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.

Fortified roof logo

This product has earned the Good HouseKeeping Seal.

Good Housekeeping seal of approval for this GAF roof shingle


1Insurance discounts may not be available in your area. Where available, insurance discounts may vary. Contact your insurance provider for information.
2Your shingles will be covered up to the maximum wind speed above ONLY if installed using 6 nails per shingle and GAF Starter Strip Products installed at the eaves and rakes. Maximum Wind Speed Coverage is 130mph with Special Installation or 110mph without Special Installation. See GAF Shingle & Accessory Limited Warranty for complete details.
325-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ logo. See GAF Shingle & Accessory Limited Warranty for complete coverage, restrictions, and qualifying products.
4See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions. The word “Lifetime” refers to the length of coverage provided by the GAF Shingle & Accessory Limited Warranty and means as long as the original individual owner(s) of a single-family detached residence [or the second owner(s) in certain circumstances] owns the property where the shingles and accessories are installed. For owners/structures not meeting the above criteria, Lifetime coverage is not applicable. Lifetime limited warranty on accessories requires the use of at least three qualifying GAF accessories and the use of Lifetime Shingles.

Note: Always use complementary-color GAF StarterMatch™ Starter Strip Shingles when installing Grand Sequoia® AS Shingles for the best look.

(Also Note: It is difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.)

Virtual Remodeler

Design your roof, your way. Mix and match GAF shingle styles and colors along with siding, trim and doors to create the perfect look for your home.
Design your roof

Features and Benefits

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.¹

SBS-Modified Asphalt

These 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 Warranty2

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.
¹25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.
‡These shingles are not warranted to withstand hail damage.
²15-year WindProven™ Limited Wind Warranty on Timberline® Shingles with LayerLock™ Technology requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles, and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven Limited Wind Warranty, see GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.
Lifetime refers to the length of warranty coverage provided and means as long as the original individual owner(s) of a single-family detached residence [or eligible second owner(s)] owns the property where the qualifying GAF products are installed. For other owners/structures, Lifetime coverage is not applicable. Lifetime coverage on shingles requires the use of GAF Lifetime Shingles only. See the GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. Lifetime coverage on shingles and accessories requires the use of any GAF Lifetime Shingle and at least 3 qualifying GAF Accessories. See the GAF Roofing System Limited Warranty for complete coverage and restrictions. For installations not eligible for the GAF Roofing System Limited Warranty, see the GAF Shingle & Accessory Limited Warranty. Visit gaf.com/LRS for qualifying GAF products.
Illustration showing how a Class 4 shingle passes an impact-resistance test while a standard shingle fails.

This product has a UL 2218 Class 4 rating

UL 2218 impact testing involves dropping various sized steel balls onto tested materials from different heights and evaluating whether there are any cracks, tears, or fractures on the back surface of the product. Products that withstand the impact of a 2-inch steel ball dropped from 20 feet receive the highest rating, UL 2218 Class 4.
About impact resistance

Specs & Codes

Specifications
(All Dimensions Are Nominal)
Pieces/Square 72
Bundles/Square 4
Nails/Square¹ 360
Exposure 5"
Dimensions 17" x 40"
Applicable Standards & Protocols
  • Fire - UL Listed to ANSI/UL 790 Class A
  • Wind - ASTM D7158, Class H
  • Wind - ASTM D3161, Class F
  • National - ASTM D3018, Type 1
  • National - ASTM D3462**
  • National - Classified in accordance with ICC-ES AC438
  • Regional - Miami-Dade County Product Control Approved***
  • Regional - State of Florida Approved
  • Regional - Texas Department of Insurance Listed
  • Regional - ICC-ES ESR- 1475****
  • Regional - ICC-ES ESR- 3267
  • Passes UL 2218 Impact-Resistance Test with Class 4 Rating (highest possible)*
  • Regional - CSA A123.5******
*Grand Sequoia® AS Shingles are not warranted to withstand hail damage.
**ASTM D3462 - Periodically tested by independent and internal labs to ensure compliance with ASTM D3462 at time of manufacture. Applies to only some plants that make Royal Sovereign® Shingles and Marquis WeatherMax® Shingles. Applies to White only for Royal Sovereign® Shingles.
***Miami-Dade County Product Control Approved - Applies to some plants only that make Timberline® UHDZ™ Shingles, Royal Sovereign® Shingles and Marquis WeatherMax® Shingles. Applies to White only for Royal Sovereign® Shingles.
****ICC-ES ESR- 1475 - Applies to some plants only that make Royal Sovereign® Shingles and Marquis WeatherMax® Shingles. Applies to White only for Royal Sovereign® Shingles.
******CSA A123.5 - Applies to some plants only that make Timberline HDZ®, Timberline® NS, and Timberline AS II®.

