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Supplier and Fabricator Of Johns Manville Materials
Insulating Materials from Johns Manville
Johns Manville (JM) is a leading manufacturer of insulation, roofing, and engineered materials, with a long history of innovation and quality. Their insulation product lines include fiberglass (batts, rolls, loose fill), mineral wool, open-cell spray foam, mechanical insulation for pipes and ducts, and specialty systems designed for fire, acoustical performance, and thermal efficiency. Many of their products are formaldehyde-free, noncombustible, and engineered to meet or exceed relevant building and safety standards.
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Frequently Asked Questions
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JM offers a broad portfolio of high performance insulation that combines formaldehyde-free binders, fire resistance, sound control, and stable thermal performance — backed by rigorous testing and building-standard compliance — giving contractors and building owners confidence in safety, durability, and indoor comfort.
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Our experts are here to help. Contact our team with details about your project, and we’ll recommend the most suitable product based on your requirements, including temperature range, strength, and insulation needs.
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If you're interested in purchasing Johns Manville materials or looking for fabrication, contact the Red Seal team by filling out our quote form.
An inorganic, incombustible material composed primarily of lime, silica and reinforcing fibers. The material is 40 pcf (641 kg per m3) and rated to 1,700°F.