We are GAP, we are family owned, and roofing runs in our blood.

GacoRoof 100% Silicone Roof Coating is designed to seal and repair existing roofs and permanently protect against leaks, permanent ponding water, and the damaging effects of severe weather.

GAF's LIBERTY™ Self-Adhering Roofing Systems are applied without torches, open flames, hot asphalt, or solvent-based adhesives and are suitable for many primed substrates.

GAF has grown to become North America’s largest manufacturer of commercial and residential roofing.

The TruSlate® system from GAF can make your dream of owning ­a genuine slate roof a reality.

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

Grip-Rite coatings and sealants offer maximum protection designed to repair, seal, bond, coat or patch any roof project.

Grip-Rite ShingleLayment is the only roofing underlayment with the high performance of a synthetic underlayment, and the finished look of a shingled roof.

Grip-Rite® modified bitumen membranes are manufactured from formulas using only the highest quality materials, to meet or exceed, industry standards.

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.

Homasote roof decking panels are designed for use as a structural, load-bearing decking.

Keep heat in and cold out with insulated weather-resistant nailable roof decking panels from Homasote.

Roof-Fast by IKO, a self-adhered membrane (SAM) system, is a low-slope roofing material that combines the polymer chemistry of commercial grade modified bitumen membranes with the self-adhesive characteristics of an ice and water protector and the beauty of a granule surface.

IKO’s Shingles are created using the industry’s most advanced technology and selected by consumers who demand the best in terms of quality, durability, and value.

Whether your project is new construction, an addition, or repair, rely on MFM Building Products for the best in underlayment technology solutions. The choices are complex, involving all kinds of roofing materials, all kinds of substrates, and all kinds of climates. MFM underlayments help you match performance and cost factors for virtually every job.

PROFELT PLUS® and PROFELT 30® GENERAL - Perma “R” Products synthetic roof underlayments are designed to replace and outperform traditional asphalt felts. ProFelt Plus and ProFelt 30 will not rot, dry out, or support mold growth.

Made from the highest-quality bituminous ingredients, the TAMKO line of cements and coatings is 100% asbestos-free and formulated to provide the precise mix required for durability and ease of application.

Tamko shingle roofing is available in asphalt, glass seal and steel. Since colors vary by region, you will need to enter your zip code to view shingles available in your area. Tamko also offers low-slope roofing.

TAMKO offers a variety of professional-grade roofing accessories, from cements and sealants to underlayments and ventilation products.

TAMKO® provides a complete line of saturated organic felt roll roofing products for use as shingle underlayments.

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.

Don’t let the threat of leaks keep you up at night. Stick it to the rain with our new ZIP System™ waterproofing peel and stick roofing underlayment.

The ZIP Sheathing System is a one-of-a-kind structural roof and wall system with a built-in energy-efficient barrier that keeps moisture out and reduces air leakage, while still allowing panels to properly dry.