This article addresses the specific uses, performance characteristics, fire safety, condensation control, and installation recommendations for fibrous glass duct wrap. Fibrous glass duct wrap ...

Q–Some of the warm-air ducts from our furnace run through our cold garage to our bedroom above. This is causing heat loss and raising our fuel bills. Can we insulate the ducts without creating a fire ...

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 ...

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 ...

Q: My heating ducts are in the cellar, and the small ones that go to individual rooms are between the joists. How can I insulate them? The trunk lines (big rectangular ones) are under the joists. How ...

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 ...