VI-20 GEOMEMBRANE High-Performance Vapor Intrusion Barrier - Technical Data Sheets
VI-20 is a 7-layer co-extruded geomembrane made using high quality virgin-grade polyethylene and EVOH resins that provide unmatched impact strength as well as superior resistance to VOC vapor transmission. EVOH technology serves as a highly resilient underslab and vertical wall barrier designed to restrict methane, radon and other harmful ...