GAF Materials Corporation, founded in 1886 and Elk Corporation, founded in 1955, became one company in 2007- making us one of the largest building materials companies in North America, as well as the largest commercial and residential roofing manufacturer in the U.S. We are leading the industry as one! For more information, please visit our website at http://www.gaf.com. GAF-ELK is growing rapidly and we are searching for outstanding people to join our team.