Page 292 - ZSi-Foster Product Catalog

®
Cush-A-Block Rooftop Supports

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

CBN-PRB Series
Support With Pipe Roller

The CBN-PRB Rooftop Supports are designed for superior support of
natural gas and refrigeration pipes. The roller allows for longitudinal
movements of the pipe. This support is suitable for most types of roofing
material or other flat surfaces.

10"
254mm

7
7- ⁄8"
200mm

Pipe
Size
1
10 ⁄2"
267mm 5"
127mm

Pipe
Size

A
A
Height
Height

5
CBN-PRB Roller-Series with 1- ⁄8" (41mm)
Pre-Galv or Hot Dip Galv. Steel Channel with Rollers
Pipe Size Uniform Load
Part No. Height A
(O.D.) Lbs (kN)*
1" 8.707" (221mm)
1
1- ⁄2" 9.008" (229mm)
2" 9.252" (235mm)
1
2- ⁄2" 9.509" (242mm) 1.594" (40mm)
3" 9.831" (250mm) 2,500 *
CBNPRB
4" 10.345" (263mm) (11.12 kN)
6" 11.437" (291mm)
8" 12.323" (313mm) 1.000" (25mm)
12" 14.384" (365mm) 0.750" (19mm)
18" 16.904" (429mm) 0" (0mm)
* This load is only for the capacity of the components in this assembly.
Please consult roofing manufacturer or engineer for roof load capacity.

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