Product Documentation

View All Documents

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  • Lifetime Limited Warranty†
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  • Algae Protection
  • Cool Roof Rating
  • Impact Resistance Rating
  • Timberline® AS II Image

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Parts of a GAF roofing system

Residential warranties
A pictorial representation of the layers of a GAF roofing system, highlighting the ridge cap shingles, the finishing touch that helps defend against leaks at the hips and ridges.

Ridge cap shingles

The finishing touch that helps defend against leaks at the hips and ridges.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the ridge vent layer, which helps to reduce attic moisture and heat.

Attic ventilation

Helps to reduce attic moisture and heat.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the rooftop accessories component, designed to enhance the performance of your roof system.

Rooftop accessories

Specialty roofing accessories designed to enhance the performance of your roofing system.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the roofing shingles layer, which offer beauty and protection for years to come.

Shingles

Beautify and protect your roof for years to come.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the starter strip shingles, which help guard against shingle blow off.

Starter strip shingles

Helps to guard against shingle blow-offs.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the roof underlayment layer, which helps shield the roof deck from moisture infiltration.

Roof deck protection

Helps shield the roof deck from moisture infiltration.
See products
A pictorial representation of the layers of a GAF roofing system, highlighting the leak barrier layer, which helps prevent leaks caused by wind-driven rain and ice dams.

Leak barrier

Helps prevent leaks caused by wind-driven rain and ice dams.
See products

Frequently Asked Questions

The “AS” in GAF Grand Sequoia® AS Shingles stands for “Armor Shield” shingles. These specific shingles are made with our proprietary SBS modified asphalt formulation to help them pass the UL 2218 Class 4 Impact-Resistance Test.1

 

1 UL 2218 Class 4 classified for impact resistance. Testing performed under controlled laboratory conditions. GAF makes no express or implied warranty about the impact performance of this product against hail. Hail damage is not covered under the limited warranty. See GAF Shingle and Accessory Limited Warranty available at gaf.com/warranties for complete coverage and restrictions.

 

Both GAF Grand Sequoia® Shingles and GAF Grand Sequoia® AS Shingles are made to pass the UL 2218 Class 4 Impact-Resistance Test,1 achieving this designation in different ways.

Standard Grand Sequoia® Shingles are made bigger and thicker than our best-selling standard architectural shingle, providing elegance and enhanced impact resistance.

Grand Sequoia® AS Shingles are made with rubber-like SBS-modified asphalt to provide excellent flexibility that enhances impact resistance.

 

1 Only products sold in packages bearing the UL 2218 Class 4 PRI Validation Program statement are rated for Class 4 impact resistance. Testing performed under controlled laboratory conditions by Certerra Analytical - PRI. GAF makes no express or implied warranty about the impact performance of these products against hail. Hail damage is not covered under the limited warranty. See GAF Shingle and Accessory Limited Warranty available at gaf.com/warranties for complete coverage and restrictions.

 

In addition to being made bigger and thicker than our best-selling architectural shingle, GAF Grand Sequoia® AS Shingles are made with our proprietary SBS modified asphalt formulation and pass the UL 2218 Class 4 Impact-Resistance Test.1

 

1 UL 2218 Class 4 classified for impact resistance. Testing performed under controlled laboratory conditions. GAF makes no express or implied warranty about the impact performance of this product against hail. Hail damage is not covered under the limited warranty. See GAF Shingle and Accessory Limited Warranty available at gaf.com/warranties for complete coverage and restrictions.

