39' " 55' 3" 50' 2" 43' 0" i 600S ' 9" 5' 7" 45' " 63' 9" 57' " i 50' 7" i 5' 7" 46' 0" 40' " 57' " 52' 7" 45' " i 600S ' 6" 49' 6" 43' 3" 6' 2" 55' 7" 48' 7" i 49' 6" 45' 0" 39' 4" 55' 7" 50' 6" 44' 2" 600S ' 4" 5' 2" 44' 9" 63' 3" 57' 6" 50' 3" i 5' 2" 46' 6" 40' 8" 57' 6" 52' 3" 45' 8" 600S ' 2" 52' 0" 46' 2" 65' 3" 59' 4" 5' 0" i 52' 0" 48' 0" 4' " 59' 4" 53' " 47' " 600S ' 9" 55' 2" 48' 2" 68' 2" 6' " 54' 2" i 55' 2" 50' 2" 43' 0" 6' " 56' 4" 49' 2" See Allowable Floor Joist Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

77 Floor Joist Span Tables 0 psf Dead Load and 30 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 7" e 0' " e 8' " e 2' 7" i 0' " a 8' " a 2' 6" e 0' " e 8' " e 2' 7" i 0' " a 8' " a 600S ' 5" e ' 7" e 9' 6" e 3' 5" i ' 7" a 9' 3" a 3' " e ' 7" e 9' 6" e 3' 5" i ' 7" a 9' 3" a 600S ' 0" 3' 0" 0' 8" e 5' 0" i 3' 0" i 0' 8" i 3' 8" 2' 5" 0' 8" e 5' 0" i 3' 0" i 0' 8" i 600S ' 9" 3' 0" ' 4" e 6' 0" i 3' 0" i ' 4" i 4' 4" 3' 0" ' 4" e 6' 0" i 3' 0" i ' 4" i 600S ' 5" 4' 3" ' 7" e 6' 5" i 4' 3" i ' 7" i 5' 0" 3' 7" ' 7" e 6' 5" i 4' 3" i ' 7" i 600S ' " 4' 7" 2' 9" 8' " 6' 5" i 4' 3" i 4' 7" 3' 3" ' 7" 6' 5" 4' " 3' 0" i 600S ' " 5' 4" 3' 5" 9' 0" 7' 3" i 5' " i 5' 4" 4' 0" 2' 2" 7' 3" 5' 8" 3' 8" i 600S ' 8" 6' 0" 4' 0" 9' 0" i 8' 0" i 5' 6" i 6' 0" 4' 7" 2' 9" 8' 0" 6' 4" i 4' 3" i 600S ' 3" 5' 8" 3' 8" 9' 4" 7' 7" 5' 4" i 5' 8" 4' 3" 2' 5" 7' 7" 6' 0" 4' 0" 600S ' 2" 6' 6" 4' 5" 20' 4" 8' 6" 6' 2" i 6' 6" 5' 0" 3' " 8' 6" 6' 0" 4' 8" 600S ' 0" 7' 3" 5' " 2' 4" 9' 5" 6' " i 7' 3" 5' 8" 3' 9" 9' 5" 7' 8" 5' 5" 600S ' " 7' 4" 5' 2" 2' 6" 9' 6" 7' 0" 7' 4" 5' 9" 3' 9" 9' 6" 7' 9" 5' 6" 600S ' 2" 8' 4" 6' 0" 22' 7" 20' 7" 7' " 8' 4" 6' 8" 4' 6" 20' 7" 8' 8" 6' 4" 600S ' 2" 9' 3" 6' 9" 23' 9" 2' 7" 8' 0" 9' 3" 7' 6" 5' 3" 2' 7" 9' 7" 7' 2" 600S ' 2" 8' 4" 6' 0" 22' 8" 20' 7" 8' 0" 8' 4" 6' 8" 4' 7" 20' 7" 8' 9" 6' 4" 600S ' 4" 9' 4" 6' " 23' " 2' 9" 9' 0" 9' 4" 7' 7" 5' 4" 2' 9" 9' 9" 7' 3" 600S ' 5" 20' 4" 7' 9" 25' 2" 22' 0" 20' 0" 20' 4" 8' 6" 6' 2" 22' 0" 20' 9" 8' 2" 800S ' 6" e 2' 7" e 0' 3" e 4' 0" a ' 5" a 8' 5" a 4' 6" e 2' 7" e 0' 3" e 4' 0" a ' 5" a 8' 5" a 800S ' 7" e 3' 6" e ' 0" e 4' 7" a ' 0" a 8' 9" a 5' 7" e 3' 6" e ' 0" e 4' 7" a ' 0" a 8' 9" a 800S ' 6" 5' 2" e 2' 4" e 7' 6" i 5' 2" i 2' 4" a 7' 0" 5' 2" e 2' 4" e 7' 6" i 5' 2" i 2' 4" a 800S ' 8" 6' 2" e 3' 3" e 8' 8" i 6' 2" i 3' 3" a 8' 0" 6' 2" e 3' 3" e 8' 8" i 6' 2" i 3' 3" a 800S ' 2" e 6' 7" e 3' 7" e 9' 2" i 6' 7" i 3' 7" a 8' 9" 6' 7" e 3' 7" e 9' 2" i 6' 7" i 3' 7" a 800S ' 2" 8' 3" 6' 0" 22' 7" i 20' 3" i 6' 6" i 8' 3" 6' 7" 4' 6" 20' 6" i 8' 8" i 6' 4" i 800S ' 3" 9' 4" 6' 0" 23' 0" i 2' 7" i 7' 8" i 9' 4" 7' 6" 5' 4" 2' 8" i 9' 8" i 7' 2" i 800S ' " 20' " 7' 6" 24' 9" i 22' " i 8' " i 20' " 8' 3" 5' " 22' 6" i 20' 5" i 7' 0" i 800S ' 9" 9' 9" 7' 3" 24' 5" 22' 2" i 9' 5" i 9' 9" 8' 0" 5' 8" 22' 2" 20' 2" 7' 7" i 800S ' 0" 20' 9" 8' " 25' 7" 23' 3" i 20' 4" i 20' 9" 8' 0" 6' 5" 23' 3" 2' 2" 8' 6" i 800S ' 9" 2' 7" 8' " 26' 9" 24' 3" i 2' 2" i 2' 7" 9' 8" 7' 2" 24' 3" 22' " 9' 3" i 800S ' 2" 22' 0" 9' 2" 27' 2" 24' 8" 2' 7" 22' 0" 20' 0" 7' 5" 24' 8" 22' 5" 9' 7" 800S ' 4" 23' " 20' 2" 28' 6" 25' " 22' 7" 23' " 20' " 8' 4" 25' " 23' 6" 20' 6" 800S ' 6" 24' " 2' " 29' 9" 27' " 23' 7" 24' " 2' " 9' " 27' " 24' 7" 2' 6" 800S ' 7" 23' 3" 20' 4" 28' 9" 26' " 22' 0" 23' 3" 2' 2" 8' 5" 26' " 23' 9" 20' 9" 800S ' 0" 24' 5" 2' 4" 30' 2" 27' 5" 23' " 24' 5" 22' 2" 9' 5" 27' 5" 24' " 2' 9" 800S ' " 25' 6" 22' 4" 3' 7" 28' 8" 25' " 25' 6" 23' 2" 20' 3" 28' 8" 26' " 22' 9" 000S ' 4" e 6' 9" e 3' 8" e 9' 4" a 6' 9" a 2' 0" a 9' 4" e 6' 9" e 3' 8" e 9' 4" a 6' 9" a 2' 0" a 000S ' " e 8' " e 4' 9" e 20' " a 7' 0" a 3' 5" a 20' " e 8' " e 4' 9" e 20' " a 7' 0" a 3' 5" a 000S ' 6" e 8' 7" e 5' 2" e 2' 6" a 8' 2" a 3' 7" a 2' 6" e 8' 7" e 5' 2" e 2' 6" a 8' 2" a 3' 7" a 000S ' " 2' 9" 8' 4" 25' " i 22' 6" i 8' 4" i 2' 9" 9' 9" 7' 3" 24' 5" i 22' 2" i 8' 4" i 000S ' 0" 22' 9" 9' 9" 27' " i 24' 2" i 9' 9" i 22' 9" 20' 8" 8' " 25' 6" i 23' 2" i 9' 9" i 000S ' 5" 24' 0" 20' 3" 28' 8" i 24' 0" i 20' 3" i 24' 0" 2' 0" 9' " 26' " i 24' 6" i 20' 3" i 000S ' " 23' 7" 20' 7" 29' " i 26' 6" i 2' 8" i 23' 7" 2' 5" 8' 8" 26' 6" 24' 0" i 2' 0" i 000S ' " 24' 7" 2' 6" 30' 5" i 27' 8" i 23' 2" i 24' 7" 22' 4" 9' 7" 27' 8" 25' " i 2' " i 000S ' 5" 25' 0" 22' 7" 3' " i 29' 0" i 23' 0" i 25' 0" 23' 5" 20' 6" 29' 0" 26' 4" i 23' 0" i 000S ' 2" 26' 6" 23' " 32' 8" 29' 9" 26' 0" i 26' 6" 24' " 2' 0" 29' 9" 27' 0" 23' 7" 000S ' 5" 27' 8" 24' 2" 34' 2" 3' 0" 27' " i 27' 8" 25' " 2' " 3' 0" 28' 2" 24' 8" 000S ' 8" 28' 9" 25' 2" 35' 7" 32' 4" 28' 3" i 28' 9" 26' 2" 22' 0" 32' 4" 29' 4" 25' 8" 000S ' 0" 28' 0" 24' 6" 34' 8" 3' 6" 27' 6" 28' 0" 25' 6" 22' 3" 3' 6" 28' 7" 25' 0" 000S ' 3" 29' 4" 25' 7" 36' 3" 32' " 28' 9" 29' 4" 26' 8" 23' 3" 32' " 29' " 26' " 000S ' 7" 30' 7" 26' 8" 37' 9" 34' 4" 30' 0" 30' 7" 27' 9" 24' 3" 34' 4" 3' 2" 27' 3" 200S ' 6" e 24' 2" e 9' 9" e 27' " a 24' 2" a 9' 6" a 25' 0" e 22' 9" e 9' 9" e 27' " a 24' 2" a 9' 6" a 200S ' 9" e 26' 2" e 2' 4" e 30' 3" a 26' 2" a 20' 6" a 26' 2" e 23' 9" e 20' 9" e 29' 4" a 26' 2" a 20' 6" a 200S ' " e 27' 0" e 22' " e 3' 2" a 27' 0" a 20' " a 27' 3" e 24' 9" e 2' 7" e 30' 7" a 27' 0" a 20' " a 200S ' " 27' 2" 23' 6" 33' 3" i 28' 9" i 23' 6" i 27' 2" 24' 8" 2' 7" 30' 6" i 27' 9" i 23' 6" i 200S ' 2" 28' 4" 24' 9" 35' 0" i 30' " i 25' 3" i 28' 4" 25' 9" 22' 6" 3' 0" i 28' " i 25' 3" i 200S ' 6" 29' 6" 25' 0" 36' 6" i 3' " i 26' " i 29' 6" 26' 0" 23' 5" 33' 2" i 30' 2" i 26' " i 200S ' " 30' 0" 26' " 38' " 34' 7" 30' 2" i 30' 0" 28' 0" 24' 5" 34' 7" 3' 5" 27' 5" i 200S ' 4" 32' " 28' 0" 39' 8" 36' 0" 3' 5" i 32' " 29' 2" 25' 5" 36' 0" 32' 9" 28' 7" i 200S ' 8" 33' 4" 29' " 4' 2" 37' 5" i 32' 8" i 33' 4" 30' 3" 26' 5" 37' 5" 34' 0" 29' 8" i See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 75

78 Floor Joist Span Tables 0 psf Dead Load and 30 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' " 32' 9" 28' 7" 40' 6" 36' 9" 32' " 32' 9" 29' 9" 26' 0" 36' 9" 33' 5" 29' 2" 200S ' 7" 34' " 29' 0" 42' 2" 38' 4" 33' 6" 34' " 3' 0" 27' " 38' 4" 34' 0" 30' 5" 200S ' 0" 35' 5" 30' " 43' 9" 39' 9" 34' 9" 35' 5" 32' 2" 28' 2" 39' 9" 36' 2" 3' 7" 200S ' 3" 36' 7" 3' " 45' 2" 4' " 35' 0" 36' 7" 33' 3" 29' 0" 4' " 37' 4" 32' 7" 200S ' 4" 38' 5" 33' 7" 47' 6" 43' 2" 37' 8" 38' 5" 34' " 30' 6" 43' 2" 39' 3" 34' 3" 400S ' " e 27' 9" e 22' 8" e 32' " a 26' 6" a 9' 0" a 29' 5" e 26' 8" e 22' 8" e 32' " a 26' 6" a 9' 0" a 400S ' 4" e 28' 0" e 23' 7" e 33' 2" a 27' " a 20' 2" a 30' 7" e 27' 9" e 23' 7" e 33' 2" a 27' " a 20' 2" a 400S ' " e 29' 7" e 24' 2" e 33' 8" a 27' 6" a 20' 5" a 3' 0" e 28' 2" e 24' 2" e 33' 8" a 27' 6" a 20' 5" a 400S ' 6" e 33' 2" e 27' " e 36' " a 29' 4" a 2' 7" a 33' 2" e 30' " e 26' 4" e 36' " a 29' 4" a 2' 7" a 400S ' 2" 3' " 26' " 38' " i 33' 0" i 26' " i 3' " 29' 0" 25' 4" 35' 0" i 32' 7" i 26' " i 400S ' 7" 33' 3" 28' 0" 39' 7" i 34' 3" i 28' 0" i 33' 3" 30' 2" 26' 4" 37' 4" i 33' " i 28' 0" i 400S ' 6" 34' " 28' 7" 40' 6" i 35' " i 28' 7" i 34' " 3' 0" 27' " 38' 3" i 34' 9" i 28' 7" i 400S ' 3" 36' 7" 3' " e 45' 2" i 39' 2" i 3' " i 36' 7" 33' 3" 29' 0" 4' " i 37' 3" i 3' " i 400S ' " 36' 3" 3' 8" 44' 0" 40' 8" i 35' 0" i 36' 3" 32' " 28' 9" 40' 8" 37' 0" 32' 4" i 400S ' 5" 37' 7" 32' 0" 46' 6" 42' 3" i 36' 3" i 37' 7" 34' 2" 29' 0" 42' 3" 38' 4" 33' 6" i 400S ' 8" 38' 9" 33' 0" 47' " 43' 6" i 37' 2" i 38' 9" 35' 2" 30' 9" 43' 6" 39' 6" 34' 6" i 400S ' 0" 40' " 35' 8" 50' 6" 45' " i 40' " i 40' " 37' 2" 32' 5" 45' " 4' 8" 36' 5" i 400S ' 9" 38' 0" 33' " 48' 0" 43' 7" 38' " i 38' 0" 35' 3" 30' 0" 43' 7" 39' 7" 34' 7" 400S ' 3" 40' 3" 35' 2" 49' 8" 45' 2" 39' 5" i 40' 3" 36' 6" 3' " 45' 2" 4' 0" 35' 0" 400S ' 9" 4' 6" 36' 3" 5' 4" 46' 8" 40' 9" i 4' 6" 37' 9" 33' 0" 46' 8" 42' 4" 37' 0" 400S ' 0" 43' 6" 38' 0" 53' 9" 48' 0" 42' 8" i 43' 6" 39' 6" 34' 6" 48' 0" 44' 4" 38' 9" 600S ' " e 34' 8" e 28' 4" e 40' " a 34' 8" a 28' 4" a 35' 5" e 32' 2" e 28' " e 39' 9" a 34' 8" a 28' 4" a 600S ' 6" e 36' 2" e 29' 6" e 4' 9" a 36' 2" a 29' 3" a 36' 9" e 33' 5" e 29' 2" e 4' 4" a 36' 2" a 29' 3" a 600S ' 6" e 37' 2" e 30' 4" e 42' " a 37' 2" a 29' 9" a 37' 9" e 34' 3" e 29' " e 42' 4" a 37' 2" a 29' 9" a 600S ' 9" e 39' 9" e 34' 0" e 48' 2" a 4' 8" a 3' 0" a 39' 9" e 36' " e 3' 7" e 44' 7" a 40' 6" a 3' 0" a 600S ' 4" 40' 4" 35' 3" 49' 0" i 45' 3" i 37' " i 40' 4" 36' 7" 32' 0" 45' 3" 4' " i 35' " i 600S ' " 4' 9" 36' 6" 5' 7" i 46' 0" i 38' 7" i 4' 9" 37' " 33' 2" 46' 0" 42' 7" i 37' 2" i 600S ' 4" 43' 0" 37' 7" 53' " i 48' 3" i 39' 8" i 43' 0" 39' " 34' " 48' 3" 43' 0" i 38' 4" i 600S ' 7" 45' " 39' 4" 55' 8" i 50' 7" i 43' 0" i 45' " 40' " 35' 9" 50' 7" 45' " i 40' 2" i 600S ' 7" 43' 3" 37' 9" 53' 5" 48' 7" 42' 5" i 43' 3" 39' 4" 34' 4" 48' 7" 44' 2" 38' 7" i 600S ' 3" 44' 9" 39' " 55' 3" 50' 3" 43' 0" i 44' 9" 40' 8" 35' 6" 50' 3" 45' 8" 39' 0" i 600S ' 9" 46' 2" 40' 4" 57' 0" 5' 0" i 45' 3" i 46' 2" 4' " 36' 7" 5' 0" 47' " 4' " i 600S ' " 48' 2" 42' " 59' 7" 54' 2" 47' 3" i 48' 2" 43' 0" 38' 3" 54' 2" 49' 2" 43' 0" i 0 psf Dead Load and 40 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 3" e 9' 9" e 7' " e ' 3" i 9' 9" a 7' 7" a ' 3" e 9' 9" e 7' " e ' 3" i 9' 9" a 7' 7" a 600S ' 0" e 0' 5" e 8' 6" e 2' 0" a 0' 5" a 7' " a ' " e 0' 5" e 8' 6" e 2' 0" a 0' 5" a 7' " a 600S ' 5" ' 8" 9' 6" e 3' 5" i ' 8" i 9' 6" a 2' 5" ' 3" 9' 6" e 3' 5" i ' 8" i 9' 6" a 600S ' 4" 2' 5" e 0' 2" e 4' 4" i 2' 5" i 0' 2" a 3' 0" ' 0" 0' 2" e 4' 4" i 2' 5" i 0' 2" a 600S ' 8" 2' 9" e 0' 5" e 4' 8" i 2' 9" i 0' 5" a 3' 7" 2' 4" e 0' 5" e 4' 8" i 2' 9" i 0' 5" a 600S ' 7" 3' 3" ' 7" 6' 5" i 4' " i 2' 9" i 3' 3" 2' " 0' 7" 4' " 3' 7" i ' 0" i 600S ' 4" 4' 0" 2' 2" 7' 3" i 5' 8" i 3' 6" i 4' 0" 2' 8" ' " 5' 8" 4' 3" i 2' 5" i 600S ' 0" 4' 7" 2' 9" 8' 0" i 6' 4" i 3' 0" i 4' 7" 3' 3" ' 7" 6' 4" 4' 0" i 3' 0" i 600S ' 8" 4' 3" 2' 5" 7' 7" 6' 0" 4' 0" i 4' 3" 2' " ' 4" 6' 0" 4' 6" 2' 8" 600S ' 6" 5' 0" 3' " 8' 6" 6' 0" 4' 8" i 5' 0" 3' 7" ' " 6' 0" 5' 3" 3' 4" i 600S ' 3" 5' 8" 3' 9" 9' 5" 7' 8" i 5' 5" i 5' 8" 4' 3" 2' 6" 7' 8" 6' 0" 4' 0" i 600S ' 4" 5' 9" 3' 9" 9' 6" 7' 9" 5' 6" 5' 9" 4' 4" 2' 6" 7' 9" 6' " 4' " 600S ' 4" 6' 8" 4' 6" 20' 7" 8' 8" 6' 4" 6' 8" 5' " 3' 2" 8' 8" 7' 0" 4' 0" 600S ' 3" 7' 6" 5' 3" 2' 7" 9' 7" 7' 2" 7' 6" 5' 0" 3' 0" 9' 7" 7' 0" 5' 7" See Allowable Floor Joist Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

