Contractor nailing GAF shingles on a home, one of the six parts of a roof system

Parts of a roof

A residential roofing system has multiple main layers that work together to create a durable system

Components of a residential roofing system

*Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation. Visit www.gaf.com/ventcalculator for details.

Common roof terminology and other roof components to know

Understanding warranties for your roof system

GAF warranties are recognized as some of the best in the industry

Compare warranties

GAF’s Lifetime limited warranty badge for qualified products.

Why choose a GAF Roofing System

When you Install any GAF Lifetime Shingle and at least 3 qualifying GAF Accessories you get a Lifetime limited warranty on your qualifying GAF products
Lifetime refers to the length of warranty coverage provided and means as long as the original individual owner(s) of a single-family detached residence [or eligible second owner(s)] owns the property where the qualifying GAF products are installed. For other owners/structures, Lifetime coverage is not applicable. Lifetime coverage on shingles requires the use of GAF Lifetime Shingles only. See the GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. Lifetime coverage on shingles and accessories requires the use of any GAF Lifetime Shingle and at least 3 qualifying GAF Accessories. See the GAF Roofing System Limited Warranty for complete coverage and restrictions. For installations not eligible for the GAF Roofing System Limited Warranty, see the GAF Shingle & Accessory Limited Warranty. Visit gaf.com/LRS for qualifying GAF products.

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