GAF has announced the nationwide launch of Timberline® HDZ™ shingles, powered by new and innovative LayerLock™ technology, which mechanically fuses the common bond in Timberline HDZ shingles to offer: up to 99.9% nailing accuracy thanks to the new StrikeZone™ nailing area, which is up to 600% larger than Timberline HD® shingles; up to 30% faster nail fastening during installation than Timberline HD shingles; dual-phase shingle-to-shingle seal with GAF’s Dura Grip™ sealant and StrikeZone nailing area, and an asphalt-to-asphalt monolithic bond for durability, strength, and powerful wind uplift performance; and compatibility with Timberline HD roofing shingles.

         Roofing contractors can now also offer homeowners a GAF WindProven™ limited wind warranty, the first wind warranty for roofing shingles with no maximum wind speed limit, when installing GAF shingles with LayerLock technology and four qualifying GAF accessories. 

         GAF is a North American roofing and waterproofing manufacturer and a part of Standard Industries, a global company focused on building materials.  GAF’s products include a comprehensive portfolio of roofing and waterproofing solutions for residential and commercial properties as well as for civil engineering applications.  The full GAF offering is supported by an extensive national network of factory-certified contractors.

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