GAF Advanced Algae Protection Limited Warranties – StainGuard Plus and StainGuard Plus PRO

Protect your customers’ new roofs from eave to ridge with algae resistant shingles from GAF. Our GAF shingles, hip and ridge caps, and starter strips come with the 25-Year StainGuard Plus™ Algae Protection Limited Warranty. Or offer your customers the NEW 30-Year StainGuard Plus PRO™ Algae Protection Limited Warranty with new Timberline® UHDZ™ shingles with 10% MORE Time-Release Algae-Fighting technology.

To learn more about Algae Resistant Shingles, visit
To learn more about Timberline UHDZ, visit

More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. As a Standard Industries company, GAF is part of the largest roofing and waterproofing business in the world. Connect with us:

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