

Roofing Materials







GAF Timberline HDZ Shingles
GAF Timberline HDZ® shingles are North America’s #1 selling roofing shingles. They offer advanced protection, stunning high-definition color blends, and industry-leading warranties. Engineered with cutting-edge LayerLock™ technology and the StrikeZone™ nailing area, these shingles provide exceptional durability, wind resistance, and easy installation.







The Expert's Choice
GAF Timberline HDZ® shingles combine aesthetic appeal with industry-leading performance, making them an excellent choice for residential roofing projects.
- Size: 13 1/4" x 39 3/8"
- Exposure: 5 5/8"
- Warranty: 15-Year WindProven™ Limited Wind Warranty & 25-Year StainGuard Plus™ Algae Protection Warranty
- Fire Rating: UL Listed to ANSI/UL 790 Class A
- Wind Rating: ASTM D7158 Class H, ASTM D3161 Class F
- Impact Resistance: UL 2218 Class 3
LayerLock™ Technology
This patented technology strengthens the bond between shingle layers, ensuring superior holding power and easier installation.
WindProven™ Limited Wind Warranty
When installed with qualifying GAF accessories, Timberline HDZ® shingles are backed by a 15-year warranty with no maximum wind speed limitation.
StainGuard Plus™ Algae Protection
Protects against blue-green algae discoloration with a 25-year limited warranty, keeping your roof looking great for longer.
StrikeZone™ Nailing Area
Engineered for precision, this industry-leading nailing area provides up to 99.9% nailing accuracy, ensuring secure installation.
Why choose Timberline HDZ
Superior Durability
Timberline HDZ® shingles are built to withstand harsh weather conditions, including high winds and heavy rain, and they provide long-term protection for your home.
Easy Installation
With LayerLock™ technology and the StrikeZone™ nailing area, these shingles offer improved efficiency and accuracy for roofing contractors.
Algae & Stain Resistance
The 25-year StainGuard Plus™ warranty ensures long-lasting curb appeal by preventing unsightly algae growth.
Fire & Impact Resistance
Rated UL 790 Class A for fire resistance and UL 2218 Class 3 for impact resistance, providing homeowners with added peace of mind.

Frequently Asked Questions
Timberline HDZ® shingles are distinguished from traditional shingles by their exclusive LayerLock™ technology, StrikeZone™ nailing area, and WindProven™ warranty coverage.
Yes, they come with a 15-year WindProven™ Limited Wind Warranty and a 25-year StainGuard Plus™ Algae Protection Limited Warranty.
Absolutely! When installed with qualifying GAF accessories, Timberline HDZ® shingles have no maximum wind speed limitation under the WindProven™ warranty.
Select colors of Timberline HDZ® shingles are Cool Roof Rating Council (CRRC) rated and meet California Title 24 cool roof requirements, helping improve energy efficiency.
These shingles are UL 790 Class A fire-rated, ASTM D7158 Class H wind-rated, and ASTM D3161 Class F wind-rated, and they are approved by Miami-Dade County.
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