LayerLock™ Technology

Powers the industry’s widest nailing zone for fast shingle installation.

Get up to 99.9% nailing accuracy

The StrikeZone™ nailing area is so easy to hit that a roofer placed 999 out of 1,000 nails correctly in our tests.1 Your time and reputation are priceless, so get GAF engineered LayerLock™ Technology to give your crews a shingle for the best possible installation

1Results 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.

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Timberline HDZ Shingles with LayerLock Technology | GAF Roofing

Products featuring LayerLock™ Technology

More homeowners in North America rely on Timberline® Shingles than any other brand. They offer just the right combination of beauty, performance, and reliability — and are the best value in roofing today.

Layerlock™ Technology is featured on North America’s #1 selling shingle - Timberline HDZ®

Timberline HDZ® shingles give you value and performance in a genuine wood-shake look.
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Timberline CS® Shingles
Can help to reduce temperatures in your attic, and save on air-conditioning costs.

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Timberline HDZ® Reflector Series™
Rated by the Cool Roof Rating Council (CRRC) for use in Title 24 projects.

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Timberline HDZ® Reflector Series Plus™
 Meets Green Building Standard Code of Los Angeles County for residential buildings.

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Learn how to install Timberline HDZ® Shingles

Count on training from the Center for the Advancement of Roofing Excellence to fit your goals and the way you prefer to learn.

Roof installation overview

See for yourself how Timberline HDZ® is accuracy made easy with this brief installation video from GAF CARE.
Instructions

Engineered to protect

GAF is always working on new and better ways to protect homes. We are committed to making our products better, stronger, safer and in more sustainable ways that are faster and easier to install.

Save time and labor with up to 30% faster nail fastening

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.

Long-lasting Algae Protection

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GAF Time-Release Algae Fighting Technology is algae resistance so powerful it allows us to offer a 25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration on many of our most popular products.2

Damaging Wind Protection

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Only one roofing system qualifies for WindProven™ — the wind warranty with no maximum wind speed limitation. Just install GAF Shingles with LayerLock™ Technology, four required GAF accessory products.3

Dura Grip™ Advanced Sealant

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Dura Grip™ Adhesive helps create a strong protective bond on all GAF Shingles. But that’s not all. When it’s combined with our patented LayerLock™ Technology, it pairs with the smooth microgranule surface of the StrikeZone™ nailing area for a fast tack.
225-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.

315-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.

Additional Resources

LayerLock Specification Sheet

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Windproven Sell Sheet

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Approved by contractors

Cody Dykes of Superior Roofing Reviews Timberline HDZ Shingles | GAF Roofing
In this testimonial of Timberline HDZ Shingles Cody Dykes of Superior Roofing shares "It is almost impossible to miss this new line". Timberline HDZ shingles are powered by new and innovative LayerLock™ technology. Combined with all the benefits of America’s top-selling shingle, LayerLock technology mechanically fuses the common bond in Timberline HDZ shingles to offer: - Up to 99.9% nailing accuracy thanks to our new StrikeZone nailing area - up to 600% larger v. Timberline HD shingles - Up to 30% faster nail fastening during installation v. Timberline HD shingles - Dual-phase shingle-to-shingle seal with our Dura Grip sealant and StrikeZone nailing area, and an asphalt-to-asphalt monolithic bond for durability, strength and powerful wind uplift performance - Compatibility with Timberline HD roofing shingles Learn More about LayerLock Technology: gaf.com/layerlock
Nick Branon of Hero Roofing Reviews Timberline HDZ Shingles | GAF Roofing
In this testimonial of Timberline HDZ Shingles Nick Branon of Hero Roofing shares "If someone can't hit the StrikeZone, they don't belong on a roof." Timberline HDZ shingles are powered by new and innovative LayerLock™ technology. Combined with all the benefits of America’s top-selling shingle, LayerLock technology mechanically fuses the common bond in Timberline HDZ shingles to offer: - Up to 99.9% nailing accuracy thanks to our new StrikeZone nailing area - up to 600% larger v. Timberline HD shingles - Up to 30% faster nail fastening during installation v. Timberline HD shingles - Dual-phase shingle-to-shingle seal with our Dura Grip sealant and StrikeZone nailing area, and an asphalt-to-asphalt monolithic bond for durability, strength and powerful wind uplift performance - Compatibility with Timberline HD roofing shingles Learn More about LayerLock Technology gaf.com/layerlock
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