GAF Timberline HDZ® Shingles
The classic profile, now with LayerLock™ Technology and the StainGuard Plus™ Algae Protection
Timberline HDZ® Harvest Blend Color Collection
Timberline HDZ® Harvest Blend colors feature enhanced color contrast that adds a distinctive compliment to modern homes, and a bold flair to any style roof.
The GAF Lifetime Warrantied Roofing System
A Timberline HDZ® roof is so much more than shingles. It’s layers of protection, working together to keep your home safe from the elements.
And as a licensed, insured and certified GAF contractor, each Sentry Exteriors installed roof is guaranteed by GAF's manufacturer warranty against any defects. For life.
StainGuard Plus™ Algae Protection Limited Warranty
Timberline HDZ® Shingles come with a 25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration, and proprietary time-release technology that releases algae-fighting copper steadily, over time.
GAF LayerLock™ Technology
Engineered for the best possible installation, LayerLock™ Technology mechanically fuses the common bond between overlapping shingle layers. Recognized as the top home innovation of 2020 in the Popular Science Best of What's New Awards.
WindProven™ Limited Wind Warranty
Only one shingle qualifies for WindProven™ — the industry’s first wind warranty with no maximum wind speed limitation. Protection, and peace of mind for years to come.