79 Floor Joist Span Tables 0 psf Dead Load and 40 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 4" 6' 8" 4' 7" 20' 7" 8' 9" 6' 4" 6' 8" 5' 2" 3' 3" 8' 9" 7' 0" 4' 0" 600S ' 4" 7' 7" 5' 4" 2' 9" 9' 9" 7' 3" 7' 7" 6' 0" 4' 0" 9' 9" 7' " 5' 8" 600S ' 4" 8' 6" 6' 2" 22' 0" 20' 9" 8' 2" 8' 6" 6' 0" 4' 8" 20' 9" 8' 0" 6' 6" 800S ' 0" e ' 3" e 9' 2" e ' " a 9' 8" a 7' " a 3' 0" e ' 3" e 9' 2" e ' " a 9' 8" a 7' " a 800S ' " e 2' " e 9' 6" e 2' 5" a 0' 0" a 7' 3" a 3' " e 2' " e 9' 6" e 2' 5" a 0' 0" a 7' 3" a 800S ' 8" e 3' 6" e ' " e 5' 8" i 3' 6" a ' " a 5' 5" e 3' 6" e ' " e 5' 8" i 3' 6" a ' " a 800S ' 9" e 4' 6" e ' 0" e 6' 9" i 4' 6" a ' 9" a 6' 4" e 4' 6" e ' 0" e 6' 9" i 4' 6" a ' 9" a 800S ' 2" e 4' 0" e 2' 2" e 7' 2" i 4' 0" a 2' 0" a 7' 0" e 4' 0" e 2' 2" e 7' 2" i 4' 0" a 2' 0" a 800S ' 3" 6' 7" 4' 6" 20' 6" i 8' " i 4' 0" i 6' 7" 5' " 3' 2" 8' 8" i 6' " i 4' 0" i 800S ' 4" 7' 6" 5' 4" 2' 8" i 9' 4" i 5' 9" i 7' 6" 5' " 3' " 9' 8" i 7' " i 5' 7" i 800S ' " 8' 3" 5' " 22' 6" i 9' 9" i 6' 2" i 8' 3" 6' 7" 4' 6" 20' 5" i 8' 7" i 6' 2" i 800S ' 9" 8' 0" 5' 8" 22' 2" i 20' 2" i 7' 4" i 8' 0" 6' 4" 4' 3" 20' 2" 8' 4" 6' 0" i 800S ' 9" 8' 0" 6' 5" 23' 3" i 2' 2" i 8' 6" i 8' 0" 7' " 4' " 2' 2" 9' 2" 6' 9" i 800S ' 7" 9' 8" 7' 2" 24' 3" i 22' " i 8' " i 9' 8" 7' 0" 5' 7" 22' " 20' 0" i 7' 6" i 800S ' 0" 20' 0" 7' 5" 24' 8" 22' 5" 9' 7" 20' 0" 8' 2" 5' 0" 22' 5" 20' 4" 7' 0" 800S ' " 20' " 8' 4" 25' " 23' 6" 20' 6" 20' " 9' 0" 6' 7" 23' 6" 2' 4" 8' 8" 800S ' " 2' " 9' " 27' " 24' 7" 2' 6" i 2' " 9' " 7' 4" 24' 7" 22' 4" 9' 6" 800S ' 3" 2' 2" 8' 5" 26' " 23' 9" 20' 9" 2' 2" 9' 2" 6' 9" 23' 9" 2' 7" 8' 0" 800S ' 5" 22' 2" 9' 5" 27' 5" 24' " 2' 9" 22' 2" 20' 2" 7' 7" 24' " 22' 8" 9' 9" 800S ' 6" 23' 2" 20' 3" 28' 8" 26' " 22' 9" 23' 2" 2' " 8' 5" 26' " 23' 8" 20' 8" 000S ' 4" e 5' 0" e 2' 3" e 7' 4" a 4' 8" a 0' " a 7' 4" e 5' 0" e 2' 3" e 7' 4" a 4' 8" a 0' " a 000S ' 8" e 6' 2" e 3' 2" e 8' 8" a 5' 4" a ' 4" a 8' 8" e 6' 2" e 3' 2" e 8' 8" a 5' 4" a ' 4" a 000S ' 3" e 6' 8" e 3' 7" e 9' 0" a 5' 7" a ' 6" a 9' 3" e 6' 8" e 3' 7" e 9' 0" a 5' 7" a ' 6" a 000S ' 9" 9' 9" 6' 5" 23' 2" i 20' " i 6' 5" i 9' 9" 7' " 5' 8" 22' 2" i 20' " i 6' 5" i 000S ' 9" 20' 8" 7' 8" e 24' " i 2' 7" i 7' 8" i 20' 8" 8' 9" 6' 5" 23' 2" i 2' " i 7' 8" i 000S ' 0" 2' 0" 8' " e 25' 7" i 22' 2" i 8' " i 2' 0" 9' 0" 7' 4" e 24' 6" i 22' 2" i 8' " i 000S ' 7" 2' 5" 8' 8" 26' 6" i 23' 9" i 9' 5" i 2' 5" 9' 5" 7' 0" 24' 0" i 2' 0" i 9' " i 000S ' 7" 22' 4" 9' 7" 27' 8" i 25' " i 20' 9" i 22' 4" 20' 4" 7' 9" 25' " i 22' 0" i 9' " i 000S ' 0" 23' 5" 20' 6" 29' 0" i 26' " i 2' 4" i 23' 5" 2' 4" 8' 7" 26' 4" i 23' " i 20' " i 000S ' 6" 24' " 2' 0" 29' 9" 27' 0" 23' 7" i 24' " 2' 0" 9' " 27' 0" 24' 6" 2' 5" 000S ' 8" 25' " 2' " 3' 0" 28' 2" 24' 8" i 25' " 22' 0" 9' " 28' 2" 25' 7" 22' 5" 000S ' 9" 26' 2" 22' 0" 32' 4" 29' 4" 25' 8" i 26' 2" 23' 9" 20' 9" 29' 4" 26' 8" 23' 4" 000S ' 0" 25' 6" 22' 3" 3' 6" 28' 7" 25' 0" 25' 6" 23' 2" 20' 3" 28' 7" 26' 0" 22' 8" 000S ' 4" 26' 8" 23' 3" 32' " 29' " 26' " 26' 8" 24' 2" 2' 2" 29' " 27' 2" 23' 9" 000S ' 7" 27' 9" 24' 3" 34' 4" 3' 2" 27' 3" 27' 9" 25' 3" 22' 0" 3' 2" 28' 4" 24' 9" 200S ' 0" e 2' 8" e 7' 8" e 25' 0" a 2' 8" a 6' 9" a 22' 9" e 20' 8" e 7' 8" e 25' 0" a 2' 8" a 6' 9" a 200S ' 2" e 23' 5" e 9' " e 27' 0" a 23' 3" a 7' 6" a 23' 9" e 2' 7" e 8' 0" e 26' 8" a 23' 3" a 7' 6" a 200S ' 3" e 24' 2" e 9' 9" e 27' " a 23' 9" a 7' 0" a 24' 9" e 22' 6" e 9' 7" e 27' 9" a 23' 9" a 7' 0" a 200S ' 2" 24' 8" 2' 0" 29' 8" i 25' 9" i 2' 0" i 24' 8" 22' 5" 9' 7" 27' 9" i 25' 2" i 2' 0" i 200S ' 4" 25' 9" 22' 6" 3' 0" i 27' 8" i 22' 7" i 25' 9" 23' 5" 20' 5" 28' " i 26' 3" i 22' 7" i 200S ' 6" 26' 0" 23' 4" 33' 0" i 28' 7" i 23' 4" i 26' 0" 24' 5" 2' 4" 30' 2" i 27' 4" i 23' 4" i 200S ' 0" 28' 0" 24' 5" 34' 7" 3' 5" i 27' 3" i 28' 0" 25' 5" 22' 3" 3' 5" 28' 7" 24' " i 200S ' " 29' 2" 25' 5" 36' 0" 32' 9" i 28' 7" i 29' 2" 26' 6" 23' " 32' 9" 29' 9" 26' 0" i 200S ' 4" 30' 3" 26' 5" 37' 5" 34' 0" i 29' 8" i 30' 3" 27' 6" 24' 0" 34' 0" 30' " 27' 0" i 200S ' 9" 29' 9" 26' 0" 36' 9" 33' 5" 29' 2" i 29' 9" 27' 0" 23' 7" 33' 5" 30' 4" 26' 6" 200S ' " 3' 0" 27' " 38' 4" 34' 0" 30' 5" i 3' 0" 28' 2" 24' 7" 34' 0" 3' 7" 27' 7" 200S ' 5" 32' 2" 28' 2" 39' 9" 36' 2" 3' 7" i 32' 2" 29' 3" 25' 7" 36' 2" 32' 0" 28' 8" 200S ' 7" 33' 3" 29' 0" 4' " 37' 4" 32' 7" i 33' 3" 30' 2" 26' 4" 37' 4" 33' " 29' 7" 200S ' 5" 34' " 30' 6" 43' 2" 39' 3" 34' 3" i 34' " 3' 9" 27' 9" 39' 3" 35' 8" 3' " 400S ' 8" e 24' 0" e 20' 3" e 27' 9" a 22' 8" a 6' 9" a 26' 8" e 24' 3" e 20' 3" e 27' 9" a 22' 8" a 6' 9" a 400S ' 0" e 25' 0" e 2' " e 28' 5" a 23' " a 7' 0" a 27' 9" e 25' 3" e 2' " e 28' 5" a 23' " a 7' 0" a 400S ' 6" e 26' 5" e 2' 7" e 28' 9" a 23' 5" a 7' 3" a 28' 2" e 25' 7" e 2' 7" e 28' 9" a 23' 5" a 7' 3" a 400S ' 2" e 29' 9" e 23' 6" e 30' 9" a 24' 0" a 8' " a 30' " e 27' 4" e 23' 6" e 30' 9" a 24' 0" a 8' " a 400S ' " 29' 0" 24' " e 34' " i 29' 6" i 24' " i 29' 0" 26' 4" 23' 0" 32' 7" i 29' 6" i 24' " i 400S ' 3" 30' 2" 25' 0" e 35' 4" i 30' 8" i 25' 0" i 30' 2" 27' 5" 24' 0" 33' " i 30' 8" i 25' 0" i 400S ' " 3' 0" 25' 7" e 36' 2" i 3' 4" i 25' 7" i 3' 0" 28' 2" 24' 7" e 34' 9" i 3' 4" i 25' 7" i 400S ' 7" 33' 3" 28' 7" e 40' 5" i 35' 0" i 27' 9" i 33' 3" 30' 2" 26' 4" e 37' 3" i 33' " i 27' 9" i See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 77

80 Floor Joist Span Tables 0 psf Dead Load and 40 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 3" 32' " 28' 9" 40' 8" i 37' 0" i 3' 4" i 32' " 29' " 26' 2" 37' 0" 33' 7" i 29' 4" i 400S ' 7" 34' 2" 29' 0" 42' 3" i 38' 4" i 32' 6" i 34' 2" 3' 0" 27' " 38' 4" 34' 0" i 30' 5" i 400S ' 9" 35' 2" 30' 9" 43' 6" i 39' 6" i 33' 3" i 35' 2" 32' 0" 27' " 39' 6" 35' " i 3' 4" i 400S ' " 37' 2" 32' 5" 45' " i 4' 8" i 36' 5" i 37' 2" 33' 9" 29' 6" 4' 8" 37' " i 33' " i 400S ' 0" 35' 3" 30' 0" 43' 7" 39' 7" 34' 7" i 35' 3" 32' 0" 28' 0" 39' 7" 36' 0" 3' 5" 400S ' 3" 36' 6" 3' " 45' 2" 4' 0" 35' 0" i 36' 6" 33' 2" 29' 0" 4' 0" 37' 3" 32' 7" 400S ' 6" 37' 9" 33' 0" 46' 8" 42' 4" 37' 0" i 37' 9" 34' 3" 29' " 42' 4" 38' 6" 33' 8" i 400S ' 6" 39' 6" 34' 6" 48' 0" 44' 4" 38' 9" i 39' 6" 35' " 3' 4" 44' 4" 40' 4" 35' 2" 600S ' 5" e 3' 0" e 25' 4" e 35' 0" a 3' 0" a 24' 5" a 32' 2" e 29' 2" e 25' 4" e 35' 0" a 3' 0" a 24' 5" a 600S ' 9" e 32' 4" e 26' 5" e 37' 4" a 32' 4" a 25' " a 33' 5" e 30' 4" e 26' 5" e 37' 4" a 32' 4" a 25' " a 600S ' 9" e 33' 3" e 27' 2" e 38' 5" a 33' 3" a 25' 5" a 34' 3" e 3' 2" e 27' 2" e 38' 5" a 33' 3" a 25' 5" a 600S ' 9" e 36' " e 30' 5" e 43' " a 36' 3" a 27' " a 36' " e 32' 0" e 28' 8" e 40' 6" a 36' 3" a 27' " a 600S ' 4" 36' 7" 32' 0" 45' 3" i 40' 8" i 33' 2" i 36' 7" 33' 3" 29' " 4' " 37' 4" i 32' 8" i 600S ' 9" 37' " 33' 2" 46' 0" i 42' 3" i 34' 6" i 37' " 34' 6" 30' " 42' 7" 38' 8" i 33' 0" i 600S ' 0" 39' " 34' " 48' 3" i 43' 5" i 35' 5" i 39' " 35' 6" 3' 0" 43' 0" 39' 0" i 34' 0" i 600S ' " 40' " 35' 9" 50' 7" i 45' " i 39' 2" i 40' " 37' 2" 32' 6" 45' " 4' 9" i 36' 6" i 600S ' 3" 39' 4" 34' 4" 48' 7" 44' 2" i 38' 6" i 39' 4" 35' 9" 3' 2" 44' 2" 40' " 35' 0" i 600S ' 9" 40' 8" 35' 6" 50' 3" 45' 8" i 39' 0" i 40' 8" 36' " 32' 3" 45' 8" 4' 6" 36' 3" i 600S ' 2" 4' " 36' 7" 5' 0" 47' " i 4' " i 4' " 38' " 33' 3" 47' " 42' 9" 37' 4" i 600S ' 2" 43' 0" 38' 3" 54' 2" 49' 2" i 43' 0" i 43' 0" 39' 0" 34' 9" 49' 2" 44' 8" 39' 0" i 0 psf Dead Load and 50 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 3" e 8' " e 7' 3" e 0' 3" a 8' " a 6' 8" a 0' 3" e 8' " e 7' 3" e 0' 3" a 8' " a 6' 8" a 600S ' " e 9' 6" e 7' 9" e 0' " a 9' 3" a 6' " a 0' " e 9' 6" e 7' 9" e 0' " a 9' 3" a 6' " a 600S ' 3" 0' 8" e 8' 8" e 2' 3" i 0' 8" i 8' 8" a ' 6" 0' 5" e 8' 8" e 2' 3" i 0' 8" i 8' 8" a 600S ' " ' 4" e 9' 3" e 3' " i ' 4" i 9' 3" a 2' " ' 0" e 9' 3" e 3' " i ' 4" i 9' 3" a 600S ' 5" e ' 7" e 9' 6" e 3' 5" i ' 7" i 9' 6" a 2' 8" ' 6" e 9' 6" e 3' 5" i ' 7" i 9' 6" a 600S ' 7" 2' 4" 0' 9" 5' 3" i 3' 0" i ' 7" i 2' 4" ' 2" 9' 9" 3' 0" 2' 7" i ' 0" i 600S ' 3" 3' 0" ' 4" 6' 0" i 4' 7" i 2' 4" i 3' 0" ' 9" 0' 3" 4' 7" 3' 3" i ' 7" i 600S ' " 3' 6" ' 0" 6' 8" i 5' 2" i 2' 8" i 3' 6" 2' 3" 0' 9" 5' 2" i 3' 9" i 2' " i 600S ' 7" 3' 3" ' 7" 6' 4" 4' 0" i 3' 0" i 3' 3" 2' 0" 0' 6" 4' 0" 3' 6" ' 9" i 600S ' 4" 3' " 2' 2" 7' 2" 5' 7" i 3' 8" i 3' " 2' 8" ' 0" 5' 7" 4' 2" 2' 5" i 600S ' " 4' 7" 2' 9" 8' 0" 6' 4" i 4' 4" i 4' 7" 3' 3" ' 7" 6' 4" 4' 0" 3' 0" i 600S ' 2" 4' 8" 2' 0" 8' " 6' 5" 4' 4" 4' 8" 3' 4" ' 8" 6' 5" 4' " 3' " 600S ' 0" 5' 5" 3' 6" 9' " 7' 4" 5' 2" 5' 5" 4' 0" 2' 3" 7' 4" 5' 9" 3' 9" 600S ' 0" 6' 3" 4' 2" 20' 0" 8' 2" 5' " 6' 3" 4' 9" 2' 0" 8' 2" 6' 6" 4' 5" 600S ' 0" 5' 6" 3' 6" 9' " 7' 5" 5' 2" 5' 6" 4' " 2' 3" 7' 5" 5' 9" 3' 9" 600S ' 0" 6' 4" 4' 3" 20' 2" 8' 4" 6' 0" 6' 4" 4' 0" 3' 0" 8' 4" 6' 8" 4' 7" 600S ' " 7' 2" 5' 0" 2' 3" 9' 3" 6' 0" 7' 2" 5' 7" 3' 7" 9' 3" 7' 6" 5' 4" 800S ' 0" e 0' 3" e 7' " e 0' 6" a 8' 5" a 6' 2" a ' 0" e 0' 3" e 7' " e 0' 6" a 8' 5" a 6' 2" a 800S ' 8" e ' 0" e 7' " e 0' 0" a 8' 9" a 6' 4" a 2' 8" e ' 0" e 7' " e 0' 0" a 8' 9" a 6' 4" a 800S ' 3" e 2' 4" e 0' " e 4' 3" i 2' 4" a 0' 0" a 4' 3" e 2' 4" e 0' " e 4' 3" i 2' 4" a 0' 0" a 800S ' 3" e 3' 3" e 0' 0" e 5' 3" a 3' 3" a 0' 5" a 5' 2" e 3' 3" e 0' 0" e 5' 3" a 3' 3" a 0' 5" a 800S ' 8" e 3' 7" e ' " e 5' 8" a 3' 7" a 0' 6" a 5' 8" e 3' 7" e ' " e 5' 8" a 3' 7" a 0' 6" a 800S ' 0" 5' 5" 3' 6" 9' " i 6' 6" i 3' 6" i 5' 5" 4' 0" 2' 3" 7' 4" i 5' 9" i 3' 6" i 800S ' " 6' 3" 4' 3" 20' " i 7' 8" i 4' 5" i 6' 3" 4' 9" 2' " 8' 3" i 6' 7" i 4' 5" i See Allowable Floor Joist Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

81 Floor Joist Span Tables 0 psf Dead Load and 50 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 7" 6' " 4' 9" e 20' 0" i 8' " i 4' 9" i 6' " 5' 4" 3' 5" 9' 0" i 7' 3" i 4' 9" i 800S ' 4" 6' 8" 4' 7" 20' 7" i 8' 9" i 5' 0" i 6' 8" 5' 2" 3' 3" 8' 9" 7' 0" i 4' 0" i 800S ' 3" 7' 6" 5' 3" 2' 7" i 9' 7" i 6' 0" i 7' 6" 5' " 3' 0" 9' 7" 7' 0" i 5' 7" i 800S ' " 8' 3" 5' " 22' 6" i 20' 6" i 7' 3" i 8' 3" 6' 7" 4' 6" 20' 6" 8' 7" i 6' 3" i 800S ' 5" 8' 6" 6' 2" 22' " 20' 0" 8' 2" i 8' 6" 6' 0" 4' 9" 20' 0" 8' " 6' 6" 800S ' 5" 9' 5" 7' 0" 24' 0" 2' 0" 9' " i 9' 5" 7' 8" 5' 5" 2' 0" 9' 0" 7' 4" 800S ' 4" 20' 4" 7' 9" 25' " 22' 0" 9' " i 20' 4" 8' 5" 6' " 22' 0" 20' 9" 8' " 800S ' 7" 9' 7" 7' 2" 24' 3" 22' 0" 9' 3" 9' 7" 7' 0" 5' 7" 22' 0" 20' 0" 7' 6" 800S ' 8" 20' 7" 8' 0" 25' 5" 23' " 20' 2" 20' 7" 8' 8" 6' 4" 23' " 2' 0" 8' 4" 800S ' 8" 2' 6" 8' 0" 26' 7" 24' 2" 2' 2" 2' 6" 9' 7" 7' " 24' 2" 22' 0" 9' 2" 000S ' 0" e 3' 8" e ' 2" e 5' 9" a 2' 0" a 9' 7" a 5' 0" e 3' 8" e ' 2" e 5' 9" a 2' 0" a 9' 7" a 000S ' " e 4' 9" e 2' " e 6' 6" a 3' 5" a 9' " a 7' " e 4' 9" e 2' " e 6' 6" a 3' 5" a 9' " a 000S ' 6" e 5' 2" e 2' 5" e 6' 9" a 3' 7" a 0' " a 7' 6" e 5' 2" e 2' 5" e 6' 9" a 3' 7" a 0' " a 000S ' 2" 8' 4" 5' 0" e 2' 2" i 8' 4" i 5' 0" i 8' 4" 6' 8" 4' 7" e 20' 7" i 8' 4" i 5' 0" i 000S ' " 9' 2" 6' " e 22' 9" i 9' 9" i 5' 0" i 9' 2" 7' 5" 5' 3" e 2' 6" i 9' 7" i 5' 0" i 000S ' 3" 20' 3" 6' 6" e 23' 5" i 20' 3" i 6' " i 20' 3" 8' 5" 6' " e 22' 9" i 20' 3" i 6' " i 000S ' " 9' " 7' 4" 24' 7" i 2' 8" i 7' 8" i 9' " 8' " 5' 9" 22' 4" i 20' 3" i 7' 8" i 000S ' 0" 20' 9" 8' 2" 25' 8" i 23' 2" i 8' " i 20' 9" 8' 0" 6' 6" 23' 4" i 2' 2" i 8' 6" i 000S ' 0" 2' 9" 9' 0" 26' " i 23' 0" i 9' 6" i 2' 9" 9' 9" 7' 3" 24' 5" i 22' 3" i 9' 5" i 000S ' 7" 22' 4" 9' 6" 27' 7" 25' " 2' " i 22' 4" 20' 3" 7' 9" 25' " 22' 9" 9' " i 000S ' 8" 23' 4" 20' 4" 28' 0" 26' 2" 22' 0" i 23' 4" 2' 2" 8' 6" 26' 2" 23' 9" 20' 9" i 000S ' 9" 24' 3" 2' 3" 30' 0" 27' 3" i 23' 0" i 24' 3" 22' " 9' 3" 27' 3" 24' 9" 2' 8" i 000S ' 0" 23' 8" 20' 8" 29' 3" 26' 7" 23' 2" 23' 8" 2' 6" 8' 9" 26' 7" 24' " 2' " 000S ' 3" 24' 9" 2' 7" 30' 7" 27' 9" 24' 3" 24' 9" 22' 6" 9' 7" 27' 9" 25' 3" 22' 0" 000S ' 4" 25' 9" 22' 6" 3' 0" 28' " 25' 3" 25' 9" 23' 5" 20' 5" 28' " 26' 3" 22' " 200S ' 0" e 9' 9" e 6' " e 22' 0" a 9' 6" a 4' 8" a 2' " e 9' 2" e 6' " e 22' 0" a 9' 6" a 4' 8" a 200S ' 3" e 2' 4" e 7' 5" e 24' 8" a 20' 6" a 5' 4" a 22' 0" e 20' 0" e 7' 5" e 24' 8" a 20' 6" a 5' 4" a 200S ' 3" e 22' " e 8' 0" e 25' 6" a 20' " a 5' 7" a 22' " e 20' 0" e 8' 0" e 25' 6" a 20' " a 5' 7" a 200S ' 3" 22' " 9' 2" 27' " i 23' 6" i 9' 2" i 22' " 20' 0" 8' 2" 25' 9" i 23' 5" i 9' 2" i 200S ' 4" 23' " 20' 8" e 29' 2" i 25' 3" i 20' 8" i 23' " 2' 9" 9' 0" 26' 0" i 24' 5" i 20' 8" i 200S ' 5" 24' " 2' 4" e 30' " i 26' " i 2' 4" i 24' " 22' 8" 9' 9" 28' 0" i 25' 5" i 2' 4" i 200S ' 7" 26' 0" 22' 8" 32' " 29' 2" i 24' " i 26' 0" 23' 7" 20' 7" 29' 2" 26' 6" 23' 2" i 200S ' 9" 27' " 23' 8" 33' 5" 30' 4" i 26' 6" i 27' " 24' 7" 2' 6" 30' 4" 27' 7" 24' " i 200S ' " 28' " 24' 7" 34' 9" 3' 7" i 27' 5" i 28' " 25' 6" 22' 4" 3' 7" 28' 8" 25' 0" i 200S ' 5" 27' 7" 24' 2" 34' 2" 3' 0" 27' " i 27' 7" 25' " 2' " 3' 0" 28' 2" 24' 7" 200S ' 8" 28' 9" 25' 2" 35' 7" 32' 4" 28' 3" i 28' 9" 26' 2" 22' 0" 32' 4" 29' 4" 25' 8" 200S ' " 29' " 26' " 36' " 33' 7" 29' 4" i 29' " 27' 2" 23' 9" 33' 7" 30' 6" 26' 8" 200S ' " 30' 0" 26' " 38' " 34' 7" 30' 3" i 30' 0" 28' 0" 24' 6" 34' 7" 3' 5" 27' 6" 200S ' 8" 32' 5" 28' 4" 40' " 36' 5" 3' 0" i 32' 5" 29' 6" 25' 9" 36' 5" 33' " 28' " 400S ' 2" e 22' 8" e 8' 6" e 24' 5" a 9' 0" a 4' 7" a 24' 9" e 22' 6" e 8' 6" e 24' 5" a 9' 0" a 4' 7" a 400S ' 2" e 23' 7" e 9' 3" e 24' " a 20' 2" a 4' 0" a 25' 9" e 23' 5" e 9' 3" e 24' " a 20' 2" a 4' 0" a 400S ' 0" e 24' 2" e 9' 7" e 25' 3" a 20' 5" a 4' " a 26' 2" e 23' 9" e 9' 7" e 25' 3" a 20' 5" a 4' " a 400S ' 9" e 27' " e 9' 7" e 26' 0" a 2' 7" a 5' 8" a 27' " e 25' 5" e 9' 7" e 26' 0" a 2' 7" a 5' 8" a 400S ' 8" 26' " 22' 0" e 3' " i 26' " i 22' 0" i 26' " 24' 6" 2' 5" e 30' 3" i 26' " i 22' 0" i 400S ' 0" 28' 0" 22' 0" e 32' 3" i 28' 0" i 22' 6" i 28' 0" 25' 6" 22' 3" e 3' 6" i 28' 0" i 22' 6" i 400S ' 8" 28' 7" 23' 4" e 33' " i 28' 7" i 22' 0" i 28' 9" 26' 2" 22' 0" e 32' 4" i 28' 7" i 22' 0" i 400S ' " 30' 0" e 26' " e 36' " i 3' " i 24' 5" a 30' 0" 28' 0" 24' 6" e 34' 7" i 3' 5" i 24' 5" a 400S ' 8" 30' 7" 26' 9" 37' 9" i 34' 4" i 28' 7" i 30' 7" 27' 9" 24' 3" 34' 4" 3' 2" i 27' 3" i 400S ' " 3' 9" 27' 8" 39' 2" i 35' 7" i 29' 8" i 3' 9" 28' 0" 25' 2" 35' 7" 32' 4" i 28' 3" i 400S ' 0" 32' 8" 28' 7" 40' 5" i 36' 8" i 30' 4" i 32' 8" 29' 8" 25' " 36' 8" 33' 4" i 29' " i 400S ' " 34' 6" 30' " 42' 7" i 38' 8" i 33' 5" i 34' 6" 3' 4" 27' 4" 38' 8" 35' 2" i 30' 9" i 400S ' 0" 32' 9" 28' 7" 40' 5" 36' 9" i 32' " i 32' 9" 29' 9" 26' 0" 36' 9" 33' 5" 29' 2" i 400S ' 4" 33' " 29' 8" 4' " 38' " i 33' 3" i 33' " 30' 0" 26' " 38' " 34' 7" 30' 3" i 400S ' 7" 35' 0" 30' 7" 43' 3" 39' 4" i 34' 4" i 35' 0" 3' 0" 27' 0" 39' 4" 35' 9" 3' 3" i 400S ' 4" 36' 8" 32' 0" 45' 4" 4' 2" i 36' 0" i 36' 8" 33' 4" 29' " 4' 2" 37' 5" 32' 8" i See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 79

