Products / BURmastic Glass Ply

Tremco's coated fiberglass ply sheet for built-up roofing, consisting of a fiberglass membrane saturated with waterproofing asphalt. It is used as a ply sheet in cold-applied built-up roof systems over rigid insulation or base sheets, or as a hot- or cold-applied base sheet, and is sold by the pallet in 36-inch-wide rolls covering 200 square feet each. The product data sheet states it exceeds ASTM D4601 Type II and directs installers to the UL Roofing Materials and Systems Directory and/or FM Approvals RoofNav for applicable system configurations.