TRI-BUILT® Smooth Seal HT Underlayment is a SBS modified bitumen membrane reinforced with a fiberglass mat. The self-adhesive underface is covered with a split back silicone release film. The top face is composed of a non-slip plastic surface.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. Al concentrarse en el contratista profesional, TRI-BUILT® se ha convertido en un líder reconocido y de confianza en la industria de la construcción. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.