82 Floor Joist Span Tables 0 psf Dead Load and 50 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 9" e 28' 4" e 23' 2" e 32' 9" a 28' 4" a 2' 6" a 29' 0" e 27' " e 23' 2" e 32' 9" a 28' 4" a 2' 6" a 600S ' " e 29' 6" e 24' " e 34' " a 29' 3" a 22' 0" a 3' 0" e 28' 2" e 24' " e 34' " a 29' 3" a 22' 0" a 600S ' 0" e 30' 4" e 24' 9" e 35' " a 29' 9" a 22' 4" a 3' 0" e 28' " e 24' 9" e 35' " a 29' 9" a 22' 4" a 600S ' " e 33' 6" e 27' 0" e 39' 0" a 3' 0" a 23' 8" a 33' 6" e 30' 5" e 26' 7" e 37' 8" a 3' 0" a 23' 8" a 600S ' 5" 34' 0" 29' 8" 42' 0" i 37' " i 30' 3" i 34' 0" 30' " 27' 0" 38' 2" i 34' 8" i 30' 3" i 600S ' 9" 35' 3" 30' 9" 43' 6" i 38' 7" i 3' 6" i 35' 3" 32' 0" 27' " 39' 6" i 35' " i 3' 5" i 600S ' " 36' 3" 3' 8" 44' 0" i 39' 8" i 32' 4" i 36' 3" 32' " 28' 9" 40' 8" i 37' 0" i 32' 4" i 600S ' 0" 38' 0" 33' 2" 46' " i 42' 8" i 35' 9" i 38' 0" 34' 6" 30' 2" 42' 8" i 38' 9" i 33' 0" i 600S ' 2" 36' 6" 3' 0" 45' " 4' 0" i 35' " i 36' 6" 33' 2" 29' 0" 4' 0" 37' 3" 32' 6" i 600S ' 6" 37' 9" 33' 0" 46' 7" 42' 4" i 36' 6" i 37' 9" 34' 3" 29' " 42' 4" 38' 6" 33' 7" i 600S ' 0" 38' " 34' 0" 48' " i 43' 8" i 37' 6" i 38' " 35' 4" 30' " 43' 8" 39' 8" 34' 8" i 600S ' 9" 40' 8" 35' 6" 50' 3" 45' 8" i 39' " i 40' 8" 36' " 32' 3" 45' 8" 4' 6" 36' 3" i 5 psf Dead Load and 25 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 9" e 5' 0" e 4' 7" e 6' 0" a 4' 0" a 3' 6" a 6' 9" e 5' 0" e 4' 7" e 6' 0" a 4' 0" a 3' 6" a 600S ' 2" e 6' 2" e 4' 7" e 6' 2" a 5' 0" a 3' 7" a 7' 2" e 6' 2" e 4' 7" e 6' 2" a 5' 0" a 3' 7" a 600S ' 0" e 7' 0" e 5' 8" e 8' 0" a 7' 0" a 5' 8" a 8' 0" e 7' 0" e 5' 8" e 8' 0" a 7' 0" a 5' 8" a 600S ' 7" e 7' 5" e 6' " e 8' 7" a 7' 5" a 5' " a 8' 7" e 7' 5" e 6' " e 8' 7" a 7' 5" a 5' " a 600S ' 9" e 7' 7" e 6' 3" e 8' 9" a 7' 7" a 6' 0" a 8' 9" e 7' 7" e 6' 3" e 8' 9" a 7' 7" a 6' 0" a 600S ' 0" 9' " 7' 7" e 0' 9" i 9' 4" i 7' 7" a 9' " 8' 3" 7' 3" e 0' 2" i 9' 3" i 7' 7" a 600S ' 6" 9' 7" 8' " e ' 5" i 9' " i 8' " a 9' 7" 8' 8" 7' 7" e 0' 9" i 9' 9" i 8' " a 600S ' 0" 9' " e 8' 3" e ' 8" i 0' 2" i 8' 3" a 9' " 9' " 7' " e ' 2" i 0' 2" i 8' 3" a 600S ' 9" 9' 9" 8' 6" 2' 0" i 0' 0" i 8' 0" i 9' 9" 8' 0" 7' 9" 0' " i 9' " i 8' 8" i 600S ' 3" 0' 3" 8' " 2' 8" i ' 6" i 9' 5" i 0' 3" 9' 4" 8' 2" ' 6" i 0' 5" i 9' 2" i 600S ' 0" 0' 9" 9' 5" 3' 3" i ' 0" i 9' 8" i 0' 9" 9' 9" 8' 6" 2' " i 0' " i 9' 7" i 600S ' " 0' 0" 9' 5" 3' 4" 2' " i 0' 7" i 0' 0" 9' 0" 8' 7" 2' " ' 0" 9' 7" i 600S ' 6" ' 4" 9' " 4' " 2' 9" i ' 2" i ' 4" 0' 4" 9' 0" 2' 9" ' 7" 0' 2" i 600S ' 2" ' " 0' 5" 4' 9" 3' 5" i ' 9" i ' " 0' 0" 9' 6" 3' 5" 2' 2" 0' 8" i 600S ' 7" ' 5" 0' 0" 4' " 2' 0" ' 2" i ' 5" 0' 4" 9' " 2' 0" ' 8" 0' 2" 600S ' 3" 2' 0" 0' 6" 4' 0" 3' 6" ' 0" i 2' 0" 0' " 9' 7" 3' 6" 2' 3" 0' 9" 600S ' " 2' 8" ' " 5' 8" 4' 2" 2' 5" i 2' 8" ' 6" 0' 0" 4' 2" 2' " ' 3" 800S ' 9" e 5' " e 3' 5" e 5' 5" a 4' " a 2' 8" a 6' 9" e 5' " e 3' 5" e 5' 5" a 4' " a 2' 8" a 800S ' 9" e 5' " e 3' 5" e 5' 5" a 4' " a 2' 8" a 6' 9" e 5' " e 3' 5" e 5' 5" a 4' " a 2' 8" a 800S ' 4" e 8' " e 6' 7" e 9' 0" a 7' 4" a 5' 5" a 9' 4" e 8' " e 6' 7" e 9' 0" a 7' 4" a 5' 5" a 800S ' 0" e 8' 8" e 7' " e 9' 4" a 7' 6" a 5' 7" a 0' 0" e 8' 8" e 7' " e 9' 4" a 7' 6" a 5' 7" a 800S ' 3" e 8' " e 7' 3" e 9' 6" a 7' 8" a 5' 8" a 0' 3" e 8' " e 7' 3" e 9' 6" a 7' 8" a 5' 8" a 800S ' 6" e 0' 0" e 8' 0" e 2' 6" i 0' 0" i 8' 8" a ' 4" 0' 4" e 8' 0" e 2' 6" i 0' 0" i 8' 8" a 800S ' 2" e ' 7" e 9' 5" e 3' 4" i ' 7" a 9' 0" a 2' 0" 0' " e 9' 5" e 3' 4" i ' 7" a 9' 0" a 800S ' 8" e ' 0" e 9' 8" e 3' 8" i ' 0" a 9' " a 2' 6" ' 4" e 9' 8" e 3' 8" i ' 0" a 9' " a 800S ' 6" 2' 3" 0' 4" e 4' 8" i 2' 8" i 0' 4" i 2' 3" ' 2" 9' 9" e 3' 0" i 2' 6" i 0' 4" i 800S ' 2" 2' " ' 0" e 5' 7" i 3' 6" i ' 0" a 2' " ' 8" 0' 3" e 4' 5" i 3' 2" i ' 0" a 800S ' 9" 3' 5" ' 4" e 6' 0" i 3' 0" i ' 4" a 3' 5" 2' 2" 0' 8" e 5' " i 3' 8" i ' 4" a 800S ' 0" 3' 8" ' " 6' " i 5' 4" i 3' " i 3' 8" 2' 5" 0' 0" 5' 4" 3' " i 2' 2" i 800S ' 9" 4' 4" 2' 6" 7' 8" i 6' " i 3' " i 4' 4" 3' 0" ' 4" 6' " 4' 7" i 2' 9" i 800S ' 6" 5' 0" 3' " 8' 6" i 6' 0" i 4' 4" i 5' 0" 3' 7" ' " 6' 0" 5' 3" i 3' 4" i 800S ' " 4' 5" 2' 7" 7' 0" 6' 3" i 4' 2" i 4' 5" 3' 2" ' 6" 6' 3" 4' 9" 2' " i 800S ' 8" 5' 2" 3' 3" 8' 9" 7' 0" i 4' " i 5' 2" 3' 9" 2' 0" 7' 0" 5' 6" 3' 6" i 800S ' 6" 5' 0" 3' 0" 9' 7" 7' 0" i 5' 7" i 5' 0" 4' 5" 2' 7" 7' 0" 6' 2" 4' 2" i 000S ' 4" e 8' " e 6' 0" e 8' 6" a 6' 9" a 4' 9" a 0' 4" e 8' " e 6' 0" e 8' 6" a 6' 9" a 4' 9" a 000S ' 2" e 8' " e 6' 0" e 8' 0" a 7' 0" a 4' 9" a ' 2" e 8' " e 6' 0" e 8' 0" a 7' 0" a 4' 9" a 000S ' 6" e 8' " e 6' 0" e 8' " a 7' " a 4' 9" a ' 6" e 8' " e 6' 0" e 8' " a 7' " a 4' 9" a See Allowable Floor Joist Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

83 Floor Joist Span Tables 5 psf Dead Load and 25 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 0" e 2' 0" e 9' 0" e 3' 7" i ' 2" a 8' 3" a 3' 6" e 2' 0" e 9' 0" e 3' 7" i ' 2" a 8' 3" a 000S ' " e 2' " e 0' 6" e 4' 3" a ' 7" a 8' 6" a 4' 2" e 2' 0" e 0' 6" e 4' 3" a ' 7" a 8' 6" a 000S ' 4" e 3' 3" e 0' 0" e 4' 6" a ' 9" a 8' 8" a 4' " e 3' 3" e 0' 0" e 4' 6" a ' 9" a 8' 8" a 000S ' " 4' 2" e ' 7" e 6' 5" i 4' 2" i ' 7" a 4' 8" 3' 4" ' 7" e 6' 5" i 4' 2" i ' 7" a 000S ' 0" 5' 2" e 2' 5" e 7' 6" i 5' 2" i 2' 5" a 5' 4" 3' " e 2' 2" e 7' 2" i 5' 2" i 2' 5" a 000S ' 8" 5' 7" e 2' 9" e 8' 0" i 5' 7" i 2' 9" a 6' 0" 4' 7" e 2' 9" e 8' 0" i 5' 7" i 2' 9" a 000S ' " 6' 5" 4' 4" 20' 4" i 8' 2" i 4' 0" i 6' 5" 4' " 3' " 8' 6" i 6' 9" i 4' 8" i 000S ' " 7' 2" 5' 0" 2' 3" i 9' 3" i 5' 0" i 7' 2" 5' 7" 3' 8" 9' 3" i 7' 6" i 5' 4" i 000S ' 8" 7' " 5' 8" 22' " i 9' " i 6' 3" i 7' " 6' 3" 4' 2" 20' " i 8' 3" i 5' " i 000S ' 2" 7' 5" 5' 3" 2' 6" i 9' 7" i 6' " i 7' 5" 5' 0" 3' 0" 9' 7" 7' 9" 5' 6" i 000S ' " 8' 3" 5' " 22' 6" 20' 5" i 7' 0" i 8' 3" 6' 7" 4' 6" 20' 5" 8' 7" 6' 3" i 000S ' " 9' 0" 6' 7" 23' 5" i 2' 4" i 8' 7" i 9' 0" 7' 3" 5' " 2' 4" 9' 4" i 6' " i 200S ' " e 2' " e 9' 0" e 3' 2" a 0' 7" a 7' 8" a 4' " e 2' " e 9' 0" e 3' 2" a 0' 7" a 7' 8" a 200S ' 2" e 4' 0" e 9' 0" e 3' 8" a ' 0" a 7' 0" a 6' 2" e 4' 0" e 9' 0" e 3' 8" a ' 0" a 7' 0" a 200S ' 8" e 4' 5" e 9' 0" e 3' 0" a ' " a 7' 0" a 6' 8" e 4' 5" e 9' 0" e 3' 0" a ' " a 7' 0" a 200S ' 9" e 5' 4" e 2' 7" e 7' 9" i 5' 4" i ' " a 6' " 5' 4" e 2' 7" e 7' 9" i 5' 4" i ' " a 200S ' " e 6' 6" e 3' 6" e 9' " i 6' 6" a 2' 6" a 7' 7" 6' 0" e 3' 6" e 9' " i 6' 6" a 2' 6" a 200S ' 9" e 7' " e 3' " e 9' 9" i 6' 0" a 2' 8" a 8' 4" e 6' 8" e 3' " e 9' 9" i 6' 0" a 2' 8" a 200S ' " 9' 2" 6' 3" 23' 0" i 9' " i 6' 3" i 9' 2" 7' 5" 5' 2" 2' 6" i 9' 6" i 6' 3" i 200S ' " 9' " 7' 5" e 24' 7" i 2' 4" i 7' 5" i 9' " 8' " 5' 0" 22' 4" i 20' 4" i 7' 5" i 200S ' 9" 20' 8" 8' 0" e 25' 5" i 22' 0" i 8' 0" i 20' 8" 8' 0" 6' 5" 23' 3" i 2' " i 8' 0" i 200S ' 5" 20' 4" 7' 9" 25' 2" i 22' 0" i 8' 9" i 20' 4" 8' 6" 6' 2" 22' 0" 20' 9" i 8' 2" i 200S ' 4" 2' 2" 8' 6" 26' 2" i 23' 0" i 9' " i 2' 2" 9' 3" 6' 0" 23' 0" 2' 8" i 8' " i 200S ' 3" 22' 0" 9' 3" 27' 3" i 24' 9" i 20' 8" i 22' 0" 20' 0" 7' 6" 24' 9" 22' 6" i 9' 7" i 200S ' 0" 22' 9" 9' 0" 28' " i 25' 6" i 2' " i 22' 9" 20' 8" 8' 0" 25' 6" i 23' 2" i 20' 3" i 200S ' 4" 23' " 20' 0" 29' 6" i 26' 0" i 23' " i 23' " 2' 8" 9' 0" 26' 0" 24' 4" i 2' 3" i 400S ' 0" e 2' 7" e 8' 5" e 2' " a 0' " a 6' 9" a 6' 0" e 2' 7" e 8' 5" e 2' " a 0' " a 6' 9" a 400S ' 0" e 2' 7" e 8' 5" e 3' " a 0' " a 6' 9" a 6' 0" e 2' 7" e 8' 5" e 3' " a 0' " a 6' 9" a 400S ' 0" e 2' 7" e 8' 5" e 3' 2" a 0' " a 6' 9" a 6' 0" e 2' 7" e 8' 5" e 3' 2" a 0' " a 6' 9" a 400S ' 0" e 2' 7" e 8' 5" e 3' 5" a 0' " a 6' 9" a 6' 0" e 2' 7" e 8' 5" e 3' 5" a 0' " a 6' 9" a 400S ' 4" e 7' 8" e 4' 5" e 9' 9" i 6' 2" a 2' 0" a 9' 0" e 7' 8" e 4' 5" e 9' 9" i 6' 2" a 2' 0" a 400S ' 2" e 8' 4" e 4' " e 20' 3" a 6' 6" a 2' 2" a 20' 8" e 8' 4" e 4' " e 20' 3" a 6' 6" a 2' 2" a 400S ' 8" e 8' 9" e 5' 4" e 20' 6" a 6' 8" a 2' 4" a 2' 2" e 8' 9" e 5' 4" e 20' 6" a 6' 8" a 2' 4" a 400S ' 2" e 20' " e 6' " e 2' 0" a 7' 8" a 2' " a 22' 9" e 20' 8" e 6' " e 2' 0" a 7' 8" a 2' " a 400S ' 0" 22' 6" 8' 9" e 26' 6" i 22' " i 8' 9" i 22' 6" 20' 6" 7' " e 25' 4" i 22' " i 8' 9" i 400S ' 9" 23' 4" 9' 5" e 27' 5" i 23' 9" i 9' 5" a 23' 4" 2' 3" 8' 7" e 26' 3" i 23' 9" i 9' 5" a 400S ' 6" 24' " 9' 0" e 28' " i 24' 4" i 9' 0" a 24' " 2' " 9' " e 27' 0" i 24' 4" i 9' 0" a 400S ' 0" 25' 5" e 2' " e 3' 0" i 26' 0" i 2' " a 25' 5" 23' " 20' 2" e 28' 6" i 25' " i 2' " a 400S ' 7" 24' " 2' " 29' 0" i 26' 5" i 2' 7" i 24' " 2' " 9' 2" 27' " i 24' 7" i 2' 6" i 400S ' 6" 25' 0" 2' 0" 30' " i 27' 5" i 22' 5" i 25' 0" 22' 8" 9' 0" 28' " i 25' 6" i 22' 3" i 400S ' 5" 25' 0" 22' 7" 3' " i 28' " i 22' " i 25' 0" 23' 5" 20' 6" 29' 0" i 26' 4" i 22' " i 400S ' 9" 27' 0" 23' 7" 33' 5" i 30' 4" i 25' " i 27' 0" 24' 7" 2' 5" 30' 4" i 27' 7" i 24' " i 600S ' 5" e 8' 7" e 4' 9" e 9' 3" a 5' 6" a ' 4" a 2' 5" e 8' 7" e 4' 9" e 9' 3" a 5' 6" a ' 4" a 600S ' 4" e 9' 4" e 4' 9" e 9' 8" a 5' 0" a ' 6" a 22' 4" e 9' 4" e 4' 9" e 9' 8" a 5' 0" a ' 6" a 600S ' " e 9' 0" e 4' 9" e 9' " a 6' " a ' 8" a 22' " e 9' 0" e 4' 9" e 9' " a 6' " a ' 8" a 600S ' 9" e 22' " e 4' 9" e 2' " a 6' " a ' 9" a 24' 8" e 22' " e 4' 9" e 2' " a 6' " a ' 9" a 600S ' 7" 24' 3" e 9' 0" e 28' 0" i 24' 3" i 9' 0" a 25' " 22' 9" 9' 0" e 28' 0" i 24' 3" i 9' 0" a 600S ' 7" 25' 3" e 20' 8" e 29' 2" i 25' 3" i 20' 8" a 25' " 23' 7" 20' 7" e 29' 2" i 25' 3" i 20' 8" a 600S ' 5" 25' " e 2' 2" e 29' " i 25' " i 2' 2" a 26' 9" 24' 3" e 2' 2" e 29' " i 25' " i 2' 2" a 600S ' 0" 28' 0" e 23' 5" e 33' 2" i 28' 8" a 23' 5" a 28' 0" 25' 5" e 22' 3" e 3' 5" i 28' 7" a 23' 5" a 600S ' 7" 26' " 23' 0" 32' 6" i 28' 2" i 23' 0" i 26' " 24' 5" 2' 4" 30' 2" i 27' 5" i 23' 0" i 600S ' 7" 27' 0" 23' " e 33' 0" i 29' 3" i 23' " i 27' 0" 25' 3" 22' " 3' 3" i 28' 4" i 23' " i 600S ' 7" 28' 8" 24' 7" e 34' 9" i 30' " i 24' 7" i 28' 8" 26' " 22' 9" 32' 2" i 29' 3" i 24' 7" i 600S ' 0" 30' 0" 26' 2" e 37' 0" i 33' 0" i 26' " a 30' 0" 27' 3" 23' 9" e 33' 8" i 30' 7" i 26' 8" i See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 8

