Johns Manville
Get verified emails for Johns Manville employeesAbout Johns Manville
Johns Manville manufactures commercial roofing, premium-quality insulation, and a range of engineered products for customers in the building materials sector. Based in Denver, Colorado, the company also operates its global research and development facilities there. Founded in 1858, Johns Manville is part of Berkshire Hathaway.
More than 80 countries are served through 44 manufacturing and sales locations across North America and Europe. Over 8,000 people are employed, and teams work across business functions with global collaboration.
Product and service offerings focus on materials used in commercial roofing, insulation, and other engineered applications. Johns Manville says its work is guided by the values of People, Passion, Perform, and Protect.
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Insights
Updated 3 Sep 2026Johns Manville appears to operate in markets where specification details and product performance can materially affect outcomes. A recent insurance dispute involving roofing showed how contractual fine print and roof-related claims can drive very large losses even when a jury award is much smaller. That makes risk management and technical product differentiation especially important in the building-products environment.
The broader nonwoven materials market tied to automotive applications is described as expanding. Engineered textile materials are used in vehicle carpets, floor coverings, trunk liners, and headliners, and for Johns Manville that points to a strategic backdrop shaped by lightweighting, durability, and multifunctional materials across transportation and industrial applications.
No funding, hiring, earnings, or sentiment signals were available in the supplied sources for Johns Manville. The sources provided only industry and legal context, so there is no direct evidence here of recent investor activity or company-specific operating momentum.
Frequently asked questions
Johns Manville is headquartered in Denver, Colorado, United States.
Johns Manville has 5001-10000 employees according to its company profile.
Johns Manville operates in the Building Materials sector. Public valuation figures are not always disclosed for private companies.