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Copyright © 2011  Page 1 of 3 
1000 
ICC-ES Evaluation Report
  ESR-1166P 
Reissued August 1, 2011 
  This report is subject to renewal in two years. 
www.icc-es.org | (800) 423-6587 | (562) 699-0543  A Subsidiary of the International Code Council 
®
DIVISION: 05 00 00—METALS 
Section: 05 40 00—Cold-Formed Metal Framing 
Section: 05 41 00—Structural Metal Stud Framing 
Section: 05 42 00—Cold-Formed Metal Joists Framing 
DIVISION: 09 00 00—FINISHES 
Section: 09 22 16.13—Non-Structural Metal Stud Framing 
REPORT HOLDER: 
CLARKDIETRICH™ BUILDING SYSTEMS 
9100 CENTRE POINTE DRIVE, SUITE 210 
WEST CHESTER, OHIO 45069 
(513) 870-1100 
www.clarkdietrich.com 
info@clarkdietrich.com
michael.kerner@clarkdietrich.com
EVALUATION SUBJECT: 
CLARKDIETRICH™ HEAVY DUTY STUD (HDS
®
), 
C-SECTIONS, AND TRACKS 
1.0 EVALUATION SCOPE 
Compliance with the following codes: 
 2006 International Building Code
®
 (IBC) 
 2006 International Residential Code
®
 (IRC) 
Property evaluated: 
Structural 
2.0 USES 
The HDS
®
, C-sections, and tracks are used for joists, 
rafters, nonload-bearing interior walls, curtain walls, and 
load-bearing walls. 
3.0 DESCRIPTION 
3.1 General: 
The HDS
®
, C-sections, and tracks recognized in this report 
are factory-formed from coils of steel at the ClarkDietrich™ 
Metal Framing facilities noted in Table 2. 
The HDS
®
 and C-sections are manufactured with and 
without web punch-outs. When provided, the punch-outs 
have a width of 1
1
/
2
 inches (38 mm) and a length of 
4 inches (102 mm) in members with a depth of 3
1
/
2
 inches 
(89 mm) or greater. In C-sections with a depth of 
2
1
/
2
 inches (64 mm), punch-outs have a width of 
3
/
4
 inch 
(19 mm) and a length of 4 inches (102 mm). The punch-
outs are spaced a minimum of 24 inches (610 mm) on 
center and have a minimum distance between the end of 
the member and the near edge of the punch-out of 
10 inches (254 mm). 
The HDS
®
, C-sections, and tracks are detailed in the 
Dietrich Industries catalogue entitled “Cold-Formed 
Structural Framing Products Technical Guide,” copyrighted 
2009, which is distributed with this report. The following 
tables from the catalogue are part of this report: 
Notes ...................................................................... page 6 
Wall Stud & Floor Joist Section 
Properties .......................................................pages 10–17 
Track (Runner) Section Properties .................pages 18–25 
Web Crippling and Shear Values ....................pages 26–31 
Exterior Light-Gauge Limiting Wall 
Heights ............................................................pages 32–41 
Note:  Exterior walls must be designed for a transverse 
load of no less than 10 psf (478 Pa). 
Combined Axial and Lateral Load Tables for Exterior Wall 
Studs...............................................................pages 42–51 
Note:  Exterior walls must be designed for a transverse 
load of no less than 10 psf (478 Pa). 
Unbraced Axial Load Tables ...........................pages 52–55 
Heavy Duty Studs (HDS
®
) Section 
Properties .......................................................pages 60–61 
HDS
®
 Limiting Wall Heights ............................pages 62–63 
Note: HDS
®
 limiting wall heights for 5 psf (239 Pa) 
transverse loads are applicable to interior walls 
only. Limiting heights for 15 psf (717 Pa) and 
greater are applicable to exterior walls only. 
HDS
®
 Combined Axial & Lateral Load 
Tables .............................................................pages 64–67 
Note:  Axial load tables for 5 psf (239 Pa) lateral loads 
are limited to interior wall applications. Axial 
load tables for 15 psf (717 Pa) lateral loads and 
greater are limited to exterior wall applications. 
Floor Joist Span Tables ..................................pages 68–87 
All other pages in the “Cold-Formed Structural Framing 
Products Technical Guide” catalogue are outside the 
scope of this report. 
The inside bend radius of all members is based on 
thickness and is as follows: 




