Cush-A-Block® CBM Series is offered with two metal channel options:

• 1-5/8" x 13/16" (CBM1S)
• 1-5/8" x 1-5/8" (CBM1D)

Uniform load capacity for both channel options is 400 lbs. (1.78 kN).
This load is only for the capacity of the components in this assembly. Please consult roofing manufacturer or engineer for roof load capacity.