84 Floor Joist Span Tables 40 psf Dead Load and 25 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 2" e 5' 4" e 3' 0" e 5' 3" a 4' 3" a 3' " a 6' 2" e 5' 4" e 3' 0" e 5' 3" a 4' 3" a 3' " a 600S ' 7" e 5' 9" e 3' 0" e 5' 6" a 4' 4" a 3' " a 6' 7" e 5' 9" e 3' 0" e 5' 6" a 4' 4" a 3' " a 600S ' 5" e 6' 5" e 5' 3" e 7' 5" a 6' 5" a 5' 0" a 7' 5" e 6' 5" e 5' 3" e 7' 5" a 6' 5" a 5' 0" a 600S ' " e 6' 0" e 5' 7" e 7' " a 6' 0" a 5' 3" a 7' " e 6' 0" e 5' 7" e 7' " a 6' 0" a 5' 3" a 600S ' " e 7' 0" e 5' 9" e 8' " a 7' 0" a 5' 4" a 8' " e 7' 0" e 5' 9" e 8' " a 7' 0" a 5' 4" a 600S ' " 8' 7" e 7' 0" e 9' " i 8' 7" i 7' 0" a 9' " 8' 3" 7' 0" e 9' " i 8' 7" i 7' 0" a 600S ' 6" 9' " e 7' 5" e 0' 6" i 9' " i 7' 5" a 9' 7" 8' 8" e 7' 5" e 0' 6" i 9' " i 7' 5" a 600S ' 9" 9' 4" e 7' 7" e 0' 9" i 9' 4" i 7' 7" a 9' " 9' " e 7' 7" e 0' 9" i 9' 4" i 7' 7" a 600S ' 9" 9' 9" 8' 2" ' 6" i 0' 0" i 8' 2" i 9' 9" 8' 0" 7' 9" 0' " i 9' " i 8' 2" i 600S ' 3" 0' 3" 8' 8" e 2' 3" i 0' 7" i 8' 8" i 0' 3" 9' 4" 8' 2" ' 6" i 0' 5" i 8' 8" i 600S ' 0" 0' 9" 8' " e 2' 7" i 0' " i 8' " i 0' 9" 9' 9" 8' 6" e 2' " i 0' " i 8' " i 600S ' " 0' 0" 9' 5" 3' 4" i 2' " i 9' 0" i 0' 0" 9' 0" 8' 7" 2' " ' 0" i 9' 7" i 600S ' 6" ' 4" 9' " 4' " i 2' 9" i 0' 8" i ' 4" 0' 4" 9' 0" 2' 9" ' 7" i 0' 2" i 600S ' 2" ' " 0' 5" 4' 9" i 3' 5" i ' 2" i ' " 0' 0" 9' 6" 3' 5" 2' 2" i 0' 8" i 600S ' 7" ' 5" 0' 0" 4' " 2' 0" i 0' 8" i ' 5" 0' 4" 9' " 2' 0" ' 8" 0' 2" i 600S ' 3" 2' 0" 0' 6" 4' 0" 3' 6" i ' 7" i 2' 0" 0' " 9' 7" 3' 6" 2' 3" 0' 9" i 600S ' " 2' 8" ' " 5' 8" 4' 2" i 2' 5" i 2' 8" ' 6" 0' 0" 4' 2" 2' " ' 3" i 800S ' 9" e 4' 4" e 2' 0" e 4' 7" a 3' 5" a 2' 4" a 5' 9" e 4' 4" e 2' 0" e 4' 7" a 3' 5" a 2' 4" a 800S ' 9" e 4' 4" e 2' 0" e 4' 7" a 3' 5" a 2' 4" a 5' 9" e 4' 4" e 2' 0" e 4' 7" a 3' 5" a 2' 4" a 800S ' 7" e 7' 5" e 6' " e 8' 0" a 6' 5" a 4' 9" a 8' 7" e 7' 5" e 6' " e 8' 0" a 6' 5" a 4' 9" a 800S ' 3" e 8' 0" e 6' 4" e 8' 3" a 6' 8" a 4' " a 9' 3" e 8' 0" e 6' 4" e 8' 3" a 6' 8" a 4' " a 800S ' 5" e 8' 2" e 6' 4" e 8' 5" a 6' 9" a 4' " a 9' 5" e 8' 2" e 6' 4" e 8' 5" a 6' 9" a 4' " a 800S ' 6" e 0' 0" e 8' 2" e ' 6" i 0' 0" a 7' 8" a ' 4" e 0' 0" e 8' 2" e ' 6" i 0' 0" a 7' 8" a 800S ' 3" e 0' 8" e 8' 8" e 2' 3" i 0' 8" a 8' 0" a 2' 0" e 0' 8" e 8' 8" e 2' 3" i 0' 8" a 8' 0" a 800S ' 7" e 0' " e 8' " e 2' 7" a 0' 9" a 8' " a 2' 6" e 0' " e 8' " e 2' 7" a 0' 9" a 8' " a 800S ' 6" ' 8" 9' 7" e 3' 6" i ' 8" i 9' 7" a 2' 3" ' 2" 9' 7" e 3' 6" i ' 8" i 9' 7" a 800S ' 2" 2' 5" e 0' 2" e 4' 4" i 2' 5" i 0' 2" a 2' " ' 8" 0' 2" e 4' 4" i 2' 5" i 0' 2" a 800S ' 9" 2' 9" e 0' 5" e 4' 9" i 2' 9" i 0' 5" a 3' 5" 2' 2" e 0' 5" e 4' 9" i 2' 9" i 0' 5" a 800S ' 0" 3' 8" ' " 6' " i 4' 9" i 2' " i 3' 8" 2' 5" 0' 0" 5' 4" i 3' " i 2' " i 800S ' 9" 4' 4" 2' 6" 7' 8" i 5' 8" i 2' 0" i 4' 4" 3' 0" ' 4" 6' " i 4' 7" i 2' 9" i 800S ' 6" 5' 0" 3' " 8' 6" i 6' 2" i 3' 2" i 5' 0" 3' 7" ' " 6' 0" i 5' 3" i 3' 2" i 800S ' " 4' 5" 2' 7" 7' 0" i 6' 2" i 3' 2" i 4' 5" 3' 2" ' 6" 6' 3" 4' 9" i 2' " i 800S ' 8" 5' 2" 3' 3" 8' 9" i 7' 0" i 4' 2" i 5' 2" 3' 9" 2' 0" 7' 0" 5' 6" i 3' 6" i 800S ' 6" 5' 0" 3' 0" 9' 7" i 7' 0" i 5' 0" i 5' 0" 4' 5" 2' 7" 7' 0" 6' 2" i 4' 2" i 000S ' 6" e 7' 7" e 5' " e 7' 6" a 5' " a 4' " a 9' 6" e 7' 7" e 5' " e 7' 6" a 5' " a 4' " a 000S ' 2" e 7' 7" e 5' " e 7' 9" a 6' " a 4' " a 0' 2" e 7' 7" e 5' " e 7' 9" a 6' " a 4' " a 000S ' 2" e 7' 7" e 5' " e 7' 0" a 6' " a 4' " a 0' 2" e 7' 7" e 5' " e 7' 0" a 6' " a 4' " a 000S ' 9" e ' " e 9' 0" e 2' 2" a 9' " a 7' 4" a 2' 9" e ' " e 9' 0" e 2' 2" a 9' " a 7' 4" a 000S ' 9" e ' " e 9' 8" e 2' 8" a 0' 3" a 7' 6" a 3' 9" e ' " e 9' 8" e 2' 8" a 0' 3" a 7' 6" a 000S ' " e 2' 3" e 0' 0" e 2' 0" a 0' 5" a 7' 7" a 4' " e 2' 3" e 0' 0" e 2' 0" a 0' 5" a 7' 7" a 000S ' " 3' " e 0' 8" e 5' " i 3' " i 0' 8" a 4' 8" 3' " e 0' 8" e 5' " i 3' " i 0' 8" a 000S ' 2" e 4' 0" e ' 5" e 6' 2" i 4' 0" a ' 5" a 5' 4" 3' " e ' 5" e 6' 2" i 4' 0" a ' 5" a 000S ' 7" e 4' 4" e ' 9" e 6' 7" i 4' 4" a ' 7" a 6' 0" e 4' 4" e ' 9" e 6' 7" i 4' 4" a ' 7" a 000S ' " 6' 5" 3' 8" 9' 4" i 6' 9" i 3' 8" i 6' 5" 4' " 3' " 8' 6" i 6' 9" i 3' 8" i 000S ' " 7' 2" 4' 7" 20' 7" i 7' 0" i 4' 7" i 7' 2" 5' 7" 3' 8" 9' 3" i 7' 6" i 4' 7" i 000S ' 8" 7' " 5' 0" e 2' 2" i 8' 4" i 5' 0" i 7' " 6' 3" 4' 2" 20' " i 8' 3" i 5' 0" i 000S ' 2" 7' 5" 5' 3" 2' 6" i 9' " i 5' 7" i 7' 5" 5' 0" 3' 0" 9' 7" i 7' 9" i 5' 6" i 000S ' " 8' 3" 5' " 22' 6" i 20' 3" i 6' 7" i 8' 3" 6' 7" 4' 6" 20' 5" i 8' 7" i 6' 3" i 000S ' " 9' 0" 6' 7" 23' 5" i 2' 0" i 7' 2" i 9' 0" 7' 3" 5' " 2' 4" i 9' 4" i 6' " i 200S ' 9" e ' " e 8' 4" e ' 7" a 9' 4" a 6' 8" a 3' 9" e ' " e 8' 4" e ' 7" a 9' 4" a 6' 8" a 200S ' " e 2' 6" e 8' 4" e 2' " a 9' 8" a 6' 8" a 4' " e 2' 6" e 8' 4" e 2' " a 9' 8" a 6' 8" a 200S ' 4" e 2' 6" e 8' 4" e 2' 3" a 9' 9" a 6' 8" a 5' 4" e 2' 6" e 8' 4" e 2' 3" a 9' 9" a 6' 8" a 200S ' 4" e 4' 2" e ' 7" e 6' 4" i 4' " a 0' 7" a 6' 4" e 4' 2" e ' 7" e 6' 4" i 4' " a 0' 7" a 200S ' 7" e 5' 3" e 2' 5" e 7' 7" i 4' 9" a ' " a 7' 7" e 5' 3" e 2' 5" e 7' 7" i 4' 9" a ' " a 200S ' 2" e 5' 9" e 2' 0" e 8' 2" a 5' " a ' 3" a 8' 2" e 5' 9" e 2' 0" e 8' 2" a 5' " a ' 3" a 200S ' " 8' 4" 5' 0" e 2' 3" i 8' 4" i 5' 0" i 9' 2" 7' 5" 5' 0" e 2' 3" i 8' 4" i 5' 0" i 200S ' " 9' 7" 6' 0" e 22' 8" i 9' 7" i 6' 0" i 9' " 8' " 5' 0" e 22' 4" i 9' 7" i 6' 0" i 200S ' 9" 20' 3" 6' 7" e 23' 5" i 20' 3" i 6' 7" i 20' 8" 8' 0" 6' 5" e 23' 3" i 20' 3" i 6' 7" i See Allowable Floor Joist Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

85 Floor Joist Span Tables 40 psf Dead Load and 25 psf Live Load Live Load Deflection L/360 Live Load Deflection L/480 Single Span Two Equal Spans Single Span Two Equal Spans Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. Fy Member (ksi) S ' 5" 20' 4" 7' 3" 24' 5" i 2' 2" i 7' 3" i 20' 4" 8' 6" 6' 2" 22' 0" i 20' 9" i 7' 3" i 200S ' 4" 2' 2" 8' 4" 26' 0" i 22' 6" i 8' 4" i 2' 2" 9' 3" 6' 0" 23' 0" i 2' 8" i 8' 4" i 200S ' 3" 22' 0" 9' 0" 26' 0" i 23' 3" i 9' 0" i 22' 0" 20' 0" 7' 6" 24' 9" i 22' 6" i 9' 0" i 200S ' 0" 22' 9" 9' 5" 27' 6" i 23' 0" i 9' 5" i 22' 9" 20' 8" 8' 0" 25' 6" i 23' 2" i 9' 5" i 200S ' 4" 23' " 20' 0" e 29' 6" i 26' 0" i 2' 3" i 23' " 2' 8" 9' 0" 26' 0" i 24' 4" i 2' 3" i 400S ' 3" e 0' 8" e 7' 2" e ' 3" a 8' 7" a 5' 8" a 4' 3" e 0' 8" e 7' 2" e ' 3" a 8' 7" a 5' 8" a 400S ' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 4' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 400S ' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 4' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 400S ' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 4' 3" e 0' 8" e 7' 2" e ' 5" a 8' 7" a 5' 8" a 400S ' 9" e 6' 3" e 3' 3" e 7' 8" a 4' 4" a 0' 7" a 8' 9" e 6' 3" e 3' 3" e 7' 8" a 4' 4" a 0' 7" a 400S ' 6" e 6' 0" e 3' 9" e 8' 0" a 4' 7" a 0' 9" a 9' 6" e 6' 0" e 3' 9" e 8' 0" a 4' 7" a 0' 9" a 400S ' " e 7' 3" e 4' " e 8' 3" a 4' 9" a 0' 0" a 9' " e 7' 3" e 4' " e 8' 3" a 4' 9" a 0' 0" a 400S ' 3" e 9' 3" e 4' 4" e 9' 4" a 5' 7" a ' 4" a 22' 3" e 9' 3" e 4' 4" e 9' 4" a 5' 7" a ' 4" a 400S ' 5" 2' " e 7' 3" e 24' 5" i 2' " i 7' 3" a 22' 6" 20' 6" 7' 3" e 24' 5" i 2' " i 7' 3" a 400S ' 3" 2' " e 7' 0" e 25' 3" i 2' " i 7' 0" a 23' 4" 2' 3" e 7' 0" e 25' 3" i 2' " i 7' 0" a 400S ' 0" 22' 5" e 8' 3" e 25' 0" i 22' 5" i 8' 3" a 24' " 2' " e 8' 3" e 25' 0" i 22' 5" i 8' 3" a 400S ' 0" e 24' 8" e 20' 2" e 28' 6" i 24' 8" i 20' 2" a 25' 5" 23' " e 20' 2" e 28' 6" i 24' 8" i 20' 2" a 400S ' 7" 24' " 9' " 28' " i 24' 4" i 9' " i 24' " 2' " 9' 2" 27' " i 24' 4" i 9' " i 400S ' 6" 25' 0" 20' 7" e 29' 2" i 25' 3" i 20' 7" i 25' 0" 22' 8" 9' 0" 28' " i 25' 3" i 20' 7" i 400S ' 5" 25' 0" 2' 2" e 29' " i 25' 0" i 2' 2" i 25' 0" 23' 5" 20' 6" e 29' 0" i 25' 0" i 2' 2" i 400S ' 9" 27' 0" 23' " e 32' 8" i 28' 4" i 23' " i 27' 0" 24' 7" 2' 5" e 30' 4" i 27' 7" i 23' " i 600S ' 9" e 7' " e 2' 6" e 7' 0" a 3' 8" a 9' " a 9' 9" e 7' " e 2' 6" e 7' 0" a 3' 8" a 9' " a 600S ' 7" e 7' 0" e 2' 6" e 7' 4" a 3' " a 0' 0" a 20' 7" e 7' 0" e 2' 6" e 7' 4" a 3' " a 0' 0" a 600S ' 2" e 8' 4" e 2' 6" e 7' 7" a 4' " a 0' 0" a 2' 2" e 8' 4" e 2' 6" e 7' 7" a 4' " a 0' 0" a 600S ' 8" e 8' 9" e 2' 6" e 8' 7" a 4' 9" a 0' 0" a 23' 8" e 8' 9" e 2' 6" e 8' 7" a 4' 9" a 0' 0" a 600S ' 0" 22' 4" e 8' 3" e 25' 0" i 22' 4" i 8' 3" a 25' " 22' 4" e 8' 3" e 25' 0" i 22' 4" i 8' 3" a 600S ' 0" 23' 3" e 9' 0" e 26' 0" i 23' 3" i 9' 0" a 25' " 23' 3" e 9' 0" e 26' 0" i 23' 3" i 9' 0" a 600S ' 7" e 23' " e 9' 6" e 27' 7" i 23' " i 9' 6" a 26' 9" 23' " e 9' 6" e 27' 7" i 23' " i 9' 6" a 600S ' 6" e 26' 5" e 2' 7" e 30' 6" i 26' 5" a 2' 2" a 28' 0" e 25' 5" e 2' 7" e 30' 6" i 26' 5" a 2' 2" a 600S ' 7" 25' " 2' 2" e 29' " i 25' " i 2' 2" i 26' " 24' 5" 2' 2" e 29' " i 25' " i 2' 2" i 600S ' 7" 27' 0" 22' 0" e 3' 2" i 27' 0" i 22' 0" i 27' 0" 25' 3" 22' 0" e 3' 2" i 27' 0" i 22' 0" i 600S ' 7" 27' 9" 22' 8" e 32' 0" i 27' 9" i 22' 8" i 28' 8" 26' " 22' 8" e 32' 0" i 27' 9" i 22' 8" i 600S ' 0" 30' 0" e 24' 0" e 35' " i 30' 5" i 24' 0" a 30' 0" 27' 3" 23' 9" e 33' 8" i 30' 5" i 24' 0" a See Allowable Floor Joist Span Table Notes on page 72. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 83

86 Header Load Tables Header Load Table Notes. Calculated properties are based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. Allowable deflection limit is L/ Allowable capacities have not been modified for wind or earthquake loading. 4. Headers are made from two boxed or back-to-back I members. 5. Allowable moment, shear and web crippling capacities are based upon twice the capacity of a single member. The moment of inertia is based upon twice the value of the single member. 6. Minimum bearing length for web crippling = -inch. 7. Capacities are calculated for unpunched members only. 8. Members are assumed to be adequately braced for bending. 9. Allowable loads are for simply supported headers with uniform bending loads only. 0. Where allowable loads are followed by e, web stiffeners are required at each support Boxed Header Back-to-Back I Header 84 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

87 Header Load Tables Header Allowable Uniform Loads (lb/ft) Yield, SPAN Member F y, ksi 3 (ft) 4 (ft) 5 (ft) 6 (ft) 8 (ft) 0 (ft) 2 (ft) 550S e 699 e 460 e 320 e 80 e 5 e 74 e 550S e 026 e 657 e 456 e 257 e 64 e 95 e 550S e 370 e 877 e 609 e 342 e 203 e 8 550S e 833 e 73 e 85 e 397 e S e 73 e 097 e 762 e 428 e 250 e S e 2466 e 578 e 096 e 489 e S e 638 e 437 e 303 e 7 e 09 e 76 e 600S e 638 e 505 e 35 e 97 e 26 e 88 e 600S e 638 e 50 e 399 e 224 e 44 e 00 e 600S e 985 e 63 e 438 e 246 e 58 e 03 e 600S e 30 e 723 e 502 e 283 e 8 e 7 e 600S e 283 e 82 e 570 e 32 e 205 e 36 e 600S e 35 e 865 e 600 e 338 e 26 e 50 e 600S e 330 e 85 e 59 e 332 e 23 e S e 77 e 33 e 787 e 430 e S e 56 e 970 e 674 e 379 e 243 e 45 e 600S e 694 e 084 e 753 e 424 e 250 e S e 720 e 0 e 764 e 430 e 275 e 68 e 600S e 2283 e 46 e 05 e 567 e 290 e S e 825 e 68 e 8 e 456 e 292 e 93 e 600S e 2394 e 532 e 064 e 598 e 329 e S e 699 e 087 e 755 e 425 e 270 e S e 2409 e 542 e 07 e 528 e S e 935 e 238 e 860 e 484 e 308 e S e 2730 e 747 e 23 e 602 e S e 225 e 44 e 000 e 563 e 358 e 207 e 600S e 3084 e 974 e 37 e 700 e S e 2453 e 570 e 090 e 63 e 393 e 239 e 600S e 3257 e 2085 e 448 e 806 e 43 e S e 2299 e 472 e 022 e S e 3484 e 2230 e 548 e S e 2634 e 686 e 7 e 658 e S e 3990 e 2554 e 774 e S e 308 e 972 e 369 e 770 e 49 e S e 4668 e 2987 e 2075 e 958 e S e 3566 e 2282 e 585 e 892 e 568 e S e 533 e 3285 e 228 e 09 e S e 303 e 986 e 379 e S e 4702 e 3009 e 2090 e S e 3646 e 2334 e 620 e 92 e S e 5524 e 3536 e 2455 e S e 4235 e 270 e 882 e 059 e 674 e S e 6367 e 4075 e 2830 e 37 e See Header Load Table Notes on page 84. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 85

88 Header Load Tables Member Yield, F y, ksi Header Allowable Uniform Loads (lb/ft) SPAN 3 (ft) 4 (ft) 5 (ft) 6 (ft) 8 (ft) 0 (ft) 2 (ft) 800S e 474 e 379 e 36 e 223 e 43 e 99 e 800S e 474 e 379 e 36 e 237 e 68 e 7 e 800S e 474 e 379 e 36 e 237 e 90 e 35 e 800S e 05 e 84 e 585 e 329 e 20 e 46 e 800S e 05 e 84 e 679 e 382 e 244 e 70 e 800S e 05 e 84 e 70 e 437 e 280 e 94 e 800S e 05 e 84 e 70 e 460 e 294 e 204 e 800S e 83 e 60 e 806 e 453 e 290 e 20 e 800S e 209 e 59 e 055 e 593 e 380 e 252 e 800S e 2083 e 333 e 926 e 52 e 333 e 23 e 800S e 209 e 673 e 26 e 684 e 438 e 283 e 800S e 209 e 59 e 055 e 593 e 380 e 264 e 800S e 209 e 673 e 385 e 779 e 498 e 332 e 800S e 209 e 604 e 4 e 627 e 40 e 278 e 800S e 209 e 673 e 394 e 86 e 522 e 362 e 800S e 248 e 588 e 03 e 620 e 397 e 276 e 800S e 3300 e 22 e 467 e 825 e 528 e 38 e 800S e 282 e 806 e 254 e 705 e 45 e 33 e 800S e 376 e 2407 e 672 e 940 e 602 e 358 e 800S e 3204 e 2050 e 424 e 80 e 53 e 356 e 800S e 422 e 2728 e 894 e 065 e 682 e 42 e 800S e 3406 e 280 e 54 e 85 e 545 e 378 e 800S e 422 e 2868 e 992 e 20 e 77 e 467 e 800S e 3540 e 2265 e 573 e 885 e 566 e 393 e 800S e 5329 e 34 e 2369 e 332 e 752 e S e 3999 e 2559 e 777 e 000 e 640 e 444 e 800S e 5998 e 3839 e 2666 e 500 e 849 e S e 463 e 2952 e 2050 e 53 e 738 e 53 e 800S e 6766 e 4330 e 3007 e 692 e 979 e S e 5265 e 3370 e 2340 e 36 e 842 e 585 e 800S e 796 e 4606 e 398 e 799 e 8 e 647 e 800S e 4737 e 303 e 205 e 84 e 758 e S e 777 e 4593 e 390 e 794 e 006 e S e 5482 e 3509 e 2437 e 37 e 877 e 609 e 800S e 8307 e 536 e 3692 e 2077 e 64 e S e 6275 e 406 e 2789 e 569 e 004 e 697 e 800S e 9279 e 5938 e 424 e 2320 e 332 e S e 836 e 669 e 557 e 398 e 255 e 77 e 000S e 836 e 669 e 557 e 48 e 300 e 208 e 000S e 836 e 669 e 557 e 48 e 334 e 242 e 000S e 836 e 669 e 557 e 48 e 334 e 256 e 000S e 66 e 329 e 992 e 558 e 357 e 248 e 000S e 66 e 329 e 07 e 722 e 462 e 32 e 000S e 66 e 329 e 07 e 648 e 45 e 288 e 000S e 66 e 329 e 07 e 830 e 539 e 374 e 000S e 66 e 329 e 07 e 748 e 478 e 332 e 000S e 66 e 329 e 07 e 830 e 622 e 432 e 000S e 66 e 329 e 07 e 793 e 507 e 352 e 000S e 66 e 329 e 07 e 830 e 656 e 455 e 000S e 32 e 997 e 387 e 780 e 499 e 347 e 000S e 3345 e 263 e 85 e 02 e 653 e 454 e 000S e 3345 e 2290 e 590 e 894 e 572 e 398 e 000S e 3345 e 2676 e 2088 e 75 e 752 e 522 e 000S e 3345 e 268 e 88 e 023 e 655 e 455 e 000S e 3345 e 2676 e 2230 e 344 e 860 e 598 e 000S e 3345 e 2676 e 934 e 088 e 696 e 483 e 000S e 3345 e 2676 e 2230 e 420 e 909 e 63 e 000S e 5004 e 3202 e 2224 e 25 e 80 e 556 e 000S e 682 e 4365 e 3032 e 705 e 09 e 758 e 000S e 5588 e 3576 e 2484 e 397 e 894 e 62 e 000S e 778 e 4939 e 3430 e 929 e 235 e 858 e 000S e 6368 e 4076 e 2830 e 592 e 09 e 708 e 000S e 8732 e 5589 e 388 e 283 e 397 e 970 e 000S e 6957 e 4453 e 3092 e 739 e 3 e 773 e 000S e 9276 e 5937 e 423 e 239 e 484 e 03 e See Header Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

