1Timberline® AS II Shingles are not warranted to withstand hail damage.

Timberline® ArmorShield II — the UL2218, Class 4 impact resistant shingle¹ that provides protection and potential insurance savings.

Timberline® AS II Shingles are made with our proprietary SBS-modified asphalt formulation and pass UL’s toughest impact-resistance test — UL 2218 Class 41. That means they can really take a punch from Mother Nature.

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


1Timberline® AS II Shingles are not warranted to withstand hail damage.
215-year WindProven™ limited wind warranty on Timberline® AS II Shingles 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.
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 and restrictions and qualifying products.

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

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.2

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.³

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 4¹. That means they can really take a punch from Mother Nature.
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.
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.
³ Results based on study conducted by Home Innovation Research Labs, an independent research lab, comparing installation of Timberline HD® Shingles to Timberline HDZ® Shingles on a 16-square roof deck using standard 4-nail nailing pattern under controlled laboratory conditions. Actual results may vary.
¹Timberline® AS II Shingles are not warranted to withstand hail damage.
Timberline® AS II

Durable, beautiful shingles

Learn how Timberline® AS II shingles are built to endure.
Hands bending a strip of Timberline ArmorShield II shingles, showing how flexible and durable it is.

How do Timberline® AS II shingles work?

Our proprietary SBS polymer-modified asphalt technology helps make asphalt more durable, rubber-like, and super-flexible — to help reduce stress when impacted. It results in a shingle with excellent flexibility and durability, plus increased impact resistance.
Illustration showing how a Class 4 shingle passes an impact-resistance test while a standard shingle fails.

UL 2218 Class 4 Impact-Resistance Test

A 2" steel ball is dropped twice from a 20-foot height onto various target locations to evaluate the shingles' ability to withstand impact. On a standard shingle, the test results show evidence of visible ruptures or cracks through the shingle immediately after impact, indicating a failure. A Class 4 shingle passes the test with no evidence of ruptures or cracks through the shingle immediately after impact.
A house with a roof built with GAF Energy Timberline Solar Roofing shingles.

Flexibility that enhances weather resistance

Timberline® AS II’s rubber-like SBS modified asphalt provides excellent flexibility that enhances resistance to cracking and allows AS II shingles to lay flatter in colder temperatures* when compared to our standard asphalt shingle. AS II's proprietary SBS-modified asphalt provides excellent granule adhesion per ASTM testing standards**. This makes Timberline® AS II shingles an easy to handle and dependable option for use in varying climates.
*In temperatures of 40℉ or higher.
**Testing based on ASTM D4977 granule adhesion test

Specs & Codes

Specifications
(All Dimensions Are Nominal)
Pieces/Square 64
Bundles/Square 3
Nails/Square¹ 256
Exposure 5 5/8"
Dimensions 13 1/4" x 39 3/8"
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 - 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******
**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.
****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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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.
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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.
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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.
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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.
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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.
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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.
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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.
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