Products / DynaWeld Cap 250

DynaWeld Cap 250 is a heavy polyester-reinforced SBS modified bitumen cap or flashing sheet surfaced with ceramic-coated granules, installed by heat welding. The data sheet (RS-4246, 6-23) says it meets ASTM D6164 Type II Grade G, prints a thickness of 165 mil, and a roll about 1 m wide by 10 m long covering 95.8 square feet at 115 lb, made in Macon, Georgia, in white with an initial solar reflectance index of 29 (26 aged). It lists a Peak Advantage guarantee of up to 30 years in most 2 to 5 ply JM SBS systems.