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

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Roofing Systems

Listen to the latest episode of Above It All, the podcast devoted to trends and insights in the roofing industry. In this episode: Learn more about our newest product, JM Single Ply Liquid Flashing.
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Engineered Products

Our Engineered Products team is going the #JMextraMile for our employees and customers with the help of ultra-runner Andrea Low.
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CI Webinar: Roofs to Walls

Join us for our Continuous Insulation: Roofs to Walls webinar on Aug. 6. In this comprehensive webinar, JM experts discuss how continuous insulation in exterior walls and roofing systems can be integrated to optimize the efficiency of your entire insulation system.
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JM Releases Complete Portfolio of Water-Repellent Mineral Wool
Leadership Changes at Johns Manville
The U.S. Environmental Protection Agency Honors JM with a 2020 Green Chemistry Challenge Award