Products / SOPRAFIX BASE 622

SOPRAFIX BASE 622 is an SBS-modified bitumen base ply made for mechanical attachment to approved roof decks. It is reinforced with a non-woven polyester mat coated on both sides with SBS polymer-modified bitumen, and both faces are sanded. SOPREMA lists it to ASTM D6164 Type I Grade S, and the product page shows UL, FM Approvals, Florida Building Code and Miami-Dade County marks.