GAF certified residential roofing contractor holding package of Timberline HDZ shingles

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GAF is North America's largest roofing manufacturer. Contractors certified by GAF are trusted to offer our strongest guarantees and warranties.

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*Eligibility requirements, coverage, terms and restrictions apply and vary based on the enhanced warranty and products installed. For details and to view full System Plus, Silver Pledge and Golden Pledge Limited Warranties visit Visit for qualifying GAF products.

GAF resources to support your roofing project

Timberline® - America’s #1-selling shingle brand keeps getting better

Timberline HDZ® shingles offer the look people love, and the advanced technologies that people need.
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Roof replacement guide

Helpful project resources so you can make informed choices to plan for your roof project, understand costs, and choose the right shingles for your home.
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Comprehensive guide for available shingle styles, colors, technology, and more.
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.