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About This Product
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.
This product has earned the Good HouseKeeping Seal, and can be used to comply with certain FORTIFIED Roof requirements.
Features & Benefits
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.
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.
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.
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.
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.