CertainTeed's waterproofing shingle underlayments are applied under roof shingles during new construction or re-roofing to protect your home’s interior from winter leaks caused by ice dams and wind-driven rain.

FelTex® premium synthetic roof underlayment, is among the safest, strongest, and best-performing roof underlayments on the market.

Georgia-Pacific's high-performance gypsum roof boards are built for increased strength in low slope roof applications.

Henry® Blueskin® RF200 is an SBS modified bitumen roofing membrane underlayment reinforced with a superior skid-resistant polyolefin surface film.

Trust Henry for all your roofing needs. Backed by more than 80 years of continuous building product improvements.

For a roof to last, your roofing system must include protection from wind-driven rain.

TYPAR® weather-resistant barriers bring superior strength and intelligence to the task of defending walls and roofs from water, air, and damaging rays.

Protect roofs from water with DuPont Tyvek® synthetic roofing underlayment, engineered to deliver superior performance.