VapAir Seal 725 TR is a 40-mil composite consisting of 35 mils of self-adhering rubberized asphalt laminated to a 5-mil woven polypropylene film.
SureMB Vented Base Sheet is a heavyweight venting base sheet constructed from a fiberglass mat coated with weathering-grade asphalt.
SureMB 90 Base Ply is a premium SBS-modified asphalt base sheet that can be used wherever the specification calls for a membrane base ply in conjunction with a cap sheet of VersiFleece AC TPO or KEE HP FRS.