Products / GenFlex SBS Cap

GenFlex SBS Cap is a white granule-surfaced SBS modified bitumen cap sheet reinforced with a 190 g/m2 non-woven polyester mat enhanced with continuous fiberglass yarns. Rolls are 39.4 in x 33 ft 6 in (98 sq ft net coverage), with a typical thickness of 155 mil. It meets or exceeds ASTM D6164 Type I Grade G and is installed in GenFlex-approved hot asphalt or Multi-Purpose MB Cold Adhesive as the top ply of an SBS system. The data sheet gives an initial SRI of 33 for the standard white sheet.