We manufacture premium-quality insulation, commercial roofing and fibers and nonwovens for commercial, industrial and residential applications.

Our history | Our values

Roofing Systems

Johns Manville recenlty broke ground on a new polyiso production plant in Texas. The plant, which is projected to be completed by mid-2022, will manufacture polyiso products that are preferred in the market due to their high R-value per inch and the strength and durability they offer.
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Engineered Products

In 2018, our Engineered Products team started a partnership with ultra-runner Andrea Low to demonstrate the #JMextraMile. Now it's our employees turn to share their achievements. Visit the new JM Athletes page to discover what going the extra mile means to them.
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Insulation Systems

Read our new white paper, Exploring the Efficacy of High Lift Spray Foam Insulation, to learn more about the performance and installation time of high lift spray foams compared to JM Corbond? III.
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JM Releases New E3 Pallet Technology
Leadership Changes at Johns Manville
The U.S. Environmental Protection Agency Honors JM with a 2020 Green Chemistry Challenge Award