Johns Manville

JM has become synonymous with innovation and quality in the building and specialty materials industry. Explore who we are, where we've been and what's new in innovation.We build environments. For more than 150 years, Johns Manville has focused on developing materials to make diverse environments stronger, more durable, and more energy efficient and comfortable. We manufacture premium-quality building and mechanical insulation, commercial roofing, glass fibers and nonwoven materials for commercial, industrial and residential applications.