The white cap sheet on this coldapplied modified bitumen roof assembly
Roof Cap Sheet. Web a cap sheet is the topmost layer in a roofing membrane system, designed to protect buildings from weather elements.
Web a cap sheet is the topmost layer in a roofing membrane system, designed to protect buildings from weather elements.
Web a cap sheet is the topmost layer in a roofing membrane system, designed to protect buildings from weather elements. Web a cap sheet is the topmost layer in a roofing membrane system, designed to protect buildings from weather elements.