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.
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.
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
Timberline HDZ®
GAF’s #1-selling roof keeps getting better, now with LayerLock® Technology and more.
See Timberline HDZ
Timberline UHDZ®
For a combination of beauty and benefits that goes beyond any GAF shingle available to date.
See Timberline UHDZ
Timberline® AS II
All the beauty of Timberline® Shingles combined with UL 2218 Class 4 Impact Resistance.
See Timberline AS II
Timberline HDZ® RS
Timberline HDZ® RS can be used to comply with 2022 Title 24, Part 6, of the California Code of Regulations and the Green Building Standards Code of Los Angeles County.
See Timberline HDZ RS
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.
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 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
Long-lasting algae fighting power
GAF Time-Release Algae Fighting Technology is algae resistance so powerful it allows us to offer 25-year and 30 year Limited warranties against blue-green algae discoloration on qualifying GAF products.²
Algae protection
Wind Coverage
Only GAF shingles with LayerLock® Technology qualify for a the WindProven Limited Wind Warranty with no maximum wind speed limitation when installed with the required combination of four qualifying GAF accessories.³
Windproven
Dura Grip™ Advanced Sealant
Dura Grip™ Adhesive helps create a strong protective bond to help reduce the risk of shingle blow-offs. When combined with our patented LayerLock® Technology, it pairs with the smooth microgranule surface of the StrikeZone™ nailing area for a fast tack.
Dura grip
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.