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GAF System


American Window Systems is a certified GAF MasterElite roofing contractor. This places American Window Systems in the top 3% of roofing contractors in North America!

To earn the designation of MasterElite Roofing Contractor from GAF Corporation, the country’s leading roofing materials manufacturer, our management and installation crews have completed rigorous training and testing to ensure that our installation methods and procedures meet the superior standards established by GAF.

A Complete Roofing System for Your Home.

The GAF Weather Stopper roofing systems installed by American Window Systems are a complete structural system that ties together all roofing elements into a cohesive unit to provide the best protection for your home and family. We are one of the very few Fairfax roofing contractors who can offer you this excellent system.

Learn more about the GAF Weather Stopper roofing system here.

A Better Warranty for You.

GAF offers the best roofing warranties in the industry. And because American Window Systems is a GAF MasterElite certified Fairfax roofing contractor, you are assured that all GAF manufacturer warranties on roofing materials are fully valid. A Fairfax roofer who is NOT GAF-certified cannot guarantee your warranty will be in effect when and if you need it.

Trust the Fairfax roofing professionals!

Make sure your home’s roof is ready to protect you from the elements! Contact us for a free estimate today on a quality GAF roofing system by calling 703-426-4000 or completing our on-line quote request form.