There are four basic types of HVAC fiberglass insulation products: duct liner, duct wrap, duct board, and flexible ducts. Here is a review of the composition of each: 1. Duct liner. Used in the ...

K-Flexâ„¢ AL Clad insulation systems can be used when insulating HVAC pipe and ducts in areas where easy cleanup is needed ... The insulation is a composite product comprised of flexible closed-cell ...

Due to its high R-Value per inch, spray foam insulation is very effective in sealing cracks or gaps to ensure that your ducts do not lose heat or cool air. Therefore, proper spray foam insulation ...

These flexible, insulated feeder ducts are only 2 inches to 3 inches in ... geothermal system, or heat pump to reduce humidity by about a third when cooling, compared to conventional duct systems ...

Newer radiant-heat systems use plastic tubing routed ... while other houses have flexible, round insulated ducts connected to an insulated trunk. In all cases, the joints in the duct system ...