Known as the “World’s Best Roof®”, Duro-Last, Inc. is the world’s largest manufacturer of custom-fabricated, thermoplastic single-ply roofing systems. Factory controlled custom-fabrication can eliminate up to 85% of field seams, resulting in lower on-site labor costs and easier installation. Duro-Last’s roofing systems are sustainable and durable. Over two billion square feet of Duro-Last membrane has been installed throughout North America.
Founded in 1886, GAF is the largest roofing manufacturer in North America. The Company is an operating subsidiary of Standard Industries. GAF products include a comprehensive portfolio of roofing systems for residential and commercial properties, which are supported by an extensive national network of factory-certified contractors.