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.

Grand Sequoia AS Features

ENHANCED IMPACT RESISTANCE
Proprietary SBS-modified asphalt formula for rubber-like flexibility and increased impact resistance

POTENTIAL INSURANCE SAVINGS
Shingles pass UL 2218 Class 4 Impact-Resistance Test and may qualify for insurance discounts

AFFORDABLE BEAUTY
Artisan-crafted shapes combined with oversized tabs create a dimensional design, resulting in a sophisticated beauty unmatched by typical shingles





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 four qualifying GAF accessories, GAF shingles with LayerLock technology qualify for the WindProven Limited Wind Warranty with no maximum wind speed limitation.

Layerlock Technology
The StrikeZone nailing area provides up to 99.9% nailing accuracy. It’s so easy to hit that a roofer placed 999 out of 1,000 nails correctly in our test.

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

