GAF Materials Corporation stands behind every qualified roof with guarantees unsurpassed in the business.

Liberty Guarantees are issued for both GAFGLAS^® and RUBEROID^® specifications for periods of 5, 10, 12, 15, or 20 years. Liberty Guarantees are no-dollar limit guarantees. The length of the guarantee is a function of the specification used. In general, longer term guarantees require the use of GAFGLAS and RUBEROID premium products.

GAF Materials Corporation also offers limited labor and material guarantees on RUBEROID products and limited material-only guarantees on GAFGLAS and RUBEROID premium products. For detailed information on all GAF Materials Corporation guarantees, please refer to the latest GAFGLAS and RUBEROID Application and Specifications Manuals or call 1-800-ROOF-411.

GAF Materials Corporation's Master Roofing Contractor Program is designed to insure the highest quality installation and long lasting performance of our guaranteed roofs. Only GAF Materials Corporation's Master Roofing Contractors are qualified to install Liberty no-dollar-limit guarantees. Our Architectural Representatives can provide the names of the approved Master Roofing Contractors in your area.

GAF Materials Corporation supports its guarantee program with dedicated roof inspectors and independent auditors to check the quality of the roofing application.