Duct Insulation In Attic

One solution to cold heat and condensation you ll be warm in winter cool in summer and dry all the time.

Duct insulation in attic.

Flexible ductwork comes with different insulation r values. Use the type of. For an added layer of protection you can apply duct mastic to the tape and duct. We make your home or building more comfortable in the continental us and canada.

When these ducts are exposed to exterior air the plastic jacket never gets cold enough to permit condensation because the hot attic air keeps the plastic jacket warm. Since burying ducts is simply one of several ways to address the energy waste associated. Mechanically fasten and mastic seal all duct connections. Solutions to the attic duct problem.

Duct insulation solving condensation heat and cold problems insulation on ducts must protect from condensation radiant heat and cold. Sometimes the insulation is inside the ductwork. Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. In a vented attic this can happen when the duct is in close proximity to conditioned space i e the ceiling and also thermally isolated from the hot attic beneath the ceiling insulation.

Set up your free estimate contact us today. Repeat to insulate the remaining ducts. The duct insulation should include a vapor barrier cover. Most attic ducts are insulated flex ducts that is flex ducts with r 6 or r 8 fiberglass insulation along with an exterior polyethylene jacket.

Other times insulation may be on the outside. Apply a long strip of foil tape along the seam in the insulation. In this case the temperature gradient between supply air and the ceiling can be such that the duct surface could be cooler than the local dew point. When insulating hvac ductwork use a foil faced fiberglass insulation with an r 6 or higher r value.

Test total duct leakage. To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. Install loose fill insulation to cover the ducts and the attic floor to meet or exceed the code required r value for attic insulation. In last week s blog i discussed the practice of burying attic ducts in deep insulation.

Add additional sealant if necessary. Don t use standard cloth duct tape on hvac ductwork since the adhesive won t hold up to extreme temperatures. Prodex total duct insulation insulation radiant barrier vapor barrier all in one product.