“JR” – J-RUNNER, 23 MIL AND 34 MIL
Geometric Properties
“JR” J-Runners are fabricated in web depths of 2-1/2”, 4”, and 6”with a short leg of 1”, and a long leg of
2”. All J-Runners manufactured by CEMCO are produced from hot-dipped galvanized steel in standard G40
coating. G60 is available upon special request.
Steel Thickness
Mil thickness
23
Design Thickness (in.)1
0.0239
Minimum Thickness (in.)1,2
0.0227
34
0.0359
0.0341
1) Uncoated Steel Thickness. Thickness is for carbon sheet steel
2) Minimum Thickness represents 95% of the design thickness and is the minimum acceptable thickness
delivered to the job site, based on Section A3.4 of the 2001 AISI specification with 2004 AISI supplement.
Color Code (painted on ends)
23 mil: None
34 mil: White
ASTM & Code Standards
■
645, A653
■
AER-09038
■
2009 IBC
LEED Points and Recycled Content
By using CEMCO steel framing products, your project can contribute to earning points for:
■
LEED MR 2.1 & 2.2 – Construction Waste Management: up to 2 points.
■
LEED MR 4.1 & 4.2 – Recycled Content: up to 2 points.
■
LEED MR 5.1 & 5.2 – Regional Proximity to project site.
CEMCO cold-formed steel framing products
contain 30% to 35% recycled steel.
n
■
Total
Content: 32.9%
35%
Total Recycled
recycled content:
n
■
Post-Consumer
Post-Consumer:Content:
25.6% 19.8%
■
n
Pre-Consumer:Content:
6.8% 14.4%
Pre-Consumer
Technical Services
Contact Technical Services at 800.416.2278 for specific information
or email to techservices@cemcosteel.com