Paradiene 40 FR BW is a modified bitumen cap ply designed for use in multi-layer modified bitumen roofing. Paradiene 40 FR BW consists of glass fiber reinforcement impregnated and coated with styrene-butadiene-styrene (SBS) modified bitumen. Top surfacing is mineral granules. Back surfacing is silica parting agent. Paradiene 40 FR BW can be applied in approved ASTM D312 Type IV hot-applied mopping asphalt or approved cold process adhesives; refer to manufacturer for product uses and application details.
Product has met specification requirements of ASTM D6163 Type II Grade G.