TRI-BUILT® Self-Adhered Base Sheet membranes are premium, self-adhered elastomeric base ply roofing products, manufactured using patented Dual-Compound Self-Adhesive technology, whereby a "true" polymer modified asphalt compound is applied on the top layer and an aggressive self-adhesive compound is applied on the bottom layer. TRI-BUILT® Self-Adhered Base Sheet membranes are built with a high performance reinforced fiberglass mat to guarantee excellent dimensional stability.

TRI-BUILT® Self-Adhered Base Sheet membranes are finished with a polyolefin film with laylines on the top surface and a split release film on the bottom surface.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.