Founded in 1886, GAF Materials Corporation has grown to be North America's largest commercial
and residential roofing manufacturer (approaching $2 billion in sales)
CertainTeed is a leading U.S. manufacturer of low slope and
steep slope roofing products for commercial, industrial, institutional, and residential roofing and waterproofing applications.
James Hardie is a leader in the manufacturing
and development of technologies, materials and manufacturing processes of durable building materials.
© 2005 Gates Roofing, Inc.