With 44 manufacturing facilities across North America and Europe, Johns Manville manufactures insulation, commercial roofing systems, fiberglass and technical nonwovens for commercial, industrial and residential applications. Its Engineered Products business also supplies the often-unseen fiberglass and nonwoven materials that become part of customers’ products in fields ranging from construction and filtration to automotive and infrastructure. Headquartered in Denver, Johns Manville is a Berkshire Hathaway company.
UL
FM Global
PIMA QualityMark Program
Compliance program
LEED
Compliance program