Advanced Algae Protection
25 & 30-year limited warranties against blue-green algae discoloration available on qualifying GAF products1
How does GAF Time-Release Algae-Fighting Technology work?Specially engineered capsules are infused throughout with thousands of copper microsites. These breakthrough capsules release algae-fighting copper efficiently, over time, for long-lasting algae-fighting power.
Request your educational sampleShow homeowners how GAF Time-Release Algae-Fighting Technology works to protect the beauty of their roof investment, and allows GAF to offer a 25-year StainGuard Plus™ Algae Protection Limited Warranty.*
Learn how the 25-year StainGuard Plus™ Algae Protection Limited Warranty may help you increase sales.
Complete the StainGuard Plus™ Algae Protection Limited Warranty Playlist on the GAF Learning Portal to learn more about GAF Time-Release Algae-Fighting Technology and why algae protection is important to your customers.