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Technical Data Gamma Pads Rooftop Supports Concrete Inserts Beta Clamps & Z-Clamps Loop & Ring Clamps Spring Steel Electrical Fittings Pipe & Conduit Supports General Fittings Channel Nuts & Hardware Channel IntroductionZSi-Foster Engineering Catalog – 231 –WARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer, and which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.Cush-A-Block® Rooftop SupportsStandard Finish: Pre-galvanized (PG) or Hot Dipped Galvanized (HG)CBN-EX SeriesSupport With Raised Channel CBN8EX,CBN12EXCBN16EXCBN-BR Extension Rooftop Supports are perfect for supporting natural gas and refrigeration piping systems, cable tray, electrical conduit, multiple lines, HVAC equipment and many other applications. Standard strut mount pipe clamps are used to secure the pipes. Custom lengths are available upon request.24\610mm16\406mm1-5⁄8\41mmStrut24-1⁄2\622mm5\127mmWWW.ZSI-FOSTER.COMWWW.ZSI-FOSTER.COMHeight10\254mm5\127mm10-1⁄2 \267mm13⁄16\ 21mm Strut3⁄8\10mmRodWWW.ZSI-FOSTER.COMCBN-EX Extension Series Support with 3⁄8\Extension and Pre-Galv. or Hot Dip Galv. Steel ChannelPart No. No. of Bases Height StrutSizeUniform Load Lbs (kN) *CBN8EX 1 8\13⁄16\ (21mm)1,000 * (4.44 kN)CBN12EX 1 12\1,000 * (4.44 kN)CBN16EX 2 16\1-5⁄ 8\2,000 * (8.89 kN)* This load is only for the capacity of the components in this assembly. Please consult roofing manufacturer or engineer for roof load capacity.