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Cush-A-Block Rooftop Raised Bridge Supports
Sizes and Pricing   

The CBN-RB Medium Rooftop Supports can support natural gas and refrigeration piping systems, cable tray, electrical conduit, multiple lines, HVAC equipment and many other applications. They are designed for rooftop applications requiring a heavier load bearing capacity, and are suitable for most types of roofing material or other flat surfaces.

Specifications - CBN-RB Rooftop Supports

  • Two Cush-A-Block bases with 1-5/8" Strut, or
    3-1/4" back-to-back Strut

  • Material - 100% recycled
    rubber, UV resistant

The CBN-RB Heavy Rooftop Supports is designed for rooftop applications requiring a heavier load bearing capacity. It is suitable for most types of roofing material or other flat surfaces.

Specifications - CBN-RB Rooftop Supports

  • Two H-Block bases with 1-5/8" Channel, or
    3-1/4" back-to-back Channel

  • Material - 100% recycled rubber, UV resistant



CBN Medium Duty Raised Bridge
w/2 CBN Bases 1-5/8" Pre-Galv Steel Channel
Model No. Base
Width
Strut
Width
Weight
(Lbs)
Uniform
Load
(Lbs)*
CBN1RB 18-5/8" 12" 19.4 3,000 *
CBN2RB 30-5/8" 24" 21.9 1,500 *

*This load is only for the capacity of the
assembly components

Consult roofing manufacturer or engineer for
roof load capacity

CBN Heavy Duty Raised Bridge Length W/2 CBN Bases
and 3-1/4" Back-to-Back Pre-Galv Steel Channel
Model No. Base
Width
Strut
Width
Weight
(Lbs)
Uniform
Load
(Lbs)*
CBN3RB 30-5/8" 24" 30.8 3,500 *
CBN4RB 42-5/8" 36" 34.3 3,250 *

*This load is only for the capacity of the
assembly components

Consult roofing manufacturer or engineer for
roof load capacity


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