Products / HPR Torch Base Sheet

120 mil SBS base sheet formulated to accept torch heat, with a burnable polypropylene backer, used as the underlayment ply for Garland torch-applied APP or SBS membranes so a torch system can be installed with one underlayment ply and no kettle; it is not for use with hot asphalt. Supplied in 1 m by 34 ft. 8 in. rolls covering 100 sq. ft. The finished membrane meets or exceeds ASTM D 6163 Type III.