TRI-BUILT® SYNTHETIC PLUS Premium Synthetic Roof Underlayment is a synthetic roof-deck protection designed and manufactured to replace asphalt saturated 30# felt in sloped roof system construction where toughness and longer exposures may be required.

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.