GAF certified contractor nailing shingles on roof in the widest nail zone avaialbe

Get the widest nail zone available

LayerLock® Technology powers the industry’s widest nailing area for fast nail fastening.
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Provides up to 99.9% nailing accuracy

The GAF StrikeZone® nailing area is so easy to hit that a roofer placed 999 out of 1,000 nails correctly in our test.¹

¹ 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.
Promo Video: GAF Timberline® HDZ High Definition™ Roof Shingles

Timberline HDZ® shingles with LayerLock® technology

LayerLock® Technology mechanically fuses the common bond between overlapping shingle layers. The added strength at the common bond powers the StrikeZone® nailing area - the industries widest nail zone.
Home with Timberline HDZ roof shingles, with Layerlock technology

Layerlock® technology is featured on GAF’s #1 selling shingle - Timberline HDZ®

Timberline HDZ® shingles give you value and performance in a genuine wood-shake look.

Shingles featuring LayerLock® technology

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.
Man holding GAF roofing shingle with roofing nail accuracy from widest nail zone

Roof installation overview

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

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.
Video showing labor saving of GAF shingles

Save time and labor with up to 30% faster nail fastening¹

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.
¹ 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.

More ways GAF helps protect your roof

225-year StainGuard Plus™ and 30-year StainGuard Plus PRO™ Algae Protection Limited Warranties (as indicated) against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ or StainGuard Plus PRO™ logos. See GAF Shingle & Accessory Limited Warranty for complete coverage, restrictions, and qualifying products.

315-year WindProven™ limited wind warranty covers GAF Shingles with LayerLock® Technology only and 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. For installations not eligible for the WindProven limited wind warranty, see GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.