TRI-BUILT® Spec Grade is a 100% synthetic woven roof underlayment offering high tear strengths, a proprietary walking surface and most important a green solution to today's ecological building technology. TRI-BUILT® Spec Grade is the GREEN answer to #15 asphaltic felt paper.
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.