89 Header Load Tables Member Yield, F y, ksi Header Allowable Uniform Loads (lb/ft) SPAN 3 (ft) 4 (ft) 5 (ft) 6 (ft) 8 (ft) 0 (ft) 2 (ft) 000S e 6643 e 4252 e 2952 e 66 e 063 e 738 e 000S e 0034 e 6422 e 4460 e 2509 e 606 e 020 e 000S e 7593 e 4859 e 3374 e 898 e 25 e 844 e 000S e 38 e 7244 e 5030 e 2830 e 8 e 66 e 000S e 8590 e 5498 e 388 e 247 e 374 e 954 e 000S e 203 e 7746 e 5379 e 3026 e 937 e 39 e 200S e 377 e 02 e 98 e 647 e 44 e 288 e 200S e 377 e 02 e 98 e 689 e 530 e 368 e 200S e 377 e 02 e 98 e 689 e 485 e 337 e 200S e 377 e 02 e 98 e 689 e 55 e 433 e 200S e 377 e 02 e 98 e 689 e 55 e 393 e 200S e 377 e 02 e 98 e 689 e 55 e 459 e 200S e 377 e 02 e 98 e 689 e 55 e 42 e 200S e 377 e 02 e 98 e 689 e 55 e 459 e 200S e 277 e 227 e 634 e 99 e 588 e 409 e 200S e 277 e 227 e 847 e 88 e 760 e 528 e 200S e 277 e 227 e 847 e 062 e 680 e 472 e 200S e 277 e 227 e 847 e 379 e 882 e 63 e 200S e 277 e 227 e 847 e 226 e 785 e 545 e 200S e 277 e 227 e 847 e 385 e 02 e 709 e 200S e 277 e 227 e 847 e 32 e 840 e 583 e 200S e 277 e 227 e 847 e 385 e 088 e 756 e 200S e 666 e 3946 e 2740 e 54 e 987 e 685 e 200S e 847 e 526 e 3622 e 2038 e 304 e 906 e 200S e 6993 e 4475 e 308 e 748 e 9 e 777 e 200S e 847 e 5940 e 425 e 2320 e 485 e 03 e 200S e 7957 e 5093 e 3537 e 989 e 273 e 884 e 200S e 847 e 658 e 4702 e 2645 e 693 e 75 e 200S e 847 e 547 e 3799 e 237 e 368 e 950 e 200S e 847 e 658 e 507 e 2822 e 806 e 254 e 200S e 8823 e 5646 e 392 e 2206 e 42 e 980 e 200S e 2278 e 7858 e 5457 e 3069 e 964 e 364 e 200S e 9976 e 6385 e 4434 e 2494 e 596 e 08 e 200S e 3909 e 8902 e 682 e 3477 e 2225 e 545 e 200S e 05 e 707 e 4935 e 2776 e 777 e 234 e 200S e 4889 e 9529 e 668 e 3722 e 2382 e 654 e 200S e 724 e 7504 e 52 e 293 e 876 e 303 e 200S e 4986 e 9964 e 6920 e 3892 e 249 e 730 e 200S e 389 e 896 e 69 e 3483 e 2229 e 548 e 200S e 4986 e 909 e 8270 e 4652 e 2977 e 2067 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 77 e 94 e 784 e 588 e 47 e 392 e 400S e 2365 e 892 e 576 e 82 e 90 e 625 e 400S e 2365 e 892 e 576 e 82 e 946 e 788 e 400S e 2365 e 892 e 576 e 82 e 946 e 675 e 400S e 2365 e 892 e 576 e 82 e 946 e 788 e 400S e 2365 e 892 e 576 e 82 e 946 e 709 e 400S e 2365 e 892 e 576 e 82 e 946 e 788 e 400S e 2365 e 892 e 576 e 82 e 946 e 788 e 400S e 2365 e 892 e 576 e 82 e 946 e 788 e 400S e 6939 e 555 e 446 e 2332 e 493 e 036 e 400S e 6939 e 555 e 4626 e 3064 e 96 e 362 e 400S e 6939 e 555 e 447 e 255 e 60 e 8 e 400S e 6939 e 555 e 4626 e 3292 e 207 e 463 e 400S e 6939 e 555 e 4626 e 2647 e 694 e 77 e See Header Load Table Notes on page 84. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 87

90 Header Load Tables Member Yield, F y, ksi Header Allowable Uniform Loads (lb/ft) SPAN 3 (ft) 4 (ft) 5 (ft) 6 (ft) 8 (ft) 0 (ft) 2 (ft) 400S e 6939 e 555 e 4626 e 3449 e 2207 e 533 e 400S e 6939 e 555 e 4626 e 399 e 2047 e 422 e 400S e 6939 e 555 e 4626 e 3470 e 2685 e 864 e 400S e 2233 e 7829 e 5437 e 3058 e 957 e 359 e 400S e 2745 e 096 e 7250 e 4078 e 260 e 83 e 400S e 2745 e 8464 e 5878 e 3306 e 26 e 470 e 400S e 2745 e 096 e 7798 e 4387 e 2807 e 950 e 400S e 2745 e 8940 e 6208 e 3492 e 2235 e 552 e 400S e 2745 e 096 e 883 e 4603 e 2946 e 2046 e 400S e 2745 e 096 e 7392 e 458 e 266 e 848 e 400S e 2745 e 096 e 8497 e 554 e 3529 e 245 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 2062 e 650 e 375 e 03 e 825 e 687 e 600S e 6043 e 4835 e 4029 e 2643 e 692 e 75 e 600S e 6043 e 4835 e 4029 e 3022 e 220 e 529 e 600S e 6043 e 4835 e 4029 e 2866 e 834 e 274 e 600S e 6043 e 4835 e 4029 e 3022 e 2383 e 655 e 600S e 6043 e 4835 e 4029 e 3022 e 940 e 347 e 600S e 6043 e 4835 e 4029 e 3022 e 247 e 745 e 600S e 6043 e 4835 e 4029 e 3022 e 2357 e 636 e 600S e 6043 e 4835 e 4029 e 3022 e 247 e 204 e 600S e 088 e 8870 e 624 e 350 e 2247 e 560 e 600S e 088 e 8870 e 7392 e 4625 e 2960 e 2056 e 600S e 088 e 8870 e 6769 e 3808 e 2437 e 692 e 600S e 088 e 8870 e 7392 e 5005 e 3203 e 2224 e 600S e 088 e 8870 e 770 e 4033 e 258 e 792 e 600S e 088 e 8870 e 7392 e 5279 e 3379 e 2346 e 600S e 088 e 8870 e 7392 e 489 e 3084 e 242 e 600S e 088 e 8870 e 7392 e 5544 e 4063 e 2822 e See Header Load Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

91 Web Crippling Load Tables Web Crippling Load Table Notes. All capacities listed are based upon the AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. Web crippling capacities calculated are for studs with stiffened or partially stiffened flanges. 3. Tabulated web crippling capacities are for single members only. For multiple members, multiply the tabulated values by the number of members in the assembly. 4. Listed allowable capacities are based upon members fastened to supports, except back-to-back members under two-flange loading (condition 3 and 4) for which data for fastened to supports is unavailable in the 2007 AISI NASPEC (S00) specification. 5. Listed allowable capacities are for unpunched webs. Capacity reduction for end and interior one flange loading (conditions and 2) near punchouts may be required per section C3.4.2 of S00. Web Crippling Conditions Condition : End One-Flange Reaction Condition 2: Interior One-Flange Reaction Condition 3: End Two-Flange Reaction Condition 4: Interior Two-Flange Reaction Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 89

92 Web Crippling Load Tables Allowable Web Crippling Loads (lbs) - Single Members Design Thickness, in Inside Radius, in Yield Strength, ksi Condition Condition 2 Condition 3 Condition 4 Member S , , , ,2 62S , ,2 5 78, ,2 62S S S S S S S S , , , ,2 250S , , , ,2 250S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S See Web Crippling Load Table Notes page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

93 Web Crippling Load Tables Allowable Web Crippling Loads (lbs) - Single Members Design Thickness Inside Radius Condition Condition 2 Condition 3 Condition 4 Member Yield Str S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Bearing length to web height ratio, N/h, exceeds limit of Bearing length to thickness ratio, N/t, exceeds limit of 20 See Web Crippling Load Table Notes page 89. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 9

94 Web Crippling Load Tables Allowable Web Crippling Loads (lbs) - Back-to-Back Members Member Design Inside Yield Condition Condition 2 Condition 3 Condition 4 Thickness, in Radius, in Strength, ksi S , , , ,2 62S , , , ,2 62S S S S S S S S , , , ,2 250S , , , ,2 250S S S S S S S S , , , ,2 350S , , , ,2 350S S S S S S S S S S , , , ,2 362S , , , ,2 362S S S S S S S S S S , , , ,2 400S S S S S S S S S S , , , ,2 550S S S S S S S S S S S See Web Crippling Load Table Notes page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

95 Web Crippling Load Tables Allowable Web Crippling Loads (lbs) - Back-to-Back Members Member Design Inside Condition Condition 2 Condition 3 Condition 4 Yield Str Thickness Radius S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S Bearing length to web height ratio, N/h, exceeds limit of.0 2 Bearing length to thickness ratio, N/t, exceeds limit of 20 See Web Crippling Load Table Notes page 89. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 93

96 Ceiling Span Tables Ceiling Span Table Notes. For unbraced sections, allowable moment is based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members section C3..2 with weak axis and torsional unbraced length assumed to be the listed span (completely unbraced). For mid-span braced sections, allowable moment based upon AISI S00-07 Specification, section C3..2 with weak axis and torsional unbraced length assumed to be one-half of the listed span (bracing at midspan). 2. Web crippling calculation based upon bearing length = inch. 3. Web crippling and shear capacity have not been reduced for punchouts. If web punchouts occur near support, members must be checked for reduced shear and web crippling in accordance with the 2007 AISI Specification (S00). 4. Values are for simple span conditions. 94 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

97 Ceiling Span Tables Allowable Ceiling Spans - Deflection Limit L/360 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 2" 6' 6" 5' 8" 7' 2" 6' 6" 5' 8" 6' 3" 5' 8" 5' 0" 6' 3" 5' 8" 5' 0" 4' 0" 4' 5" 3' 0" 4' 0" 4' 5" 3' 0" 62S ' 5" 7' 8" 6' 8" 8' 5" 7' 8" 6' 8" 7' 4" 6' 8" 5' 0" 7' 4" 6' 8" 5' 0" 5' 8" 5' 2" 4' 6" 5' 8" 5' 2" 4' 6" 62S ' 8" 7' " 6' " 8' 8" 7' " 6' " 7' 7" 6' " 6' 0" 7' 7" 6' " 6' 0" 5' 0" 5' 4" 4' 8" 5' 0" 5' 4" 4' 8" 62S ' 0" 8' 2" 7' " 9' 0" 8' 2" 7' " 7' 0" 7' " 6' 3" 7' 0" 7' " 6' 3" 6' " 5' 6" 4' 0" 6' " 5' 6" 4' 0" 62S ' 0" 8' 0" 7' 0" 8' 0" 8' 0" 7' 0" 7' 9" 7' 0" 6' 2" 7' 9" 7' 0" 6' 2" 6' 0" 5' 5" 4' 9" 6' 0" 5' 5" 4' 9" 62S ' " 8' 3" 7' 3" 9' " 8' 3" 7' 3" 8' 0" 7' 3" 6' 4" 8' 0" 7' 3" 6' 4" 6' 2" 5' 7" 4' " 6' 2" 5' 7" 4' " 62S ' 5" 8' 7" 7' 6" 9' 5" 8' 7" 7' 6" 8' 3" 7' 6" 6' 6" 8' 3" 7' 6" 6' 6" 6' 4" 5' 9" 5' " 6' 4" 5' 9" 5' " 250S ' 5" 7' 9" 6' " 9' " 9' 0" 7' 0" 7' 6" 6' " 6' 2" 8' 8" 7' 0" 6' " 6' 0" 5' 6" 4' 0" e 6' 8" 6' " e 5' 4" e 250S ' 8" 8' " 8' 0" ' 8" 0' 7" 9' 3" 8' 8" 8' 0" 7' 2" 0' 2" 9' 3" 8' " 7' 0" 6' 6" 5' 9" 7' 0" 7' 2" 6' 3" 250S ' 0" 9' 3" 8' 3" 2' 0" 0' " 9' 6" 9' 0" 8' 3" 7' 5" 0' 6" 9' 6" 8' 4" 7' 3" 6' 8" 6' 0" 8' " 7' 4" 6' 5" 250S ' 5" 9' 8" 8' 7" 2' 5" ' 3" 9' 0" 9' 4" 8' 7" 7' 8" 0' 0" 9' 0" 8' 7" 7' 6" 6' " 6' 2" 8' 5" 7' 7" 6' 8" 250S ' 9" 0' 0" 9' 7" 3' 6" 2' 3" 0' 9" 0' 5" 9' 7" 8' 6" ' 0" 0' 9" 9' 4" 8' 4" 7' 8" 6' 0" 9' " 8' 3" 7' 3" 250S ' 0" 0' 2" 9' " 2' 3" ' " 9' 9" 9' 0" 9' " 8' 2" 0' 8" 9' 9" 8' 6" 8' 0" 7' 5" 6' 7" 8' 3" 7' 6" 6' 7" 250S ' 4" 0' 6" 9' 5" 2' 8" ' 6" 0' 0" 0' 2" 9' 5" 8' 5" ' 0" 0' 0" 8' 9" 8' 3" 7' 8" 6' 9" 8' 6" 7' 9" 6' 9" 250S ' 0" 0' " 9' 9" 3' " ' 0" 0' 4" 0' 7" 9' 9" 8' 9" ' 5" 0' 4" 9' " 8' 6" 7' " 7' 0" 8' 0" 8' 0" 7' 0" 250S ' 2" 2' 2" 0' 9" 4' 2" 2' " ' 3" ' 9" 0' 9" 9' 7" 2' 5" ' 3" 9' 0" 9' 5" 8' 8" 7' 7" 9' 7" 8' 8" 7' 7" 250S ' 6" 2' 5" 0' 0" 3' 8" 2' 5" 0' 0" 2' 0" 0' 0" 9' 6" 2' 0" 0' 0" 9' 6" 9' 3" 8' 5" 7' 4" 9' 3" 8' 5" 7' 4" 250S ' " 3' 6" ' 0" 4' " 3' 6" ' 0" 3' 0" ' 0" 0' 4" 3' 0" ' 0" 0' 4" 0' " 9' 2" 8' 0" 0' " 9' 2" 8' 0" 350S ' 4" 8' 7" 7' 8" 2' 9" ' 8" 0' " 8' 4" 7' 8" 6' 9" ' 2" 0' " 8' 7" e 6' 7" 6' " e 5' 4" e 8' 4" e 7' 4" e 6' 2" e 350S ' 6" 9' 9" 8' 9" 5' " 3' 8" 2' 0" 9' 5" 8' 9" 7' 0" 3' 2" 2' 0" 0' 5" 7' 8" 7' 2" 6' 5" 0' 2" 9' 3" 8' 0" 350S ' 0" 0' 0" 9' 0" 5' 6" 4' 2" 2' 4" 9' 9" 9' 0" 8' " 3' 7" 2' 4" 0' 0" 7' " 7' 4" 6' 7" 0' 6" 9' 7" 8' 4" 350S ' 3" 0' 5" 9' 4" 6' 0" 4' 8" 2' 9" 0' " 9' 4" 8' 4" 4' " 2' 9" ' 2" 8' 2" 7' 7" 6' 0" 0' 0" 9' 0" 8' 8" 350S ' 7" ' 6" 0' 3" 7' 6" 5' " 3' " ' 2" 0' 3" 9' " 5' 4" 3' " 2' 2" 8' " 8' 3" 7' 4" ' 0" 0' 9" 9' 5" 350S ' " ' 0" 9' " 5' 0" 4' 5" 2' 7" 0' 8" 9' " 8' " 3' 0" 2' 7" ' 0" 8' 9" 8' " 7' 4" 0' 8" 9' 9" 8' 6" 350S ' 3" ' 4" 0' 2" 6' 4" 4' 0" 3' 0" ' 0" 0' 2" 9' 2" 4' 3" 3' 0" ' 4" 9' 0" 8' 4" 7' 6" ' 0" 0' 0" 8' 9" 350S ' 8" ' 9" 0' 6" 6' " 5' 4" 3' 5" ' 4" 0' 6" 9' 5" 4' 9" 3' 5" ' 9" 9' 3" 8' 7" 7' 9" ' 5" 0' 4" 9' " 350S ' " 2' " ' 6" 8' 4" 6' 8" 4' 7" 2' 6" ' 6" 0' 4" 6' " 4' 7" 2' 9" 0' " 9' 4" 8' 4" 2' 5" ' 3" 9' 0" 350S ' 6" 3' 5" 2' 0" 7' 9" 6' " 4' " 3' 0" 2' 0" 0' 0" 5' 6" 4' " 2' 3" 0' 7" 9' 0" 8' 0" ' " 0' 0" 9' 6" 350S ' " 4' 8" 3' " 9' 3" 7' 6" 5' 3" 4' 3" 3' " ' 9" 6' 0" 5' 3" 3' 4" ' 6" 0' 7" 9' 6" 3' 0" ' 0" 0' 4" 362S ' 5" 8' 8" 7' 9" 2' " ' 0" 0' 3" 8' 5" 7' 9" 6' 0" ' 4" 0' 3" 8' 9" e 6' 8" 6' " e 5' 5" e 8' 6" e 7' 6" e 6' 3" e 362S ' 7" 9' 0" 8' 0" 5' 3" 4' " 2' 4" 9' 6" 8' 0" 7' " 3' 6" 2' 4" 0' 9" 7' 9" 7' 3" 6' 6" 0' 5" 9' 6" 8' 2" 362S ' " 0' 2" 9' " 5' 8" 4' 7" 2' 8" 9' 0" 9' " 8' 2" 4' 0" 2' 8" ' " 8' 0" 7' 5" 6' 8" 0' 0" 9' 0" 8' 7" 362S ' 4" 0' 6" 9' 5" 6' 2" 5' 0" 3' 2" 0' 2" 9' 5" 8' 5" 4' 5" 3' 2" ' 6" 8' 3" 7' 8" 6' 0" ' 2" 0' 2" 8' 0" 362S ' 8" ' 8" 0' 4" 7' 8" 6' 3" 4' 4" ' 3" 0' 4" 9' 3" 5' 9" 4' 4" 2' 6" 9' 0" 8' 4" 7' 5" 2' 2" ' " 9' 8" 362S ' 0" ' 2" 0' 0" 6' 3" 4' 0" 2' " 0' 0" 0' 0" 9' 0" 4' 3" 2' " ' 3" 8' 0" 8' 3" 7' 5" ' 0" 0' 0" 8' 9" e 362S ' 5" ' 6" 0' 4" 6' 0" 5' 3" 3' 4" ' " 0' 4" 9' 3" 4' 8" 3' 4" ' 8" 9' " 8' 5" 7' 7" ' 4" 0' 4" 9' 0" 362S ' 0" ' 0" 0' 8" 7' 4" 5' 9" 3' 9" ' 6" 0' 8" 9' 7" 5' 2" 3' 9" 2' 0" 9' 4" 8' 8" 7' 0" ' 9" 0' 8" 9' 4" 362S ' 2" 3' " ' 8" 8' " 7' 2" 5' 0" 2' 8" ' 8" 0' 5" 6' 6" 5' 0" 3' " 0' 2" 9' 5" 8' 5" 2' 9" ' 7" 0' " 362S ' 7" 3' 6" 2' 2" 8' 2" 6' 6" 4' 5" 3' " 2' 2" 0' " 5' " 4' 5" 2' 7" 0' 8" 9' " 8' " 2' 3" ' 2" 9' 9" 362S ' " 4' 0" 3' 3" 9' 0" 8' 0" 5' 9" 4' 4" 3' 3" ' 0" 7' 4" 5' 9" 3' 9" ' 7" 0' 9" 9' 7" 3' 4" 2' 2" 0' 7" 400S ' 8" 8' " 8' 0" 3' 3" 2' 2" 0' 8" 8' 8" 8' 0" 7' " ' 9" 0' 8" 9' 2" e 6' " 6' 4" e 5' 7" e 8' 0" e 7' 0" e 6' 7" e 400S ' " 0' 2" 9' " 5' 8" 4' 6" 3' 0" 9' 0" 9' " 8' 2" 4' " 3' 0" ' 5" 8' 0" 7' 5" 6' 8" ' " 0' 0" 8' 6" e 400S ' 3" 0' 5" 9' 4" 6' 3" 5' 0" 3' 5" 0' " 9' 4" 8' 5" 4' 6" 3' 5" 2' 0" 8' 3" 7' 8" 6' 0" ' 8" 0' 7" 9' " 400S ' 8" 0' 0" 9' 8" 6' 8" 5' 6" 3' " 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 5" 8' 6" 7' " 7' " 2' " ' 0" 9' 7" 400S ' 0" ' " 0' 7" 8' 2" 6' 9" 5' 0" ' 6" 0' 7" 9' 6" 6' 3" 5' 0" 3' 6" 9' 3" 8' 7" 7' 8" 3' 2" ' " 0' 5" 400S ' 4" ' 6" 0' 4" 7' 7" 6' 0" 3' " ' 2" 0' 4" 9' 4" 5' 4" 3' " 2' 2" 9' " 8' 5" 7' 7" ' 0" 0' 9" 9' 5" e 400S ' 9" ' 0" 0' 7" 8' 2" 6' 6" 4' 5" ' 5" 0' 7" 9' 7" 5' 0" 4' 5" 2' 7" 9' 4" 8' 8" 7' 0" 2' 3" ' " 9' 9" 400S ' 2" 2' 2" 0' " 8' 9" 7' 0" 4' " ' 0" 0' " 9' 0" 6' 5" 4' " 3' 0" 9' 8" 8' " 8' " 2' 8" ' 6" 0' " 400S ' 7" 3' 5" ' " 20' 5" 8' 6" 6' 2" 2' " ' " 0' 8" 7' 0" 6' 2" 4' 2" 0' 5" 9' 8" 8' 8" 3' 9" 2' 6" 0' " 400S ' 0" 3' " 2' 6" 9' 8" 7' 0" 5' 7" 3' 6" 2' 6" ' 3" 7' 2" 5' 7" 3' 7" ' 0" 0' 3" 9' 2" 3' 3" 2' 0" 0' 6" 400S ' 6" 5' 2" 3' 7" 2' 4" 9' 5" 6' " 4' 8" 3' 7" 2' 2" 8' 8" 6' " 4' 0" ' " ' 0" 9' " 4' 5" 3' " ' 5" 550S ' " ' 3" 0' " 7' 5" 6' " 4' 5" 0' 0" 0' " 9' " 5' 7" 4' 5" 2' " 8' " 8' 3" 7' 5" 2' 7" ' 7" 0' 0" e 550S ' 5" ' 6" 0' 4" 7' " 6' 8" 4' " ' 2" 0' 4" 9' 4" 6' 2" 4' " 3' 4" 9' 2" 8' 6" 7' 8" 3' 0" 2' " 0' 7" e 550S ' 0" ' " 0' 8" 8' 5" 7' " 5' 5" ' 6" 0' 8" 9' 7" 6' 7" 5' 5" 3' 0" 9' 5" 8' 9" 7' 0" 3' 6" 2' 6" ' " 550S ' " 3' 0" ' 8" 20' 0" 8' 6" 6' 7" 2' 7" ' 8" 0' 5" 7' " 6' 7" 4' " 0' 2" 9' 5" 8' 5" 4' 7" 3' 6" 2' 2" e web stiffeners required at supports. See Ceiling Span Table Notes on page 94. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 95

