Products / POWERply SBS Base HW

Tremco's smooth-surfaced, polyester/fiberglass reinforced SBS modified bitumen base sheet, furnished with a sanded top surface and a burn-off polyethylene sheet laminated to the underside for hot-air heat welded (torch-applied) multi-ply roof and flashing systems. The product data sheet states it exceeds ASTM D6162 Type III.