Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses.
Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses.
The patented LayerLock® Technology on Timberline® Shingles mechanically fastens together the two layers of a Timberline® Shingle during manufacturing for strength. In addition, the StrikeZone® nailing area (which is the widest in the industry) is covered with microgranules that allow the GAF Dura Grip™ sealant to create a strong asphalt-to-asphalt bond
Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses.