Page 293 - ZSi-Foster Product Catalog

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Cush-A-Block Rooftop Supports

Finishes: Pre-galvanized (PG) or Hot Dipped Galvanized (HG)

CBN-RB Series
Introduction
Support With Raised Bridge Medium Support

Strut
10"
Width 254mm Channel

Channel Nuts & Hardware
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Total
Width
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10 ⁄2"
1
267mm
Raised Bridge Medium Support with 2 CBN Bases & General Fittings
5
1- ⁄8" (41mm) Pre-Galv or Hot Dip Galv. Steel Channel
The CBN-RB Medium Rooftop Supports can support natural gas and Part Total Uniform Load
refrigeration piping systems, cable tray, electrical conduit, multiple lines, No. Width Strut Width Lbs (kN)*
HVAC equipment and many other applications. They are designed for
12"
3,000 *
rooftop applications requiring a heavier load bearing capacity, and are CBN1RB 18.65" (474mm) (305mm) (13.34 kN) Brackets
suitable for most types of roofing material or other flat surfaces. Custom
lengths are available upon request. CBN2RB 30.65" (779mm) 24" 1,500 *
(610mm) (6.67 kN)
Standard strut mount pipe clamps are used to secure the pipes. * This load is only for the capacity of the components in this assembly.
Please consult roofing manufacturer or engineer for roof load capacity. Beam Clamps

Pipe & Conduit Supports
CBN-RB Series
Support With Raised Channel Heavy Support

Strut
Width
16" Electrical Fittings
407mm

Spring Steel

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Concrete Inserts

Total
Width Raised Bridge Heavy Support with 2 CBN Bases &
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1
10 ⁄2" 1
267mm 3- ⁄4" (83mm) Back-to-Back Pre-Galv or Hot Dip Galv. Steel Channel
Total Strut Uniform Load
Part No. Rooftop Supports
Width Width Lbs (kN)*
The CBN-RB Heavy Rooftop Supports is designed for rooftop
applications requiring a heavier load bearing capacity. It is suitable CBN3RB 30.65" (779mm) 24" (610mm) 2,500†* (15.56 kN)
for most types of roofing material or other flat surfaces. Custom CBN4RB 42.65" (1.1m) 36" (914mm) 2,500†* (14.45 kN)
lengths are available upon request. * This load is only for the capacity of the components in this assembly. Technical
† Beam load is limited by weld shear Data
Standard strut mount pipe clamps are used to secure the pipes. Please consult roofing manufacturer or engineer for roof load capacity.
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