TRI-BUILT® Underlayment is a high strength woven synthetic roof underlayment that can save you 50% in labor & time expense. TRI-BUILT® Underlayment is stronger and more durable than Type 30# felt.

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.