GAF Technology to Fight Blue-Green Algae Staining on Your Roof | GAF Roofing

Protect your investment from unsightly roof algae staining and get the tech no one else has with GAF Time-Release Algae-Fighting Technology. Proprietary to GAF, our technology is engineered with thousands of copper microsites that release algae-fighting copper efficiently, over time, for long-lasting algae-fighting power. Get protection you can see on our best-selling shingles like Timberline HDZ® and Timberline® UHDZ™.
To learn more about GAF Time-Release Algae-Fighting Technology and our StainGuard Plus limited warranties. visit https://www.gaf.com/en-us/residential-roofing/stainguard-algae-resistant-shingle-protection

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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