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ZSi-Foster
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Like all of the Cush-A-Block supports, the CBN Series 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 Series Rooftop Supports provide a longer mounting surface with strut lengths up to 46-3/8".

The CBN Series Rooftop Supports are UV resistant and suitable for installation on most types of roofing material or other flat surfaces.

Roof supports come pre-assembled

CBN-6-24 shown with two bases

Specifications - CBN Series Rooftop Supports

  • Cush-A-Block Support with: 13/16" Channel, or
    Cush-A-Block Support with: 1-5/8" Channel, or
    Cush-A-Block Support with: 2-7/16" Channel
  • Material - 100% recycled rubber, UV resistant
CBN_13-16_Strut


CBN-Support With 13/16" Pre-Galv. Steel Channel

Part
No.
Bases Strut
Len.
Total
Len.
Wt.
(Lbs)
Uniform
Load
(Lbs)*
CBN1S 1 9.312" 10-7/8" 5.62 2,500 *
CBN2S 2 22.375" 24" 11.56 5,000 *
CBN3S 3 34.375" 36" 17.41 7,500 *
CBN4S 4 46.375" 48" 23.25 10,000 *
* This load is only for the capacity of the components in this assembly.
Please consult roofing manufacturer or engineer for roof load capacity


CBN-Support With 1-5/8" Pre-Galv. Steel Channel

Part
No.
Bases Strut
Len.
Total
Len.
Wt.
(Lbs)
Uniform
Load
(Lbs)*
CBN1D 1 9.312" 10-7/8" 6.26 2,500 *
CBN2D 2 22.375" 24" 13.10 5,000 *
CBN3D 3 34.375" 36" 19.77 7,500*
CBN4D 4 46.375" 48" 26.44 10,000 *
* This load is only for the capacity of the components in this assembly.
Please consult roofing manufacturer or engineer for roof load capacity


CBN Support With 2-7/16" Pre-Galv. Steel Channel

Part
No.
Bases Strut
Len.
Total
Len.
Wt.
(Lbs)
Uniform
Load
(Lbs)*
CBN1RD 1 9.312" 10-7/8" 6.69 2,500 *
CBN2RD 2 22.375" 24" 14.13 5,000*
CBN3RD 3 34.375" 36" 21.35 7,500 *
CBN4RD 4 46.375" 48" 28.58 10,000 *
* 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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