Products / LASTOBOND REINFORCED HT

LASTOBOND REINFORCED HT is a self-adhesive SBS-modified bitumen roof underlayment that SOPREMA rates for exposure from 257 F (125 C) down to -49 F (-45 C). It is used under sheet metal and asphalt shingle coverings on steep- slope roofs over plywood or OSB, and is applied self-adhered or with a heat roller. The product page shows Texas Department of Insurance, UL, Florida Building Code and Miami-Dade County marks. A SOPREMA SELECT LASTOBOND REINFORCED HT version is listed with ASTM D1970.