TRI-BUILT® Self Adhering HT Underlayment is a SBS modified bitumen high temperature roofing underlayment reinforced with a textured skid-resistant polyethylene film. The membrane is specifically designed to be self-adhered on sloped roof surfaces as secondary seal under metal, shingles, or tile.

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.