Paradiene 20 HT SA is a modified bitumen base ply designed for use in multi-layer modified bitumen roofing. Paradiene 20 HT SA consists of glass fiber reinforcement impregnated and coated with styrene-butadiene-styrene (SBS) modified bitumen. Top surfacing is silica parting agent. Back surfacing is a release film that is removed during application. Paradiene 20 HT SA contains a self-adhesive bitumen layer that is exposed and contacted during application; refer to manufacturer for product uses and application details.
Product has met specification requirements of ASTM D6163 Type II Grade S.