98 Ceiling Span Tables Allowable Ceiling Spans - Deflection Limit L/360 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 8" 2' 8" ' 5" 9' 9" 8' 4" 6' 7" 2' 3" ' 5" 0' 3" 7' 0" 6' 7" 4' " 0' " 9' 4" 8' 5" e 4' 8" 3' 7" e ' " e 550S ' 0" 3' 0" ' 9" 20' 3" 8' 0" 7' 0" 2' 7" ' 9" 0' 7" 8' 3" 7' 0" 5' 4" 0' 4" 9' 7" 8' 8" 5' 0" 3' " 2' 4" e 550S ' 6" 3' 5" 2' " 20' 0" 9' 4" 7' 5" 3' 0" 2' " 0' 0" 8' 9" 7' 5" 5' 9" 0' 7" 9' 0" 8' " 5' 5" 4' 4" 2' 9" e 550S ' 0" 4' 8" 3' " 22' 6" 20' 0" 8' 9" 4' 2" 3' " ' 9" 20' 3" 8' 9" 6' 0" ' 6" 0' 8" 9' 7" 6' 6" 5' 4" 3' 9" 550S ' 6" 5' 3" 3' 9" 23' 9" 22' " 9' " 4' 0" 3' 9" 2' 4" 2' 5" 9' " 7' 5" 2' " ' 3" 0' 2" 7' 0" 5' 5" 3' 6" e 550S ' 0" 6' 7" 4' " 25' 8" 23' 9" 2' 4" 6' " 4' " 3' 4" 23' 0" 2' 4" 9' 0" 3' " 2' " 0' " 8' 6" 6' 0" 4' 8" 600S ' 5" ' 6" 0' 4" 7' 0" 6' 6" 4' 9" ' 2" 0' 4" 9' 4" 6' 0" 4' 9" 3' 2" 9' 2" 8' 6" 7' 7" e 2' " ' " e 0' 4" e 600S ' 9" ' 0" 0' 8" 8' 5" 7' " 5' 3" ' 6" 0' 8" 9' 7" 6' 6" 5' 3" 3' 8" 9' 5" 8' 8" 7' 0" 3' 4" 2' 4" 0' " e 600S ' 2" 2' 2" 0' " 8' " 7' 7" 5' 0" ' 0" 0' " 9' 0" 7' 0" 5' 0" 4' 2" 9' 8" 8' " 8' " 3' 0" 2' 9" ' 5" 600S ' 5" 3' 4" ' " 20' 6" 8' " 7' 0" 2' " ' " 0' 8" 8' 4" 7' 0" 5' 3" 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 6" 600S ' 0" 3' 0" ' 8" 20' 2" 8' 8" 6' 9" 2' 7" ' 8" 0' 6" 8' " 6' 9" 5' 0" 0' 4" 9' 7" 8' 7" e 4' 8" 3' 7" e ' 0" e 600S ' 5" 3' 4" 2' 0" 20' 9" 9' 3" 7' 3" 2' " 2' 0" 0' 0" 8' 8" 7' 3" 5' 6" 0' 7" 9' 0" 8' 0" 5' 2" 4' 0" 2' 5" e 600S ' 0" 3' 9" 2' 4" 2' 5" 9' 0" 7' 0" 3' 4" 2' 4" ' 2" 9' 3" 7' 0" 6' 0" 0' " 0' " 9' " 5' 8" 4' 6" 2' " e 600S ' 3" 5' 0" 3' 5" 23' " 2' 5" 9' 3" 4' 6" 3' 5" 2' 0" 20' 9" 9' 3" 7' 3" ' 9" 0' " 9' 0" 6' " 5' 9" 4' 2" 600S ' " 5' 8" 4' " 24' 5" 22' 8" 20' 5" 5' 2" 4' " 2' 8" 22' 0" 20' 5" 8' 5" 2' 5" ' 6" 0' 5" 8' 0" 6' 6" 4' 5" e 600S ' 4" 7' 0" 5' 3" 26' 3" 24' 4" 2' " 6' 5" 5' 3" 3' 8" 23' 7" 2' " 9' 9" 3' 5" 2' 5" ' 2" 9' 4" 7' " 5' 9" 800S ' 3" 3' 3" ' " 20' 7" 9' " 7' " 2' 0" ' " 0' 9" 8' 5" 7' " 5' 3" 0' 6" 9' 9" 8' 9" e 4' " 3' 9" e 2' 4" e 800S ' 7" 4' 4" 2' " 22' 2" 20' 7" 8' 6" 3' " 2' " ' 7" 9' " 8' 6" 6' 8" ' 4" 0' 6" 9' 5" 6' 3" 5' " 3' 6" 800S ' " 4' " 3' 5" 23' 2" 2' 6" 9' 3" 4' 6" 3' 5" 2' " 20' 9" 9' 3" 7' 3" ' 0" ' 0" 9' 0" e 6' 0" 5' 7" e 4' 0" e 800S ' 6" 6' 2" 4' 6" 25' " 23' 3" 20' " 5' 8" 4' 6" 3' 0" 22' 6" 20' " 8' 0" 2' 9" ' 0" 0' 8" 8' 5" 7' 0" 5' 3" 800S ' 4" 7' 0" 5' 4" 26' 4" 24' 5" 2' " 6' 6" 5' 4" 3' 9" 23' 8" 2' " 9' 7" e 3' 6" 2' 6" ' 2" e 9' 2" e 7' 9" e 5' 0" e 800S ' 0" 8' 5" 6' 6" 28' 6" 26' 6" 23' 0" 7' 0" 6' 6" 4' 0" 25' 8" 23' 0" 2' 5" 4' 6" 3' 6" 2' 2" 20' " 9' 4" 7' 4" Allowable Ceiling Spans - Deflection Limit L/240 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 4" 6' 8" 5' " 8' 3" 7' 5" 6' 6" 6' 6" 5' " 5' 2" 7' 2" 6' 6" 5' 8" 5' " 4' 6" 3' 0" 5' 7" 4' " 4' 0" 62S ' 8" 8' 0" 7' " 9' 8" 8' 9" 7' 8" 7' 8" 7' " 6' 4" 8' 5" 7' 8" 6' 8" 6' 2" 5' 7" 4' 0" 6' 6" 5' " 5' 2" 62S ' 0" 8' 4" 7' 5" 9' " 9' 0" 7' " 8' 0" 7' 5" 6' 7" 8' 8" 7' " 6' " 6' 5" 5' " 5' " 6' 9" 6' " 5' 4" 62S ' 6" 8' 8" 7' 9" 0' 3" 9' 4" 8' 2" 8' 5" 7' 9" 6' 0" 9' 0" 8' 2" 7' " 6' 8" 6' 2" 5' 4" 6' " 6' 4" 5' 6" 62S ' " 9' 2" 8' 0" 0' " 9' 2" 8' 0" 8' 0" 8' 0" 7' 0" 8' 0" 8' 0" 7' 0" 6' 0" 6' 2" 5' 5" 6' 0" 6' 2" 5' 5" 62S ' 3" 9' 6" 8' 3" 0' 5" 9' 6" 8' 3" 9' " 8' 3" 7' 3" 9' " 8' 3" 7' 3" 7' " 6' 5" 5' 7" 7' " 6' 5" 5' 7" 62S ' 9" 9' 9" 8' 7" 0' 9" 9' 9" 8' 7" 9' 5" 8' 7" 7' 6" 9' 5" 8' 7" 7' 6" 7' 3" 6' 7" 5' 9" 7' 3" 6' 7" 5' 9" 250S ' 5" 7' 9" 6' " ' 4" 0' 4" 9' 0" 7' 6" 6' " 6' 2" 9' " 9' 0" 7' 9" 6' 0" 5' 6" 4' 0" e 7' 6" 6' 7" e 5' 6" e 250S ' 8" 8' " 8' 0" 3' 4" 2' " 0' 7" 8' 8" 8' 0" 7' 2" ' 8" 0' 7" 9' 3" 7' 0" 6' 6" 5' 9" 9' 0" 8' 2" 6' 0" 250S ' 0" 9' 3" 8' 3" 3' 9" 2' 6" 0' " 9' 0" 8' 3" 7' 5" 2' 0" 0' " 9' 6" 7' 3" 6' 8" 6' 0" 9' 3" 8' 5" 7' 3" 250S ' 5" 9' 8" 8' 7" 4' 3" 2' " ' 3" 9' 4" 8' 7" 7' 8" 2' 5" ' 3" 9' 0" 7' 6" 6' " 6' 2" 9' 7" 8' 9" 7' 7" 250S ' 9" 0' 0" 9' 7" 5' 6" 4' " 2' 3" 0' 5" 9' 7" 8' 6" 3' 6" 2' 3" 0' 9" 8' 4" 7' 8" 6' 0" 0' 5" 9' 6" 8' 3" 250S ' 0" 0' 2" 9' " 4' 0" 2' 9" ' " 9' 0" 9' " 8' 2" 2' 3" ' " 9' 9" 8' 0" 7' 5" 6' 8" 9' 6" 8' 7" 7' 6" 250S ' 4" 0' 6" 9' 5" 4' 5" 3' 2" ' 6" 0' 2" 9' 5" 8' 5" 2' 8" ' 6" 0' 0" 8' 3" 7' 8" 6' 0" 9' 9" 8' 0" 7' 9" 250S ' 0" 0' " 9' 9" 4' " 3' 7" ' 0" 0' 7" 9' 9" 8' 9" 3' " ' 0" 0' 4" 8' 6" 7' " 7' " 0' " 9' 2" 8' 0" 250S ' 2" 2' 2" 0' 9" 6' 3" 4' 9" 2' " ' 9" 0' 9" 9' 7" 4' 2" 2' " ' 3" 9' 5" 8' 8" 7' 9" 0' " 9' " 8' 8" 250S ' 6" 2' 5" ' 2" 5' 8" 4' 3" 2' 5" 2' " ' 2" 0' 0" 3' 8" 2' 5" 0' 0" 9' 9" 9' " 8' 0" 0' 7" 9' 7" 8' 5" 250S ' " 3' 9" 2' 3" 7' " 5' 6" 3' 6" 3' 4" 2' 3" 0' " 4' " 3' 6" ' 0" 0' 8" 9' 0" 8' 0" ' 6" 0' 5" 9' 2" 350S ' 4" 8' 7" 7' 8" 2' 9" ' 8" 0' " 8' 4" 7' 8" 6' 9" ' 2" 0' " 8' 7" e 6' 7" 6' " e 5' 4" e 8' 4" e 7' 4" e 6' 2" e 350S ' 6" 9' 9" 8' 9" 5' " 4' 0" 2' 5" 9' 5" 8' 9" 7' 0" 3' 6" 2' 5" 0' 0" 7' 8" 7' 2" 6' 5" 0' 7" 9' 5" 8' 0" 350S ' 0" 0' 0" 9' 0" 5' 6" 4' 5" 2' " 9' 9" 9' 0" 8' " 4' 0" 2' " ' 5" 7' " 7' 4" 6' 7" ' 2" 0' 0" 8' 6" 350S ' 3" 0' 5" 9' 4" 6' 0" 4' 0" 3' 4" 0' " 9' 4" 8' 4" 4' 5" 3' 4" ' " 8' 2" 7' 7" 6' 0" ' 8" 0' 7" 9' " 350S ' 7" ' 6" 0' 3" 7' 6" 6' " 4' 5" ' 2" 0' 3" 9' " 5' 7" 4' 5" 2' " 8' " 8' 3" 7' 4" 2' 8" ' 8" 0' 2" 350S ' " ' 0" 9' " 7' 2" 5' " 4' 4" 0' 8" 9' " 8' " 5' 6" 4' 4" 2' 7" 8' 9" 8' " 7' 4" 2' 2" 0' 0" 9' " e 350S ' 3" ' 4" 0' 2" 7' 8" 6' 4" 4' 9" ' 0" 0' 2" 9' 2" 5' " 4' 9" 3' 0" 9' 0" 8' 4" 7' 6" 2' 8" ' 5" 9' 8" 350S ' 8" ' 9" 0' 6" 8' 2" 6' 0" 5' 2" ' 4" 0' 6" 9' 5" 6' 4" 5' 2" 3' 5" 9' 3" 8' 7" 7' 9" 3' " ' 0" 0' 3" 350S ' " 2' " ' 6" 9' 9" 8' 3" 6' 4" 2' 6" ' 6" 0' 4" 7' 8" 6' 4" 4' 7" 0' " 9' 4" 8' 4" 4' 2" 2' " ' 3" e web stiffeners required at supports. See Ceiling Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

99 Ceiling Span Tables Allowable Ceiling Spans - Deflection Limit L/240 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 6" 3' 5" 2' 0" 20' 3" 8' 5" 6' " 3' 0" 2' 0" 0' 0" 7' 9" 6' " 4' " 0' 7" 9' 0" 8' 0" 3' 8" 2' 5" 0' 0" 350S ' " 4' 8" 3' " 22' " 20' 0" 7' 6" 4' 3" 3' " ' 9" 9' 3" 7' 6" 5' 3" ' 6" 0' 7" 9' 6" 4' " 3' 6" ' 0" 362S ' 5" 8' 8" 7' 9" 2' " ' 0" 0' 3" 8' 5" 7' 9" 6' 0" ' 4" 0' 3" 8' 9" e 6' 8" 6' " e 5' 5" e 8' 6" e 7' 6" e 6' 3" e 362S ' 7" 9' 0" 8' 0" 5' 3" 4' " 2' 7" 9' 6" 8' 0" 7' " 3' 8" 2' 7" ' 0" 7' 9" 7' 3" 6' 6" 0' 8" 9' 7" 8' 2" 362S ' " 0' 2" 9' " 5' 8" 4' 7" 3' " 9' 0" 9' " 8' 2" 4' " 3' " ' 7" 8' 0" 7' 5" 6' 8" ' 3" 0' 2" 8' 8" 362S ' 4" 0' 6" 9' 5" 6' 2" 5' 0" 3' 6" 0' 2" 9' 5" 8' 5" 4' 6" 3' 6" 2' " 8' 3" 7' 8" 6' 0" ' 0" 0' 9" 9' 2" 362S ' 8" ' 8" 0' 4" 7' 8" 6' 3" 4' 7" ' 3" 0' 4" 9' 3" 5' 9" 4' 7" 3' " 9' 0" 8' 4" 7' 5" 2' 0" ' 9" 0' 4" 362S ' 0" ' 2" 0' 0" 7' 4" 6' " 4' 5" 0' 0" 0' 0" 9' 0" 5' 7" 4' 5" 2' 9" 8' 0" 8' 3" 7' 5" 2' 4" ' 0" 9' 3" e 362S ' 5" ' 6" 0' 4" 7' 0" 6' 7" 4' " ' " 0' 4" 9' 3" 6' " 4' " 3' 3" 9' " 8' 5" 7' 7" 2' 0" ' 7" 9' " 362S ' 0" ' 0" 0' 8" 8' 4" 7' 0" 5' 4" ' 6" 0' 8" 9' 7" 6' 6" 5' 4" 3' 8" 9' 4" 8' 8" 7' 0" 3' 4" 2' 2" 0' 5" 362S ' 2" 3' " ' 8" 9' " 8' 5" 6' 6" 2' 8" ' 8" 0' 5" 7' 0" 6' 6" 4' 0" 0' 2" 9' 5" 8' 5" 4' 6" 3' 3" ' 6" 362S ' 7" 3' 6" 2' 2" 20' 0" 8' " 6' 6" 3' " 2' 2" 0' " 8' 2" 6' 6" 4' 5" 0' 8" 9' " 8' " 4' " 2' 9" ' 2" 362S ' " 4' 0" 3' 3" 22' 8" 20' 7" 8' 0" 4' 4" 3' 3" ' 0" 9' 0" 8' 0" 5' 9" ' 7" 0' 9" 9' 7" 5' 4" 3' " 2' 2" 400S ' 8" 8' " 8' 0" 3' 3" 2' 2" 0' 8" 8' 8" 8' 0" 7' " ' 9" 0' 8" 9' 2" e 6' " 6' 4" e 5' 7" e 8' 0" e 7' 0" e 6' 7" e 400S ' " 0' 2" 9' " 5' 8" 4' 6" 3' 0" 9' 0" 9' " 8' 2" 4' " 3' 0" ' 5" 8' 0" 7' 5" 6' 8" ' " 0' 0" 8' 6" e 400S ' 3" 0' 5" 9' 4" 6' 3" 5' 0" 3' 5" 0' " 9' 4" 8' 5" 4' 6" 3' 5" 2' 0" 8' 3" 7' 8" 6' 0" ' 8" 0' 7" 9' " 400S ' 8" 0' 0" 9' 8" 6' 8" 5' 6" 3' " 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 5" 8' 6" 7' " 7' " 2' 2" ' 2" 9' 8" 400S ' 0" ' " 0' 7" 8' 2" 6' 9" 5' 0" ' 6" 0' 7" 9' 6" 6' 3" 5' 0" 3' 6" 9' 3" 8' 7" 7' 8" 3' 2" 2' 3" 0' 0" 400S ' 4" ' 6" 0' 4" 7' 0" 6' 6" 4' 0" ' 2" 0' 4" 9' 4" 6' 0" 4' 0" 3' 2" 9' " 8' 5" 7' 7" 2' 0" ' 6" 9' 8" e 400S ' 9" ' 0" 0' 7" 8' 5" 7' " 5' 4" ' 5" 0' 7" 9' 7" 6' 6" 5' 4" 3' 8" 9' 4" 8' 8" 7' 0" 3' 4" 2' " 0' 4" e 400S ' 2" 2' 2" 0' " 8' " 7' 7" 5' 0" ' 0" 0' " 9' 0" 7' 0" 5' 0" 4' 2" 9' 8" 8' " 8' " 3' 0" 2' 7" 0' " 400S ' 7" 3' 5" ' " 20' 6" 8' " 7' 0" 2' " ' " 0' 8" 8' 4" 7' 0" 5' 3" 0' 5" 9' 8" 8' 8" 4' " 3' 9" 2' " 400S ' 0" 3' " 2' 6" 2' 7" 20' " 7' 0" 3' 6" 2' 6" ' 3" 9' 5" 7' 0" 5' 7" ' 0" 0' 3" 9' 2" 5' 2" 3' 9" 2' 0" 400S ' 6" 5' 2" 3' 7" 23' 4" 2' 7" 9' 5" 4' 8" 3' 7" 2' 2" 20' " 9' 5" 6' " ' " ' 0" 9' " 6' 6" 5' 0" 3' " 550S ' " ' 3" 0' " 7' 5" 6' " 4' 5" 0' 0" 0' " 9' " 5' 7" 4' 5" 2' " 8' " 8' 3" 7' 5" 2' 7" ' 7" 0' 0" e 550S ' 5" ' 6" 0' 4" 7' " 6' 8" 4' " ' 2" 0' 4" 9' 4" 6' 2" 4' " 3' 4" 9' 2" 8' 6" 7' 8" 3' 0" 2' " 0' 7" e 550S ' 0" ' " 0' 8" 8' 5" 7' " 5' 5" ' 6" 0' 8" 9' 7" 6' 7" 5' 5" 3' 0" 9' 5" 8' 9" 7' 0" 3' 6" 2' 6" ' " 550S ' " 3' 0" ' 8" 20' 0" 8' 6" 6' 7" 2' 7" ' 8" 0' 5" 7' " 6' 7" 4' " 0' 2" 9' 5" 8' 5" 4' 7" 3' 6" 2' 2" 550S ' 8" 2' 8" ' 5" 9' 9" 8' 4" 6' 7" 2' 3" ' 5" 0' 3" 7' 0" 6' 7" 4' " 0' " 9' 4" 8' 5" e 4' 8" 3' 7" e ' " e 550S ' 0" 3' 0" ' 9" 20' 3" 8' 0" 7' 0" 2' 7" ' 9" 0' 7" 8' 3" 7' 0" 5' 4" 0' 4" 9' 7" 8' 8" 5' 0" 3' " 2' 4" e 550S ' 6" 3' 5" 2' " 20' 0" 9' 4" 7' 5" 3' 0" 2' " 0' 0" 8' 9" 7' 5" 5' 9" 0' 7" 9' 0" 8' " 5' 5" 4' 4" 2' 9" e 550S ' 0" 4' 8" 3' " 22' 6" 20' 0" 8' 9" 4' 2" 3' " ' 9" 20' 3" 8' 9" 6' 0" ' 6" 0' 8" 9' 7" 6' 6" 5' 4" 3' 9" 550S ' 6" 5' 3" 3' 9" 23' 9" 22' " 9' " 4' 0" 3' 9" 2' 4" 2' 5" 9' " 7' " 2' " ' 3" 0' 2" 7' 7" 6' 2" 4' 3" e 550S ' 0" 6' 7" 4' " 25' 8" 23' 9" 2' 4" 6' " 4' " 3' 4" 23' 0" 2' 4" 9' 3" 3' " 2' " 0' " 8' 0" 7' 6" 5' 6" 600S ' 5" ' 6" 0' 4" 7' 0" 6' 6" 4' 9" ' 2" 0' 4" 9' 4" 6' 0" 4' 9" 3' 2" 9' 2" 8' 6" 7' 7" e 2' " ' " e 0' 4" e 600S ' 9" ' 0" 0' 8" 8' 5" 7' " 5' 3" ' 6" 0' 8" 9' 7" 6' 6" 5' 3" 3' 8" 9' 5" 8' 8" 7' 0" 3' 4" 2' 4" 0' " e 600S ' 2" 2' 2" 0' " 8' " 7' 7" 5' 0" ' 0" 0' " 9' 0" 7' 0" 5' 0" 4' 2" 9' 8" 8' " 8' " 3' 0" 2' 9" ' 5" 600S ' 5" 3' 4" ' " 20' 6" 8' " 7' 0" 2' " ' " 0' 8" 8' 4" 7' 0" 5' 3" 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 6" 600S ' 0" 3' 0" ' 8" 20' 2" 8' 8" 6' 9" 2' 7" ' 8" 0' 6" 8' " 6' 9" 5' 0" 0' 4" 9' 7" 8' 7" e 4' 8" 3' 7" e ' 0" e 600S ' 5" 3' 4" 2' 0" 20' 9" 9' 3" 7' 3" 2' " 2' 0" 0' 0" 8' 8" 7' 3" 5' 6" 0' 7" 9' 0" 8' 0" 5' 2" 4' 0" 2' 5" e 600S ' 0" 3' 9" 2' 4" 2' 5" 9' 0" 7' 0" 3' 4" 2' 4" ' 2" 9' 3" 7' 0" 6' 0" 0' " 0' " 9' " 5' 8" 4' 6" 2' " e 600S ' 3" 5' 0" 3' 5" 23' " 2' 5" 9' 3" 4' 6" 3' 5" 2' 0" 20' 9" 9' 3" 7' 3" ' 9" 0' " 9' 0" 6' " 5' 9" 4' 2" 600S ' " 5' 8" 4' " 24' 5" 22' 8" 20' 5" 5' 2" 4' " 2' 8" 22' 0" 20' 5" 8' 5" 2' 5" ' 6" 0' 5" 8' 0" 6' 9" 4' 9" e 600S ' 4" 7' 0" 5' 3" 26' 3" 24' 4" 2' " 6' 5" 5' 3" 3' 8" 23' 7" 2' " 9' 9" 3' 5" 2' 5" ' 2" 9' 4" 7' " 6' 0" 800S ' 3" 3' 3" ' " 20' 7" 9' " 7' " 2' 0" ' " 0' 9" 8' 5" 7' " 5' 3" 0' 6" 9' 9" 8' 9" e 4' " 3' 9" e 2' 4" e 800S ' 7" 4' 4" 2' " 22' 2" 20' 7" 8' 6" 3' " 2' " ' 7" 9' " 8' 6" 6' 8" ' 4" 0' 6" 9' 5" 6' 3" 5' " 3' 6" 800S ' " 4' " 3' 5" 23' 2" 2' 6" 9' 3" 4' 6" 3' 5" 2' " 20' 9" 9' 3" 7' 3" ' 0" ' 0" 9' 0" e 6' 0" 5' 7" e 4' 0" e 800S ' 6" 6' 2" 4' 6" 25' " 23' 3" 20' " 5' 8" 4' 6" 3' 0" 22' 6" 20' " 8' 0" 2' 9" ' 0" 0' 8" 8' 5" 7' 0" 5' 3" 800S ' 4" 7' 0" 5' 4" 26' 4" 24' 5" 2' " 6' 6" 5' 4" 3' 9" 23' 8" 2' " 9' 7" e 3' 6" 2' 6" ' 2" e 9' 2" e 7' 9" e 5' 0" e 800S ' 0" 8' 5" 6' 6" 28' 6" 26' 6" 23' 0" 7' 0" 6' 6" 4' 0" 25' 8" 23' 0" 2' 5" 4' 6" 3' 6" 2' 2" 20' " 9' 4" 7' 4" e web stiffeners required at supports. See Ceiling Span Table Notes on page 94. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 97

