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Timberline® HDZ is the most advanced GAF shingle. Period.

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StainGuard Plus™ Algae Protection Limited Warranty

Protect your roof investment with algae resistance so powerful it allows us to offer a 25-year limited warranty against blue-green algae discoloration on many of our most popular products, including Timberline HDZ® Shingles.1
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WindProven™ Limited Wind Warranty

When installed with the required combination of GAF Accessories,Timberline HDZ® Shingles are eligible for a 15-year limited wind warranty with no maximum wind speed limitation.2
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GAF Lifetime Limited Warranty

Install any GAF Lifetime Shingles and at least 3 qualifying GAF accessories and you’ll automatically get a Lifetime ltd. warranty qualifying GAF products.
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25-Year StainGuard Plus™ Algae Protection Limited Warranty

Timberline HDZ® Shingles come with a 25-year StainGuard Plus Algae Protection Limited Warranty1 against blue-green algae discoloration, and proprietary time-release technology that releases algae-fighting copper steadily, over time, for long-lasting algae fighting power.

WindProven™ Limited Wind Warranty

Only one shingle qualifies for WindProven — the industry’s first wind warranty with no maximum wind speed limitation. Just install GAF Shingles with LayerLock Technology, such as Timberline HDZ® Shingles, plus four required GAF accessory products.2

The GAF Lifetime Roofing System

Install any GAF Lifetime Shingle and at least 3 qualifying GAF Accessories and get a Lifetime limited warranty on your qualifying products plus non-prorated coverage for the first 10 years. For even stronger coverage, ask your GAF factory-certified contractor about our enhanced warranty options.
125-year StainGuard Plus Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions and qualifying product.
215-year WindProven limited wind warranty on Timberline HDZ® Shingles requires the use of GAF starter strips, roof deck protection, ridge cap shingles, and leak barrier or attic ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions Visit gaf.com/LRS for qualifying GAF products.
See GAF Shingle & Accessory Ltd.Warranty for complete coverage and restrictions. The word “Lifetime” refers to the length of coverage provided by the GAF Shingle & Accessory Ltd.Warranty, and means as long as the original individual owner(s) of a single-family detached residence [or the second owner(s) in certain circumstances] owns the property where the shingles and accessories are installed. For owners/structures not meeting the above criteria, Lifetime coverage is not applicable. Lifetime ltd. warranty on accessories requires the use of at least three qualifying GAF accessories and the use of Lifetime Shingles.