Products / GenFlex SBS SA Base

GenFlex SBS SA Base is a self-adhered SBS modified bitumen base ply membrane with a reinforced fiberglass mat, for low-slope roofing. It is 80 mil thick and supplied in 2-square rolls with 200 sq ft net coverage, and meets or exceeds ASTM D6163 Type I Grade S. It is applied by removing the release film over approved substrates, with 6 in end laps and 3 in side laps, then rolled with a 75 lb minimum roller.