Grand Sequoia AS | Big League Roofers -

Proprietary SBS Modified Asphalt Formulation

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

Why Grand Sequoia AS?

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.¹

Potential Insurance Savings: Grand Sequoia^® AS Shingles pass the UL 2218 Class 4 Impact-Resistance Test, and may qualify for insurance discounts.¹
SBS Modified Asphalt: Provides a more durable, rubber-like, and super-flexible shingle — to help reduce stress when impacted.
Excellent Wind Performance: DuraGrip™ Adhesive seals each shingle tightly and reduces the risk of shingle blow-off. Shingles warrantied to withstand maximum wind gusts of up to 130 mph (209 km/h)!²
25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration. Proprietary GAF Time-Release Algae-Fighting Technology helps protect your shingles from unsightly stains.³
Peace Of Mind: Lifetime limited transferable warranty with Smart Choice^® Protection (non-prorated material and installation labor coverage) for the first ten years.⁴
Ridge Cap Shingles: Use our Seal-A-Ridge^® ArmorShield™ SBS Modified Ridge Cap Shingles. They’re a unique color match to the GAF ArmorShield™ Series of Shingles.

This product can be used to comply with certain FORTIFIED Roof™ requirements. Visit gaf.com/fortified and current FORTIFIED Home™ Standard available at fortifiedhome.org for details. Applicable in the U.S. only.

StainGuard Plus™ Algae Protection

Our patented Dual Shadow Line adds depth so exceptional, it takes your home’s curb appeal to even greater heights. The impact is unmistakable.

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.

More Information:

A Roofing System Built to Protect

Grand Sequoia AS^® shingles offer a combination of beauty and benefits that go beyond. High-performance technology enhances the shingle at its core and achieves UL 2218 Class 4 impact-resistance rating. When installed as a complete roofing system, it helps reduce risk, improve roof performance, and support a longer-lasting result.

Key components of a complete shingle roofing system:

Roof deck preparation
Underlayment
Leak barriers / ice barrier protection
Starter strips
Field shingles
Hip & ridge caps
Ventilation components
Edge details and accessory components