100 Ceiling Span Tables Allowable Ceiling Spans - Deflection Limit L/20 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 4" 6' 8" 5' " 9' 6" 8' 5" 7' " 6' 5" 5' " 5' 2" 8' 0" 7' " 5' " 5' " 4' 6" 3' 0" 5' 8" 4' " 4' 0" 62S ' 8" 8' 0" 7' " ' 9" 0' 7" 9' 0" 7' 8" 7' " 6' 4" 0' " 9' 0" 7' 7" 6' 2" 5' 7" 4' 0" 7' 4" 6' 5" 5' 4" 62S ' 0" 8' 4" 7' 5" 2' 5" ' 2" 9' 6" 8' 0" 7' 5" 6' 7" 0' 8" 9' 6" 8' 0" 6' 5" 5' " 5' " 7' 9" 6' 0" 5' 8" 62S ' 6" 8' 8" 7' 9" 2' " ' 9" 0' " 8' 5" 7' 9" 6' 0" ' 4" 0' " 8' 6" 6' 8" 6' 2" 5' 4" 8' 3" 7' 3" 6' 0" 62S ' " 9' 2" 8' 2" 2' 9" ' 7" 0' " 8' 0" 8' 2" 7' 3" ' 2" 0' " 8' 8" 7' " 6' 6" 5' 7" 8' 4" 7' 4" 6' 0" 62S ' 3" 9' 6" 8' 5" 3' 2" ' " 0' 5" 9' 2" 8' 5" 7' 6" ' 6" 0' 5" 9' " 7' 4" 6' 8" 5' 0" 8' 0" 7' 9" 6' 4" 62S ' 9" 9' " 8' 0" 3' 7" 2' 4" 0' 9" 9' 7" 8' 0" 7' 0" ' 0" 0' 9" 9' 5" 7' 8" 6' " 6' 0" 9' 2" 8' 2" 6' 0" 250S ' 5" 7' 9" 6' " ' 7" 0' 7" 9' " 7' 6" 6' " 6' 2" 0' 2" 9' " 7' 9" 6' 0" 5' 6" 4' 0" e 7' 6" 6' 7" e 5' 6" e 250S ' 8" 8' " 8' 0" 3' 8" 2' 7" ' 0" 8' 8" 8' 0" 7' 2" 2' 2" ' 0" 9' 6" 7' 0" 6' 6" 5' 9" 9' 2" 8' 2" 6' 0" 250S ' 0" 9' 3" 8' 3" 4' 2" 3' " ' 6" 9' 0" 8' 3" 7' 5" 2' 8" ' 6" 9' " 7' 3" 6' 8" 6' 0" 9' 8" 8' 7" 7' 3" 250S ' 5" 9' 8" 8' 7" 4' 8" 3' 6" 2' " 9' 4" 8' 7" 7' 8" 3' " 2' " 0' 6" 7' 6" 6' " 6' 2" 0' 2" 9' " 7' 8" 250S ' 9" 0' 0" 9' 7" 6' 3" 5' 0" 3' 3" 0' 5" 9' 7" 8' 6" 4' 6" 3' 3" ' 8" 8' 4" 7' 8" 6' 0" ' 4" 0' 3" 8' 9" 250S ' 0" 0' 2" 9' " 5' 9" 4' 6" 2' 9" 9' 0" 9' " 8' 2" 4' 0" 2' 9" 0' 0" 8' 0" 7' 5" 6' 8" 0' 6" 9' 3" 7' 9" 250S ' 4" 0' 6" 9' 5" 6' 3" 5' 0" 3' 2" 0' 2" 9' 5" 8' 5" 4' 6" 3' 2" ' 5" 8' 3" 7' 8" 6' 0" ' 0" 9' 0" 8' 2" 250S ' 0" 0' " 9' 9" 6' 9" 5' 6" 3' 8" 0' 7" 9' 9" 8' 9" 4' " 3' 8" ' " 8' 6" 7' " 7' " ' 6" 0' 3" 8' 8" 250S ' 2" 2' 2" 0' 9" 8' 5" 6' " 5' 0" ' 9" 0' 9" 9' 7" 6' 5" 5' 0" 3' " 9' 5" 8' 8" 7' 9" 2' 9" ' 5" 9' 9" 250S ' 6" 2' 5" ' 2" 9' 2" 7' 7" 5' 4" 2' " ' 2" 0' 0" 6' " 5' 4" 3' 2" 9' 9" 9' " 8' 0" 2' 9" ' 3" 9' 5" 250S ' " 3' 9" 2' 3" 20' " 9' 3" 6' " 3' 4" 2' 3" 0' " 8' 7" 6' " 4' 7" 0' 8" 9' 0" 8' 0" 4' 2" 2' 8" 0' 9" 350S ' 4" 8' 7" 7' 8" 2' 9" ' 8" 0' " 8' 4" 7' 8" 6' 9" ' 2" 0' " 8' 7" e 6' 7" 6' " e 5' 4" e 8' 4" e 7' 4" e 6' 2" e 350S ' 6" 9' 9" 8' 9" 5' " 4' 0" 2' 5" 9' 5" 8' 9" 7' 0" 3' 6" 2' 5" 0' 0" 7' 8" 7' 2" 6' 5" 0' 7" 9' 5" 8' 0" 350S ' 0" 0' 0" 9' 0" 5' 6" 4' 5" 2' " 9' 9" 9' 0" 8' " 4' 0" 2' " ' 5" 7' " 7' 4" 6' 7" ' 2" 0' 0" 8' 6" 350S ' 3" 0' 5" 9' 4" 6' 0" 4' 0" 3' 4" 0' " 9' 4" 8' 4" 4' 5" 3' 4" ' " 8' 2" 7' 7" 6' 0" ' 8" 0' 7" 9' " 350S ' 7" ' 6" 0' 3" 7' 6" 6' " 4' 5" ' 2" 0' 3" 9' " 5' 7" 4' 5" 2' " 8' " 8' 3" 7' 4" 2' 8" ' 8" 0' 2" 350S ' " ' 0" 9' " 7' 2" 5' " 4' 4" 0' 8" 9' " 8' " 5' 6" 4' 4" 2' 7" 8' 9" 8' " 7' 4" 2' 2" 0' 0" 9' " e 350S ' 3" ' 4" 0' 2" 7' 8" 6' 4" 4' 9" ' 0" 0' 2" 9' 2" 5' " 4' 9" 3' " 9' 0" 8' 4" 7' 6" 2' 8" ' 5" 9' 8" 350S ' 8" ' 9" 0' 6" 8' 2" 6' 0" 5' 2" ' 4" 0' 6" 9' 5" 6' 4" 5' 2" 3' 6" 9' 3" 8' 7" 7' 9" 3' 2" ' " 0' 3" 350S ' " 2' " ' 6" 9' 9" 8' 3" 6' 4" 2' 6" ' 6" 0' 4" 7' 8" 6' 4" 4' 8" 0' " 9' 4" 8' 4" 4' 3" 3' 0" ' 4" 350S ' 6" 3' 5" 2' 0" 20' 9" 9' 3" 7' 3" 3' 0" 2' 0" 0' 0" 8' 8" 7' 3" 5' 2" 0' 7" 9' 0" 8' 0" 4' 9" 3' 3" ' 3" 350S ' " 4' 8" 3' " 22' 6" 20' 0" 8' 8" 4' 3" 3' " ' 9" 20' 2" 8' 8" 6' 7" ' 6" 0' 7" 9' 6" 6' " 4' 7" 2' 7" 362S ' 5" 8' 8" 7' 9" 2' " ' 0" 0' 3" 8' 5" 7' 9" 6' 0" ' 4" 0' 3" 8' 9" e 6' 8" 6' " e 5' 5" e 8' 6" e 7' 6" e 6' 3" e 362S ' 7" 9' 0" 8' 0" 5' 3" 4' " 2' 7" 9' 6" 8' 0" 7' " 3' 8" 2' 7" ' 0" 7' 9" 7' 3" 6' 6" 0' 8" 9' 7" 8' 2" 362S ' " 0' 2" 9' " 5' 8" 4' 7" 3' " 9' 0" 9' " 8' 2" 4' " 3' " ' 7" 8' 0" 7' 5" 6' 8" ' 3" 0' 2" 8' 8" 362S ' 4" 0' 6" 9' 5" 6' 2" 5' 0" 3' 6" 0' 2" 9' 5" 8' 5" 4' 6" 3' 6" 2' " 8' 3" 7' 8" 6' 0" ' 0" 0' 9" 9' 2" 362S ' 8" ' 8" 0' 4" 7' 8" 6' 3" 4' 7" ' 3" 0' 4" 9' 3" 5' 9" 4' 7" 3' " 9' 0" 8' 4" 7' 5" 2' 0" ' 9" 0' 4" 362S ' 0" ' 2" 0' 0" 7' 4" 6' " 4' 5" 0' 0" 0' 0" 9' 0" 5' 7" 4' 5" 2' 9" 8' 0" 8' 3" 7' 5" 2' 4" ' 0" 9' 3" e 362S ' 5" ' 6" 0' 4" 7' 0" 6' 7" 4' " ' " 0' 4" 9' 3" 6' " 4' " 3' 3" 9' " 8' 5" 7' 7" 2' 0" ' 7" 9' " 362S ' 0" ' 0" 0' 8" 8' 4" 7' 0" 5' 4" ' 6" 0' 8" 9' 7" 6' 6" 5' 4" 3' 8" 9' 4" 8' 8" 7' 0" 3' 4" 2' 2" 0' 5" 362S ' 2" 3' " ' 8" 9' " 8' 5" 6' 6" 2' 8" ' 8" 0' 5" 7' 0" 6' 6" 4' 0" 0' 2" 9' 5" 8' 5" 4' 6" 3' 3" ' 6" 362S ' 7" 3' 6" 2' 2" 2' 0" 9' 6" 7' 6" 3' " 2' 2" 0' " 8' " 7' 6" 5' 5" 0' 8" 9' " 8' " 5' 0" 3' 6" ' 5" 362S ' " 4' 0" 3' 3" 22' 9" 2' 0" 8' " 4' 4" 3' 3" ' 0" 20' 5" 8' " 6' 9" ' 7" 0' 9" 9' 7" 6' 4" 4' 0" 2' 0" 400S ' 8" 8' " 8' 0" 3' 3" 2' 2" 0' 8" 8' 8" 8' 0" 7' " ' 9" 0' 8" 9' 2" e 6' " 6' 4" e 5' 7" e 8' 0" e 7' 0" e 6' 7" e 400S ' " 0' 2" 9' " 5' 8" 4' 6" 3' 0" 9' 0" 9' " 8' 2" 4' " 3' 0" ' 5" 8' 0" 7' 5" 6' 8" ' " 0' 0" 8' 6" e 400S ' 3" 0' 5" 9' 4" 6' 3" 5' 0" 3' 5" 0' " 9' 4" 8' 5" 4' 6" 3' 5" 2' 0" 8' 3" 7' 8" 6' 0" ' 8" 0' 7" 9' " 400S ' 8" 0' 0" 9' 8" 6' 8" 5' 6" 3' " 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 5" 8' 6" 7' " 7' " 2' 2" ' 2" 9' 8" 400S ' 0" ' " 0' 7" 8' 2" 6' 9" 5' 0" ' 6" 0' 7" 9' 6" 6' 3" 5' 0" 3' 6" 9' 3" 8' 7" 7' 8" 3' 2" 2' 3" 0' 0" 400S ' 4" ' 6" 0' 4" 7' 0" 6' 6" 4' 0" ' 2" 0' 4" 9' 4" 6' 0" 4' 0" 3' 2" 9' " 8' 5" 7' 7" 2' 0" ' 6" 9' 8" e 400S ' 9" ' 0" 0' 7" 8' 5" 7' " 5' 4" ' 5" 0' 7" 9' 7" 6' 6" 5' 4" 3' 8" 9' 4" 8' 8" 7' 0" 3' 4" 2' " 0' 4" e 400S ' 2" 2' 2" 0' " 8' " 7' 7" 5' 0" ' 0" 0' " 9' 0" 7' 0" 5' 0" 4' 2" 9' 8" 8' " 8' " 3' 0" 2' 7" 0' " 400S ' 7" 3' 5" ' " 20' 6" 8' " 7' 0" 2' " ' " 0' 8" 8' 4" 7' 0" 5' 3" 0' 5" 9' 8" 8' 8" 4' " 3' 9" 2' " 400S ' 0" 3' " 2' 6" 2' 7" 20' " 8' 0" 3' 6" 2' 6" ' 3" 9' 5" 8' 0" 5' " ' 0" 0' 3" 9' 2" 5' 7" 4' " 2' 0" 400S ' 6" 5' 2" 3' 7" 23' 4" 2' 7" 9' 5" 4' 8" 3' 7" 2' 2" 20' " 9' 5" 7' 5" ' " ' 0" 9' " 7' 0" 5' 6" 3' 5" 550S ' " ' 3" 0' " 7' 5" 6' " 4' 5" 0' 0" 0' " 9' " 5' 7" 4' 5" 2' " 8' " 8' 3" 7' 5" 2' 7" ' 7" 0' 0" e 550S ' 5" ' 6" 0' 4" 7' " 6' 8" 4' " ' 2" 0' 4" 9' 4" 6' 2" 4' " 3' 4" 9' 2" 8' 6" 7' 8" 3' 0" 2' " 0' 7" e 550S ' 0" ' " 0' 8" 8' 5" 7' " 5' 5" ' 6" 0' 8" 9' 7" 6' 7" 5' 5" 3' 0" 9' 5" 8' 9" 7' 0" 3' 6" 2' 6" ' " 550S ' " 3' 0" ' 8" 20' 0" 8' 6" 6' 7" 2' 7" ' 8" 0' 5" 7' " 6' 7" 4' " 0' 2" 9' 5" 8' 5" 4' 7" 3' 6" 2' 2" 550S ' 8" 2' 8" ' 5" 9' 9" 8' 4" 6' 7" 2' 3" ' 5" 0' 3" 7' 0" 6' 7" 4' " 0' " 9' 4" 8' 5" e 4' 8" 3' 7" e ' " e 550S ' 0" 3' 0" ' 9" 20' 3" 8' 0" 7' 0" 2' 7" ' 9" 0' 7" 8' 3" 7' 0" 5' 4" 0' 4" 9' 7" 8' 8" 5' 0" 3' " 2' 4" e 550S ' 6" 3' 5" 2' " 20' 0" 9' 4" 7' 5" 3' 0" 2' " 0' 0" 8' 9" 7' 5" 5' 9" 0' 7" 9' 0" 8' " 5' 5" 4' 4" 2' 9" e 550S ' 0" 4' 8" 3' " 22' 6" 20' 0" 8' 9" 4' 2" 3' " ' 9" 20' 3" 8' 9" 6' 0" ' 6" 0' 8" 9' 7" 6' 6" 5' 4" 3' 9" e web stiffeners required at supports. See Ceiling Span Table Notes on page Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

101 Ceiling Span Tables Allowable Ceiling Spans - Deflection Limit L/20 4 psf 6 psf 3 psf Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange Unsupported Midspan Unsupported Midspan Unsupported Midspan Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Joist Spacing (in) o.c. Member Fy, ksi S ' 6" 5' 3" 3' 9" 23' 9" 22' " 9' " 4' 0" 3' 9" 2' 4" 2' 5" 9' " 7' " 2' " ' 3" 0' 2" 7' 7" 6' 2" 4' 3" e 550S ' 0" 6' 7" 4' " 25' 8" 23' 9" 2' 4" 6' " 4' " 3' 4" 23' 0" 2' 4" 9' 3" 3' " 2' " 0' " 8' 0" 7' 6" 5' 6" 600S ' 5" ' 6" 0' 4" 7' 0" 6' 6" 4' 9" ' 2" 0' 4" 9' 4" 6' 0" 4' 9" 3' 2" 9' 2" 8' 6" 7' 7" e 2' " ' " e 0' 4" e 600S ' 9" ' 0" 0' 8" 8' 5" 7' " 5' 3" ' 6" 0' 8" 9' 7" 6' 6" 5' 3" 3' 8" 9' 5" 8' 8" 7' 0" 3' 4" 2' 4" 0' " e 600S ' 2" 2' 2" 0' " 8' " 7' 7" 5' 0" ' 0" 0' " 9' 0" 7' 0" 5' 0" 4' 2" 9' 8" 8' " 8' " 3' 0" 2' 9" ' 5" 600S ' 5" 3' 4" ' " 20' 6" 8' " 7' 0" 2' " ' " 0' 8" 8' 4" 7' 0" 5' 3" 0' 5" 9' 8" 8' 8" 5' 0" 3' " 2' 6" 600S ' 0" 3' 0" ' 8" 20' 2" 8' 8" 6' 9" 2' 7" ' 8" 0' 6" 8' " 6' 9" 5' 0" 0' 4" 9' 7" 8' 7" e 4' 8" 3' 7" e ' 0" e 600S ' 5" 3' 4" 2' 0" 20' 9" 9' 3" 7' 3" 2' " 2' 0" 0' 0" 8' 8" 7' 3" 5' 6" 0' 7" 9' 0" 8' 0" 5' 2" 4' 0" 2' 5" e 600S ' 0" 3' 9" 2' 4" 2' 5" 9' 0" 7' 0" 3' 4" 2' 4" ' 2" 9' 3" 7' 0" 6' 0" 0' " 0' " 9' " 5' 8" 4' 6" 2' " e 600S ' 3" 5' 0" 3' 5" 23' " 2' 5" 9' 3" 4' 6" 3' 5" 2' 0" 20' 9" 9' 3" 7' 3" ' 9" 0' " 9' 0" 6' " 5' 9" 4' 2" 600S ' " 5' 8" 4' " 24' 5" 22' 8" 20' 5" 5' 2" 4' " 2' 8" 22' 0" 20' 5" 8' 5" 2' 5" ' 6" 0' 5" 8' 0" 6' 9" 4' 9" e 600S ' 4" 7' 0" 5' 3" 26' 3" 24' 4" 2' " 6' 5" 5' 3" 3' 8" 23' 7" 2' " 9' 9" 3' 5" 2' 5" ' 2" 9' 4" 7' " 6' 0" 800S ' 3" 3' 3" ' " 20' 7" 9' " 7' " 2' 0" ' " 0' 9" 8' 5" 7' " 5' 3" 0' 6" 9' 9" 8' 9" e 4' " 3' 9" e 2' 4" e 800S ' 7" 4' 4" 2' " 22' 2" 20' 7" 8' 6" 3' " 2' " ' 7" 9' " 8' 6" 6' 8" ' 4" 0' 6" 9' 5" 6' 3" 5' " 3' 6" 800S ' " 4' " 3' 5" 23' 2" 2' 6" 9' 3" 4' 6" 3' 5" 2' " 20' 9" 9' 3" 7' 3" ' 0" ' 0" 9' 0" e 6' 0" 5' 7" e 4' 0" e 800S ' 6" 6' 2" 4' 6" 25' " 23' 3" 20' " 5' 8" 4' 6" 3' 0" 22' 6" 20' " 8' 0" 2' 9" ' 0" 0' 8" 8' 5" 7' 0" 5' 3" 800S ' 4" 7' 0" 5' 4" 26' 4" 24' 5" 2' " 6' 6" 5' 4" 3' 9" 23' 8" 2' " 9' 7" e 3' 6" 2' 6" ' 2" e 9' 2" e 7' 9" e 5' 0" e 800S ' 0" 8' 5" 6' 6" 28' 6" 26' 6" 23' 0" 7' 0" 6' 6" 4' 0" 25' 8" 23' 0" 2' 5" 4' 6" 3' 6" 2' 2" 20' " 9' 4" 7' 4" e web stiffeners required at supports. See Ceiling Span Table Notes on page 94. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 99

