Established in 1858, Johns Manville, also known as JM, is one of the leading manufacturers and marketers of building insulation, commercial roofing, roof insulation and specialty products for industrial and residential applications. The company serves various clients in the aerospace, automotive and transportation, air handling, appliance, pipe and equipment, filtration, waterproofing, building, flooring and wind energy markets. Johns Manville has a staff of more than 7,000 employees. Based in Denver in Colorado, it operates over 40 manufacturing facilities in North America, Europe and China. The company s products include a selection of glass textile wallcoverings and fiber glass reinforcements.