GAF

http://www.gaf.com/
Architectural Shingles, Underlayments

Founded in 1886, GAF has become North America’s largest manufacturer of commercial and residential roofing. Their success in growing the company has been based on their unique philosophy of helping property owners & architects to make their best and safest roofing choices. Professional installers have long preferred the rugged, dependable performance that only a GAF roof can offer, and have made Timberline® Shingles with Advanced Protection® the #1 selling shingle brand in North America!