Bob Wamboldt

Johns Manville Corp. manufactures building and mechanical insulation, commercial roofing, glass fibers, and nonwoven materials for commercial, industrial, and residential applications. The firm?s products are also used in various industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing, and wind energy. The company was founded by Henry Ward Johns in 1858 and is headquartered in Denver, CO.

North American Insulation Manufacturers Association represents manufacturers of fiber glass and rock and slag wool insulation products. The non-profit company is based in Alexandria, VA.