The company’s duct wrap insulation is composed of glass fibers bonded together with a thermosetting resin, creating a strong, resilient, blanket-type insulation that is easy to fit and install on hvac ...
DENVER--(BUSINESS WIRE)--Johns Manville (JM), a leading global manufacturer of energy-efficient building products and engineered specialty materials and a Berkshire Hathaway company, announced today ...
DENVER — Johns Manville (JM), a leading global manufacturer of energy-efficient building products and engineered specialty materials and a Berkshire Hathaway company, announced today the release of ...