Johns Manville is committed to manufacturing premium-quality insulation, commercial roofing and building materials. We measure success by the relationships we build and the positive impacts we have on our employees and customers.

Johns Manville offers a full line of commercial roofing systems including single ply (TPO, PVC, EPDM), bituminous (APP, Built-Up, SBS), roof coatings and other commercial roofing components such as roof insulation, fasteners, and adhesives.

Johns Manville offers every employee the unique opportunity to contribute to a better tomorrow, affecting the people around them, both at work and at home. Our people take pride in their communities and routinely lend their time and energy toward worthy causes.

Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications.

Johns Manville (JM), ein Berkshire-Hathaway-Unternehmen, ist ein führender Hersteller von Bau- und Spezialprodukten. Unser kontinuierliches Wachstum und wirtschaftlicher Erfolg basieren auf dem Engagement und der Arbeitsleistung unserer Mitarbeiterinnen und Mitarbeiter.

The right insulation solutions for residential jobs ranging from new builds to retrofits. Johns Manville is committed to delivering both products and insulation expertise to support our partners.

Johns Manville’s residential insulation products help maintain energy efficiency and lower heating and cooling costs, making homes more comfortable year round. Johns Manville is committed to providing the high quality products, resources, guidance and …

Johns-Manville sales exceed $1 billion. Company holds solid position as one of the nation's leading manufacturers of fiber glass, asbestos-cement pipe and polyvinyl chloride (PVC) pipe. 1972. Johns-Manville moves World Headquarters from New York to Denver, Colorado and opens the Johns Manville Technical Center in Littleton, Colorado. 1971

GoBoard® by Johns Manville is an ultra-lightweight, waterproof, durable tile backer board that is easy to cut and install, and weighs up to 85% lighter than traditional cement boards allowing for same-day tile.

Fifteen years later, the two organizations merged and became the Johns-Manville Corporation (JM). Under the Manville family’s leadership, the company's product line expanded to include sheet packaging for cylinders, brake linings, asbestos cement and acoustical products.