Grand Sequoia? AS

The look of rugged wood shakes with the protection of UL 2218 Class 4 impact resistance.

Made with our proprietary SBS modified asphalt formulation, Grand Sequoia? AS SBS Modified IR Shingles provide an excellent combination of enhanced impact resistance and beauty for your most valuable asset! They pass the industry's toughest impact-resistance test: UL 2218 Class 4. What does that mean? Shingles that pass this test may qualify for insurance discounts.

Warranties & Technologies

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.

Lifetime Limited Warranty

When you install GAF Lifetime Shingles and at least 3 qualifying GAF accessories, you get a Lifetime Limited Warranty on your qualifying GAF Products.

DuraGrip Adhesive

Dura Grip Adhesive helps protect your roof from winds and wind-driven rain. When combined with LayerLock Technology and the required combination of four qualifying GAF Accessories, it helps provide the holding power behind the WindProven Limited Wind Warranty

SBS-Modified Asphalt

Timberline? AS II Shingles are made with our proprietary SBS-modified asphalt formulation and pass UL's toughest impact-resistance test ? UL 2218 Class 4?. That means they can really take a punch from Mother Nature.