 

 

Yes, the rugged, oversized features of GAF Grand Sequoia® AS Shingles are made to resemble the look of rustic handcrafted wood shakes. They echo the majesty of their namesake giant redwoods, and are perfectly suited to the scale of a larger home.

If you’re considering an alternate wood-shake look, consider GAF Woodland® Shingles inspired by the look of hand-cut, European wood shakes and still pass the UL 2218 Class 4 Impact Resistance Test.1

Both options from the GAF Designer Shingles collection create the appearance of a wood shake roof with asphalt shingles.

 

1 Only products sold in packages bearing the UL 2218 Class 4 PRI Validation Program statement are rated for Class 4 impact resistance, respectively. Testing performed under controlled laboratory conditions by Certerra Analytical - PRI. GAF makes no express or implied warranty about the impact performance of these products against hail. Hail damage is not covered under the limited warranty. See GAF Shingle and Accessory Limited Warranty available at gaf.com/warranties for complete coverage and restrictions.

GAF Grand Sequoia® AS Shingles come in a range of colors, including Charcoal, Adobe Sunset, Dusky Gray, Weathered Wood. 

Check out our Virtual Home Remodeler to see what each shingle style and color may look like on your home. Please note that picking the right shingle color for your home is important. Computer and smartphone screens may represent image colors differently. So, once you've selected your favorite colors, be sure to ask your contractor for shingle samples to see how they'll look in real life.

 

GAF Grand Sequoia® AS Shingles should use a minimum of 3/8" thick (10 mm) plywood or OSB decking. Do NOT fasten shingles directly to insulation or insulated deck unless authorized in writing by GAF. Roof decks and existing surfacing material must be dry prior to installation of shingles. Learn more about Grand Sequoia® AS installation instructions and the best practices for contractors.

GAF Grand Sequoia® AS Shingles are warranted to withstand winds up to 130 mph (209 km/h) with special installation.1

 

1 Your shingles will be covered up to the maximum wind speed above ONLY if installed using 6 nails per shingle and GAF Starter Strip Products installed at the eaves and rakes. Maximum Wind Speed Coverage is 130mph with Special Installation or 110mph without Special Installation. See GAF Shingle & Accessory Limited Warranty for complete details.

 

The main difference between GAF Grand Sequoia® AS Shingles and GAF Timberline® AS II Shingles are aesthetics and potential wind speed coverage.

Both are made with our proprietary SBS modified asphalt formulation and pass the UL 2218 Class 4 Impact-Resistance Test.1 

However, Grand Sequoia® AS Shingles are made to resemble the look of rustic handcrafted wood shakes, echoing the majesty of their namesake giant redwoods. In contrast, Timberline® AS II Shingles offer the classic look of an architectural shingle and qualify for the WindProven™ Limited Wind Warranty with no maximum wind speed limitation when installed with four required GAF accessories.2  

 

1 UL 2218 Class 4 classified for impact resistance. Testing performed under controlled laboratory conditions. GAF makes no express or implied warranty about the impact performance of this product against hail. Hail damage is not covered under the limited warranty. See GAF Shingle and Accessory Limited Warranty available at gaf.com/warranties for complete coverage and restrictions.

2 15-year WindProven™ Limited Wind Warranty covers GAF shingles with LayerLock® Technology only and requires the use of GAF starter strips, roof deck protection, ridge cap shingles, and leak barrier or attic ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven™ Limited Wind Warranty, see GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.

 

Homeowners interested in having GAF Grand Sequoia® AS Shingles installed on their roof should find a GAF Certified contractor1 in their area to see several full-size shingle samples, learn more information, and get an accurate estimate.

Contractors interested in installing Grand Sequoia® AS Shingles on their customers’ homes can purchase them from specialized roofing and building supply distributors as well as major home improvement retailers like The Home Depot and Lowe’s. Contact your local Territory Manager to determine the best solution for you.

1 Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use. Visit www.gaf.com/gaf-contractor-terms-of-use for details