Products / DynaLastic 180 FR

DynaLastic 180 FR is a fire-retardant, polyester-reinforced SBS modified bitumen mineral-surfaced cap or flashing sheet that may be installed in Type IV asphalt or an approved JM adhesive. The data sheet (RS-4107, 6-24) says it meets ASTM D6164 Type I Grade G and prints a thickness of 157 mil and a roll about 1 m wide by 10 m long covering 95.8 square feet at 101 lb, made in South Gate, California, Macon, Georgia and Plattsburgh, New York. Colours are white, black, tan and a 3M smog- reducing granule; the standard white granule has 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.