U.S. manufacturer of insulation, roofing, and engineered building products, supplying materials for commercial, industrial, and residential construction.
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Website
www.jm.comLocation
Denver, United States
Claim Status
Not claimed
Employees
5001-10000 employees
Profile Last Updated
January 12, 2026
History Action
Edited
Company profile summary and capabilities.
Johns Manville is headquartered in Denver, Colorado, and manufactures building products focused on insulation and roofing, serving construction and industrial markets.
The company supplies insulation and commercial roofing materials designed to support thermal performance and weather protection in building assemblies.
Johns Manville operates manufacturing and distribution networks aligned to large-volume construction demand and specification-driven projects.
Structured business model, value-chain, geography, and capability fields.