Products / StressBase 80 / StressBase 120

Fiberglass-reinforced SBS rubber-modified base sheets in a high penetration index asphalt, used as a nailable base sheet, as a base flashing in hot- and cold-applied systems, or as an interply in two- or three-ply modified systems and three- or four- ply built-up roofs. Offered as StressBase 80 (80 mil nominal) and StressBase 120 (120 mil nominal). The finished membrane meets or exceeds the performance criteria of ASTM D 6163 Type I, and the data sheet states it meets CSA 123.23.