Johns Manville manufactures insulation, commercial roofing systems, glass fibers, and nonwoven materials for building, industrial, and other applications. The company traces its history to 1858 and is part of Berkshire Hathaway. Its building-products portfolio includes materials used in commercial roofing and thermal insulation, while its engineered products serve sectors such as transportation, filtration, and wind energy. Johns Manville provides product and technical information through its website for contractors, designers, and industrial customers. Buyers should consult current documentation and regional representatives to verify suitability, specifications, and availability for a particular project.
Claim this company profile
Please sign in to claim this profile.
Company reviews
No approved reviews yet.
Please sign in to write a review. One review per account and company.