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.
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.
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.
Our GAF Timberline HDZ shingles come in a variety of styles and colors. Please visit the GAF website to view our wide selection.