GAF is—by far—North America’s largest manufacturer of residential and commercial roofing products.

USA. Diversified Group Of Companies, Active In Roofing, Construction Products, Textiles, Nonwovens, Chrome Finishing And Engineering Services. Coated And Uncoated Nonwoven Fabrics And Products For A Variety Of Technical And Industrial Applications, From Polyester, Polypropylene And Fiberglass Blends.