Products / USP Base Sheet

USP Base Sheet is a heavyweight fiberglass-mat base sheet saturated with non-filled asphaltic bitumen, made as a replacement for coated organic base felts, for mechanically attached, hot mopped, cold adhesive and torch applied roofing specifications that call for an ASTM D-4601 Type I/II base sheet. The product data sheet lists a 108 foot by 36 inch roll of 3 squares (324 square feet) weighing 80 lbs, classifies it as a Fiberglass BUR Roof Membrane, UL Type G2, and states it is UL Classified R11662, Factory Mutual Approved, listed with the Florida Building Code as FL-5305, FL-8077 and FL-14405, and Miami-Dade approved.