102 Typical Ceiling Details 00 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

103 Channel Properties U-Channel Section Properties Gross Properties Effective Properties Yield Design strength, Area Weight Ix Rx Iy Ry Ix Sx Ma Va Member Thickness (in) Fy (ksi) (in2) (lb/ft) (in4) (in) (in4) (in) (in4) (in3) (in-k) (lb) 075U U U U Calculated properties are based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. Minimum base steel thickness is 95% of design thickness. 3. Effective properties are based on Fy=33ksi. Member 075U U U U Member 075U U U U Member 075U U U U U-Channel Allowable Ceiling Spans L/360 4 psf 6 psf 3 psf 5 psf Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Spans Single 3' 5" 3' 0" 2' 9" 2' 6" 2' 4" 3' 0" 2' 7" 2' 4" 2' 2" 2' " 2' 4" 2' 0" ' 0" ' 8" ' 7" 2' 2" ' " ' 9" ' 7" ' 6" Multiple 4' 2" 3' 8" 3' 4" 3' " 2' " 3' 8" 3' 2" 2' " 2' 8" 2' 7" 2' 0" 2' 6" 2' 3" 2' " ' " 2' 8" 2' 4" 2' 2" 2' 0" ' 9" Single 5' 6" 4' 0" 4' 5" 4' " 3' 0" 4' 0" 4' 3" 3' 0" 3' 7" 3' 5" 3' 9" 3' 4" 3' 0" 2' 9" 2' 7" 3' 7" 3' 2" 2' 0" 2' 7" 2' 5" Multiple 7' " 6' 2" 5' 8" 5' 3" 4' " 6' 2" 5' 5" 4' " 4' 7" 4' 4" 4' 0" 4' 2" 3' 9" 3' 4" 3' 0" 4' 7" 4' 0" 3' 6" 3' " 2' 9" Single 5' 0" 5' " 4' 8" 4' 4" 4' " 5' " 4' 6" 4' " 3' 0" 3' 7" 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" 3' 0" 3' 4" 3' " 2' 0" 2' 8" Multiple 7' 5" 6' 6" 5' " 5' 6" 5' 2" 6' 6" 5' 8" 5' 2" 4' 0" 4' 7" 5' " 4' 5" 4' 0" 3' 9" 3' 6" 4' 0" 4' 3" 3' 0" 3' 7" 3' 2" Single 6' " 5' 4" 4' 0" 4' 6" 4' 3" 5' 4" 4' 8" 4' 3" 4' 0" 3' 9" 4' 2" 3' 8" 3' 4" 3' " 2' " 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" Multiple 7' 9" 6' 9" 6' 2" 5' 9" 5' 5" 6' 9" 5' " 5' 5" 5' 0" 4' 9" 5' 3" 4' 7" 4' 3" 3' " 3' 9" 5' 0" 4' 5" 4' 0" 3' 9" 3' 7" U-Channel Allowable Ceiling Spans L/360 4 psf 6 psf 3 psf 5 psf Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Spans Single 3' " 3' 5" 3' " 2' " 2' 9" 3' 5" 3' 0" 2' 9" 2' 6" 2' 4" 2' 8" 2' 4" 2' " ' " ' 9" 2' 6" 2' 2" 2' 0" ' 0" ' 8" Multiple 4' 0" 4' 2" 3' 0" 3' 7" 3' 4" 4' 2" 3' 8" 3' 4" 3' " 2' 0" 3' 3" 2' 9" 2' 4" 2' " ' " 3' " 2' 7" 2' 2" 2' 0" ' 9" Single 5' 6" 4' 0" 4' 5" 4' " 3' 0" 4' 0" 4' 3" 3' 0" 3' 7" 3' 5" 3' 9" 3' 4" 3' 0" 2' 9" 2' 7" 3' 7" 3' 2" 2' 0" 2' 7" 2' 5" Multiple 7' " 6' 2" 5' 8" 5' 3" 4' " 6' 2" 5' 5" 4' " 4' 7" 4' 4" 4' 0" 4' 2" 3' 9" 3' 4" 3' 0" 4' 7" 4' 0" 3' 6" 3' " 2' 9" Single 5' 0" 5' " 4' 8" 4' 4" 4' " 5' " 4' 6" 4' " 3' 0" 3' 7" 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" 3' 0" 3' 4" 3' " 2' 0" 2' 8" Multiple 7' 5" 6' 6" 5' " 5' 6" 5' 2" 6' 6" 5' 8" 5' 2" 4' 0" 4' 7" 5' " 4' 5" 4' 0" 3' 9" 3' 6" 4' 0" 4' 3" 3' 0" 3' 7" 3' 2" Single 6' " 5' 4" 4' 0" 4' 6" 4' 3" 5' 4" 4' 8" 4' 3" 4' 0" 3' 9" 4' 2" 3' 8" 3' 4" 3' " 2' " 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" Multiple 7' 9" 6' 9" 6' 2" 5' 9" 5' 5" 6' 9" 5' " 5' 5" 5' 0" 4' 9" 5' 3" 4' 7" 4' 3" 3' " 3' 9" 5' 0" 4' 5" 4' 0" 3' 9" 3' 7" U-Channel Allowable Ceiling Spans L/360 4 psf 6 psf 3 psf 5 psf Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Channel Spacing (in) o.c. Spans Single 4' 0" 4' " 3' 7" 3' 3" 3' 0" 4' " 3' 5" 3' 0" 2' 9" 2' 6" 2' " 2' 5" 2' 2" ' " ' 9" 2' 9" 2' 4" 2' 0" ' 0" ' 8" Multiple 5' 5" 4' 6" 4' 2" 3' 0" 3' 5" 4' 6" 3' " 3' 5" 3' 2" 2' " 3' 5" 2' 9" 2' 4" 2' " ' " 3' " 2' 7" 2' 2" 2' 0" ' 9" Single 5' 6" 4' 0" 4' 5" 4' " 3' 0" 4' 0" 4' 3" 3' 0" 3' 7" 3' 5" 3' 9" 3' 4" 3' 0" 2' 9" 2' 7" 3' 7" 3' 2" 2' 0" 2' 7" 2' 5" Multiple 7' " 6' 2" 5' 8" 5' 3" 4' " 6' 2" 5' 5" 4' " 4' 7" 4' 4" 4' 0" 4' 2" 3' 9" 3' 4" 3' 0" 4' 7" 4' 0" 3' 6" 3' " 2' 9" Single 5' 0" 5' " 4' 8" 4' 4" 4' " 5' " 4' 6" 4' " 3' 0" 3' 7" 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" 3' 0" 3' 4" 3' " 2' 0" 2' 8" Multiple 7' 5" 6' 6" 5' " 5' 6" 5' 2" 6' 6" 5' 8" 5' 2" 4' 0" 4' 7" 5' " 4' 5" 4' 0" 3' 9" 3' 6" 4' 0" 4' 3" 3' 0" 3' 7" 3' 2" Single 6' " 5' 4" 4' 0" 4' 6" 4' 3" 5' 4" 4' 8" 4' 3" 4' 0" 3' 9" 4' 2" 3' 8" 3' 4" 3' " 2' " 4' 0" 3' 6" 3' 2" 3' 0" 2' 0" Multiple 7' 9" 6' 9" 6' 2" 5' 9" 5' 5" 6' 9" 5' " 5' 5" 5' 0" 4' 9" 5' 3" 4' 7" 4' 3" 3' " 3' 9" 5' 0" 4' 5" 4' 0" 3' 9" 3' 7". Allowable ceiling spans are based upon effective properties. 2. Multiple span indicates two ro more equal spans with channel continuous over center support. 3. Bearing length = 0.75-inches. 4. Table values are based upon the compression flange laterally unsupported. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 0

104 Channel Properties (Hat) Furring (F) Channel Section Properties Gross Properties Effective Properties Design Yield Thickness strength, Area Weight Ix Rx Iy Ry Ix Sx Ma Va Member (in) Fy (ksi) (in2) (lb/ft) (in4) (in) (in4) (in) (in4) (in3) (ft-lb) (lb) 087F F F F F F F F F F Calculated properties are based upon AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. Minimum base metal thickness is 95% of design thickness. Design thickness used for determination of properties. 3. Effective properties are based on Fy=33ksi. For deflection calculations, use effective Ix. Effective Ix is based on Procedure of NASPEC. 4. Effective properties are given as the minimum value for positive or negative bending. Member 087F F F F F F F F F F25-43 (Hat) Furring (F) Channel Allowable Ceiling Spans L/360 Yield 4 psf 6 psf 3 psf Strength, Fy Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. (ksi) Spans Single 4' 5'' 4' 0'' 3' 6'' 3' 0'' 3' 6'' 3' '' 3' 0'' 2' 9'' 2' 5'' Multiple 5' 6'' 5' 0'' 4' 4'' 4' 9'' 4' 4'' 3' 0'' 3' 8'' 3' 4'' 2' 0'' 33 Single 5' 3'' 4' 9'' 4' 2'' 4' 7'' 4' 2'' 3' 8'' 3' 6'' 3' 3'' 2' 0'' Multiple 6' 6'' 5' '' 5' 2'' 5' 8'' 5' 2'' 4' 6'' 4' 4'' 4' 0'' 3' 6'' 33 Single 5' 5'' 4' '' 4' 3'' 4' 9'' 4' 3'' 3' 9'' 3' 8'' 3' 4'' 2' '' Multiple 6' 8'' 6' '' 5' 3'' 5' 0'' 5' 3'' 4' 7'' 4' 6'' 4' '' 3' 7'' 33 Single 5' 7'' 5' '' 4' 5'' 4' 0'' 4' 5'' 3' 0'' 3' 9'' 3' 5'' 3' 0'' Multiple 6' '' 6' 3'' 5' 6'' 6' 0'' 5' 6'' 4' 9'' 4' 8'' 4' 3'' 3' 8'' 33 Single 6' 0'' 5' 6'' 4' 9'' 5' 3'' 4' 9'' 4' 2'' 4' '' 3' 8'' 3' 3'' Multiple 7' 5'' 6' 9'' 5' '' 6' 6'' 5' '' 5' 2'' 5' 0'' 4' 7'' 4' 0'' 33 Single 6' 0'' 6' 2'' 5' 5'' 5' '' 5' 5'' 4' 9'' 4' 7'' 4' 2'' 3' 8'' Multiple 8' 5'' 7' 8'' 6' 8'' 7' 4'' 6' 8'' 5' 0'' 5' 8'' 4' 9'' 3' 8'' 33 Single 7' '' 7' 3'' 6' 4'' 6' '' 6' 4'' 5' 6'' 5' 4'' 4' '' 4' 3'' Multiple 9' 0'' 8' '' 7' 0'' 8' 7'' 7' 0'' 6' 0'' 6' 8'' 6' 0'' 5' 3'' 33 Single 8' 2'' 7' 5'' 6' 6'' 7' 2'' 6' 6'' 5' 8'' 5' 6'' 5' 0'' 4' 5'' Multiple 0' '' 9' 2'' 8' 0'' 8' 0'' 8' 0'' 7' 0'' 6' 0'' 6' 3'' 5' 5'' 33 Single 8' 6'' 7' 8'' 6' 9'' 7' 5'' 6' 9'' 5' 0'' 5' 9'' 5' 2'' 4' 6'' Multiple 0' 6'' 9' 6'' 8' 4'' 9' 2'' 8' 4'' 7' 3'' 7' '' 6' 5'' 5' 7'' 33 Single 9' 2'' 8' 4'' 7' 4'' 8' 0'' 7' 4'' 6' 4'' 6' 2'' 5' 8'' 4' '' Multiple ' 4'' 0' 4'' 9' 0'' 9' '' 9' 0'' 7' '' 7' 8'' 7' 0'' 6' ''. Allowable ceiling spans are based upon effective properties. 2. Multiple span indicates two or more equal spans with channel continuous over center support. 3. Bearing length = 0.75-inches. 02 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

105 Channel Properties Member 087F F F F F F F F F F25-43 (Hat) Furring (F) Channel Allowable Ceiling Spans L/240 Yield 4 psf 6 psf 3 psf Strength, Fy Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. (ksi) Spans Single 5' '' 4' 7'' 4' 0'' 4' 5'' 4' 0'' 3' 6'' 3' 5'' 3' '' 2' 9'' Multiple 6' 3'' 5' 8'' 5' 0'' 5' 6'' 5' 0'' 4' 3'' 4' '' 3' 6'' 2' 0'' 33 Single 6' 0'' 5' 5'' 4' 9'' 5' 3'' 4' 9'' 4' 2'' 4' '' 3' 8'' 3' 3'' Multiple 7' 5'' 6' 9'' 5' '' 6' 6'' 5' '' 5' 2'' 5' 0'' 4' 7'' 3' 9'' 33 Single 6' 2'' 5' 7'' 4' '' 5' 5'' 4' '' 4' 3'' 4' 2'' 3' 9'' 3' 4'' Multiple 7' 8'' 6' '' 6' '' 6' 8'' 6' '' 5' 3'' 5' 2'' 4' 8'' 4' 0'' 33 Single 6' 5'' 5' 0'' 5' '' 5' 7'' 5' '' 4' 5'' 4' 4'' 3' '' 3' 5'' Multiple 7' '' 7' 2'' 6' 3'' 6' '' 6' 3'' 5' 6'' 5' 4'' 4' 0'' 4' 2'' 33 Single 6' '' 6' 3'' 5' 6'' 6' 0'' 5' 6'' 4' 9'' 4' 8'' 4' 3'' 3' 8'' Multiple 8' 6'' 7' 9'' 6' 9'' 7' 5'' 6' 9'' 5' '' 5' 9'' 5' 3'' 4' 7'' 33 Single 7' 0'' 7' '' 6' 2'' 6' 0'' 6' 2'' 5' 5'' 5' 3'' 4' 9'' 4' 2'' Multiple 9' 8'' 8' 9'' 7' 6'' 8' 5'' 7' 6'' 6' 2'' 5' 0'' 4' 9'' 3' 8'' 33 Single 9' '' 8' 3'' 7' 3'' 7' '' 7' 3'' 6' 4'' 6' 2'' 5' 7'' 4' '' Multiple ' 3'' 0' 3'' 8' '' 9' 0'' 8' '' 7' 0'' 7' 7'' 6' 7'' 5' 5'' 33 Single 9' 5'' 8' 6'' 7' 5'' 8' 2'' 7' 5'' 6' 6'' 6' 4'' 5' 9'' 5' 0'' Multiple ' 7'' 0' 6'' 9' 2'' 0' '' 9' 2'' 8' 0'' 7' 0'' 7' 0'' 5' 9'' 33 Single 9' 8'' 8' 0'' 7' 8'' 8' 6'' 7' 8'' 6' 9'' 6' 7'' 5' '' 5' 2'' Multiple 2' 0'' 0' '' 9' 6'' 0' 6'' 9' 6'' 8' 4'' 8' '' 7' 4'' 6' 0'' 33 Single 0' 6'' 9' 7'' 8' 4'' 9' 2'' 8' 4'' 7' 4'' 7' '' 6' 5'' 5' 8'' Multiple 3' 0'' ' 0'' 0' 4'' ' 4'' 0' 4'' 9' 0'' 8' 9'' 8' 0'' 6' 9'' Member 087F F F F F F F F F F25-43 (Hat) Furring (F) Channel Allowable Ceiling Spans L/20 Yield 4 psf 6 psf 3 psf Strength, Fy Spacing (in) o.c. Spacing (in) o.c. Spacing (in) o.c. (ksi) Spans Single 6' 5'' 5' 0'' 5' '' 5' 7'' 5' '' 4' 5'' 4' 4'' 3' '' 3' 5'' Multiple 7' 4'' 6' 4'' 5' '' 5' '' 5' 2'' 4' 2'' 4' '' 3' 6'' 2' 0'' 33 Single 7' 7'' 6' 0'' 6' 0'' 6' 7'' 6' 0'' 5' 3'' 5' '' 4' 8'' 4' '' Multiple 9' 4'' 8' 3'' 6' 8'' 7' 9'' 6' 9'' 5' 5'' 5' 3'' 4' 7'' 3' 8'' 33 Single 7' 9'' 7' '' 6' 2'' 6' 0'' 6' 2'' 5' 5'' 5' 3'' 4' 9'' 4' 2'' Multiple 9' 7'' 8' 9'' 7' '' 8' 3'' 7' 2'' 5' 9'' 5' 7'' 4' 0'' 3' '' 33 Single 8' 0'' 7' 4'' 6' 5'' 7' 0'' 6' 5'' 5' 7'' 5' 5'' 4' '' 4' 4'' Multiple 9' '' 9' 0'' 7' 5'' 8' 8'' 7' 6'' 6' '' 5' '' 5' '' 4' '' 33 Single 8' 8'' 7' '' 6' '' 7' 7'' 6' '' 6' 0'' 5' 0'' 5' 4'' 4' 8'' Multiple 0' 9'' 9' 9'' 8' 5'' 9' 5'' 8' 5'' 6' 0'' 6' 7'' 5' 9'' 4' 8'' 33 Single 9' 0'' 8' '' 7' 0'' 8' 7'' 7' 0'' 6' 0'' 6' 8'' 6' 0'' 5' 3'' Multiple 0' 8'' 9' 3'' 7' 6'' 8' 8'' 7' 6'' 6' '' 5' 0'' 4' 5'' 2' '' 33 Single ' 6'' 0' 5'' 9' '' 0' 0'' 9' '' 7' '' 7' 9'' 7' 0'' 6' 2'' Multiple 3' 9'' ' '' 9' 8'' ' 2'' 9' 8'' 7' '' 7' 7'' 6' 7'' 5' 4'' 33 Single ' 0'' 0' 9'' 9' 5'' 0' 4'' 9' 5'' 8' 2'' 8' 0'' 7' 3'' 6' 4'' Multiple 4' 7'' 2' 7'' 0' 3'' ' '' 0' 3'' 8' 4'' 8' '' 7' 0'' 5' 8'' 33 Single 2' 3'' ' '' 9' 8'' 0' 8'' 9' 8'' 8' 6'' 8' 3'' 7' 6'' 6' 7'' Multiple 5' '' 3' 3'' 0' 9'' 2' 6'' 0' 0'' 8' 0'' 8' 6'' 7' 4'' 6' 0'' 33 Single 3' 3'' 2' '' 0' 6'' ' 7'' 0' 6'' 9' 2'' 8' '' 8' 2'' 7' '' Multiple 6' 5'' 4' '' 2' 2'' 4' 2'' 2' 3'' 9' '' 9' 7'' 8' 4'' 6' 9''. Single spans taken as the minimum span based on moment, shear, web crippling or deflection. 2. Multiple span indicates two or more equal, continuous spans with span length measured support to support. 3. Multiple spans taken as minimum span based on moment, shear, web crippling, deflection combined bending and shear or combined bending and web crippling. 4. Web crippling values based upon -inch bearing at end and interior supports. Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 03

106 Fasteners (Screws and Welds) Screw Table Notes. Allowable screw connection capacities are based upon section E4 of the AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. When connecting materials of different steel thicknesses or tensile strengths, use the lowest values. Tabulated values assume two sheets of equal thickness are connected. 3. Screw shear and tension capacities were developed using published screw manufacturer data and evaluation reports available at the time of publications. 4. A nominal shear stress of ksi and a nominal tension stress of ksi were used for calculations based on screw manufacturer data. 5. Screw capacities are based upon Allowable Strength Design (ASD) and include safety factor of When multiple fasteners are used, screws are assumed to have a center-to-center spacing of at least 3 times the nominal diameter (d). 7. Screws are assumed to have a center of screw to edge of steel dimension of at least.5 times the nominal diameter (d) of the screw. 8. Tension capacity is based upon the lesser of pullout capacity in sheet closest to screw tip, or pullover capacity for sheet closest to screw head (based upon head diameter). 9. Note that for all tension values calculated in screw table, pullover values have been reduced by 50%, assuming eccentrically loaded connections that produce a non-uniform pullover force of the fastener. 0. Screw capacities are governed by a conservative estimate of screw capacity, not by sheet steel failure.. For higher screw capacities, especially for screw strength, use specific screws from specific manufacturers. See manufacturers data for specific allowable values and installation instructions. Thickness (Mils) Yield Strength, Fy (ksi) Allowable Screw Connection Capacity (Pounds per Screw) Tensile Strength, Fu (ksi) # 6 Screw # 8 Screw # 0 Screw # 2 Screw /4" Screw (0.38" Dia, 5/6" Head) (0.64" Dia, 5/6" Head) (0.90" Dia, 0.340" Head) (0.26" Dia, 0.340" Head) (0.250" Dia, 0.409" Head) Shear Tension Shear Tension Shear Tension Shear Tension Shear Tension Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

107 Fasteners (Screws and Welds) Weld Table Notes. Allowable weld capacities are based upon section E2.4 (for fillet welds) and E2.5 (for flare groove welds) of the AISI S00-07, North American Specification for the Design of Cold-Formed Steel Structural Members. 2. When connecting materials of different steel thicknesses or tensile strengths, use the lowest values. 3. Weld capacities are based upon Allowable Strength Design (ASD) and include appropriate safety factors. 4. Weld capacities are based upon either 3/32 or /8 diameter E60 or E70 Electrodes. For thinner materials, to diameter wire electrodes may provide best results. 5. Parallel capacity is considered to be loading in the direction of the weld. 6. For flare groove welds, the effective throat of the weld is conservatively assumed to be less that 2t. Thickness (Mils) Design Thickness Allowable Weld Capacity (Pounds) for -inch of Weld Fy: Yield (ksi) Fu: Tensile (ksi) Fillet Welds Flare Groove Welds Parallel Perpendicular Parallel Perpendicular Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 05

108 Typical Details 06 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

109 Typical Details Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC). 07

110 08 Complies with the 2009 International Building Code (IBC) and 2007 North American Specification for the Design of Cold-Formed Steel Structural Members (NASPEC).

111 CODE COMPLIANCE CERTIFICATION PROGRAM SFIA developed, supported an industry support Code Compliance Certification Program endorsed by the Association of the Wall and Ceiling Industry. The program is accessible to all manufacturers to certify that structural and nonstructural cold-formed steel framing they produce complies with the IBC 2009 code requirements. Structural and nonstructural cold-formed steel framing certification is administered and audited by an independent third party testing agency meeting IAS AC98 requirements and demonstrating compliance with ISO/IEC Standard The validation process includes a minimum of two unannounced manufacturing audits per year of each facility operated by a manufacturer, as well as on-going random selection and independent testing of certified cold-formed steel framing products. Manufacturing facilities that satisfy the requirements for certification are authorized to label structural and nonstructural cold-formed steel framing members they produce as certified code compliant. The list of manufacturing facilities with certification authorization stays current by being updated as changes occur and can be found at

112 The SFIA is the first and only all inclusive association focused on promotion, advocacy, education and innovation for the steel framing industry. The primary goal is to unify the industry to expand the market for cold formed steel framing. Membership categories include steel mills, coil coaters, processors, roll formers, fabricators, engineers, material distributors; all the way through and including the end user, the framing contractors. 53 West Broad Street, Suite 20 Falls Church, VA Phone: Fax: Version 20.0