GAF is North America's largest roofing and waterproofing manufacturer, recognized for its quality and innovative roofing products. With a wide array of residential and commercial roofing materialsâincluding shingles, solar roofing, TPO, and roof coatingsâGAF provides solutions for any project need. Notably, the companyâs Timberline® shingles are among the most popular in the market. GAF promotes sustainability and is committed to a diverse, inclusive culture, reflecting values of connection, empowerment, and inspiration. Its certification programs ensure contractors are capable of offering the strongest warranties, giving customers peace of mind. GAFâs comprehensive resources and training support professionals in the roofing industry, ensuring excellent service and product knowledge.