Products / CertainTeed Flintlastic Ultra Glass SA

Self-adhered, fiberglass-reinforced SBS-modified bitumen base sheet for low-slope residential and commercial roofs with non-self-adhering cap sheets. It is 3.0 mm (120 mils) thick, weighs 72 lbs per roll and covers one square. CertainTeed lists it as meeting ASTM D6163 Grade S Type I and ASTM D1970.