Products / All Weather APP #85 GM Fiberglass

A mineral-granule-surfaced APP (Atactic Polypropylene) modified bitumen cap sheet on a fiberglass mat in U.S. Ply's All Weather line, applied by torch. It is the cap ply of multi-ply roof systems or of hybrid BUR and modified bitumen assemblies. 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.