Page 97 - Florida-Strut-Catalog-2021

Cush-A-Block® Rooftop Supports Finishes: Pre-Galv. (PG) or Hot Dipped Galv. (HG)
A ZSi-Foster Company
CBN Series
Plain Base
New Item
4-3⁄16"
106mm
10"
254mm
7-3⁄8"
187mm
10-1⁄2"
267mm
Note: The embedded fasteners are conveniently spaced to allow attachment of slotted channel .
5"
127mm
CBN-Base Series
Part No .
Weight Lbs (Kg)
Uniform Load Capacity Lbs (kN)*
CBN
3 .2 (1.4Kg)
2,500 * (11.12 kN)
* This load is only for the capacity of the components in this assembly . Please consult roofing manufacturer or engineer for roof load capacity .
The CBN-Base Rooftop Support is UV resistant and suitable for installation on most types of roofing material or other flat surfaces. Can be used as a curb (sleeper) replacement . Screw fasteners can be used to attach one or two hole pipe straps or a piece of strut (not included) .
CBN-BR Bridge Series
Support With Channel
New Item 5-5⁄8"
143mm
Strut Length
Total Length
CBN-BR Bridge Series Supports
with 1-5⁄8" (41mm) Pre-Galv . or Hot Dip Galv . Steel Channel
Part No .
Strut Length
Total Length
Weight Lbs (Kg)
Uniform Load Lbs (kN)*
CBN28BR
28" (711mm)
28-1⁄2" (724mm)
10 .8 (4.8Kg)
1,491* (6.63 kN)
CBN36BR
36" (914mm)
36-1⁄2" (927mm)
12 .0 (5.4Kg)
1,160* (5.15 kN)
CBN42BR
42" (1m)
42-1⁄2" (1.08m)
12 .9 (5.8Kg)
994* (4.42 kN)
CBN50BR
50" (1.2m)
50-1⁄2" (1.28m)
14 .1 (6.4Kg)
835* (3.71 kN)
CBN60BR
60" (1.5m)
60-1⁄2" (1.54m)
15 .6 (7.1Kg)
696* (3.09 kN)
* This load is only for the capacity of the components in this assembly . Please consult roofing manufacturer or engineer for roof load capacity .
Total = Strut + 1⁄2" ()()()
5"
Length Length 13mm
Like all of the Cush-A-Block supports, the CBN-BR Bridge Rooftop Supports are perfect for supporting natural gas and refrigeration piping systems, cable tray, electrical conduit, multiple lines, HVAC equipment and many other applications .
The CBN-BR Series provides a longer mounting surface with strut lengths up to 60" (1.5m) . Custom lengths are available upon request .
Standard strut mount pipe clamps are used to secure the pipes .
Florida Strut Engineering Catalog
– 97 –
127mm
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.
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