About Timberline HDZ® Shingles
Get advanced roof protection from eave to ridge. The technologies incorporated into Timberline HDZ® shingles are the keys to unlocking both the 15-Year WindProven™ Limited Wind Warranty and the 25-Year StainGuard Plus™ Algae Protection Limited Warranty.
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.
This product has earned the Good HouseKeeping Seal.
Technical Specifications
| Specification | Value (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
| Type | Standard / Protocol |
| 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 |
| Regional | CSA A123.5****** |
| Special Feature | Cool Roof Rating Council (CRRC) Rated******** |
| Special Feature / Regional | CA Title 24***** |
| Special Feature / Regional | City of LA / LA County******* |
| Testing | Passes UL 2218 Impact-Resistance Test with Class 3 Rating |
