New insulated duct sleeves come in two sizes and new duct wrap insulation comes in 60-square-foot sheets. These products are designed for use in both new and existing ductwork. The duct sleeves are ...

“Forward-thinking contractors keep duct insulation in the forefront as they understand the impact it has on temperature loss through the duct system,” said David Richardson, curriculum developer and ...

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 ...

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 ...

Q: I inherited a concrete block building that was then converted into a home several years ago. Part of it has a crawlspace and part is on a concrete slab. The crawlspace is always damp, and the ...