GAF Timberline HDZ Oyster Gray Algae Resistant Laminated High Definition Shingles (33.33 sq. ft. per. bdl)- 21 pc

Elevate your roof with GAF Timberline HDZ Architectural Shingles, the trusted choice for long-lasting beauty and superior protection. Engineered with innovative LayerLock™ Technology and backed by a 25-Year StainGuard Plus™ Algae Protection Limited Warranty, these shingles offer unmatched durability and a sophisticated wood-shake appearance.

Designed to resist strong winds and algae growth, Timberline HDZ shingles are part of the WindProven™ Limited Wind Warranty—the industry’s first wind warranty with no maximum wind speed limitation when installed with qualifying GAF accessories.

Key Features:

• ✅ StrikeZone™ Nailing Area – The largest, most visible nail zone in the industry for quick, accurate installation.

• ✅ LayerLock™ Technology – Mechanically fastens the shingle bond, delivering up to 600% larger nailing target** compared to Timberline HD.

• ✅ StainGuard Plus™ Technology – 25 years of algae-fighting protection for a cleaner, more attractive roof.

• ✅ Genuine Wood-Shake Look – Proprietary color blends and enhanced shadowing create eye-catching curb appeal.

• ✅ UL Class A Fire Rating – Highest roofing fire resistance rating for maximum safety.

• ✅ Dura Grip™ Adhesive – Secure sealant ensures fast tack and long-term performance under extreme conditions.

• ✅ Lifetime Limited Warranty – Includes Smart Choice® Protection for non-prorated coverage during the first 10 years.

Need Help Estimating Materials?
Use the GAF QuickMeasure™ tool to get fast, accurate roof measurement reports delivered in under an hour. Each report includes a full bill of materials and Home Depot SKUs—perfect for quick and confident ordering.

🌊 Choose the Seaside Gray color for a crisp, modern aesthetic that delivers coastal charm and timeless elegance.

Warranty Notes:
Eligible for WindProven™ Limited Wind Warranty when installed with GAF starter strips, ridge caps, leak barriers, and attic ventilation. See full GAF system warranty for details.

⚠️ Colors may vary—please review full-size shingles in person before final selection.