
LayerLock® Technology
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.
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.

Timberline CS® Shingles
Can help to reduce temperatures in your attic, and save on air-conditioning costs.

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

Timberline HDZ® RS+
Meets Green Building Standard Code of Los Angeles County for residential buildings.
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.
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.

Long-lasting Algae Protection

Damaging Wind Protection

Dura Grip™ Advanced Sealant
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

