How to Prevent Roof Algae on Your New Roof | GAF StainGuard Plus Shingles
Find out how GAF StainGuard™ Plus time release technology can help prevent ugly roof algae stains. Find out more at gaf.com/stainguardplus. This exclusive patent-pending algae-fighting breakthrough uses specially-engineered capsules that are infused with thousands of copper microsites, which release copper efficiently, over time, for long-lasting algae-fighting power. It’s algae resistance so powerful it comes with a 25 Year ltd. warranty against blue-green algae discoloration. Learn more about StainGuard Plus Shingles at https://www.gaf.com/en-us/residential-roofing/stainguard-plus [NOTE: Disclaimer is long, but I believe it is necessary. DK] StainGuard Plus™ Time-Release Technology and 25-year limited warranty against blue-green algae discoloration available only on Timberline Ultra HD® Shingles sold in packages bearing the StainGuard Plus™ logo. Does not apply to Timberline Ultra HD® Reflector Series™ Shingles. See GAF Shingle and Accessory Ltd. Warranty for complete coverage and restrictions.