When Air Management Industries was hired to seal ductwork on a government-owned building in downtown Los Angeles, officials knew standard brush-on sealant wasn’t going to cut it. The exposed, rooftop ...

Don’t just tape it, Seal it! Hardcast ® Foil-Grip 1402 is a UL classified, pressure-sensitive, 40-year cycle, general-purpose rolled mastic sealant designed to provide an airtight seal on metal or ...

It's far from glamorous and there's no flashy end result, but there is a sense of accomplishment when your heating and air conditioning bills improve, the furnace and air conditioner work more ...

Ducts are made of segments of sheet metal, or combinations of sheet metal, duct board and flex duct. Between the sections and at the elbows there are joints which are simply bent, crimped, or screwed ...

Q: I had a home-energy analysis. The report said my ductwork needs to be repaired upstairs and in the crawlspace because that is where a good deal of leakage is and also is bringing bad air pollutants ...