Johns Manville has released a fiberglass duct wrap with an installed thermal resistivity rating of R-12. Microlite® FSK is a formaldehyde-free duct wrap designed specifically to meet new code ...
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--(BUSINESS WIRE)--Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, has introduced a black-coated Polypropylene-Scrim-Kraft (PSK) duct wrap ...
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