Products / DerbiBase SA Ultra

DerbiBase SA Ultra is a polyester reinforced SBS modified bitumen self- adhered base sheet with mineral surfacing for bonding to heat welded inter- ply or cap sheets and a split-film release. The data sheet lists a thickness of 106 mil (2.7 mm) and a roll 49.2 ft long and 39.4 in wide weighing 103 lb for 147.6 square feet of net coverage, packaged 20 rolls per pallet. The product page lists ASTM D6164 Type I, Grade S.