We’re Nailing It

LayerLock™ Technology fuses the common bond between overlapping shingle layers. The added strength at the common bond powers the StrikeZone™ nailing area.

LayerLock™ Technology Benefits

Faster Installs

Timberline® HDZ™ Shingles were fastened to the roof deck with 30% faster nail fastening* vs.standard architectural shingles**

Windproven

When installed with the required combination of GAF Accessories, Timberline® Shingles with LayerLock™ Technology are eligible for an industry first: a wind warranty with no maximum wind speed limitation.**

Accurate Nailing

Up to 600% larger nailing area. Nails can be placed anywhere in the StrikeZone™ nailing area—on or between the lines!

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. Plus, up to 30% faster nail fastening thanks to the industry's largest nail zone.

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*15-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. Visit gaf.com/LRS for qualifying GAF products.

**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.