Products / All Weather SBS #85 GM Fiberglass

A mineral-granule-surfaced SBS (Styrene-Butadiene-Styrene) modified bitumen cap sheet on a fiberglass mat in U.S. Ply's All Weather line. It is the cap ply of multi-ply roof systems or of hybrid BUR and modified bitumen assemblies, applied with hot asphalt or modified bitumen cold adhesive. The data sheet lists a 3.4 mm (135 mil) thickness, 85 lb rolls of 39-3/8 in x 32 ft 9 in (100 sq ft gross), and ASTM D3909.