This TRI-BUILT® Self Adhering Underlayment has a granular surface and is slip-resistant. Install under new shingles to prevent interior leaks. Product is self sealing around roofing nails.

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.