Sealing Ductwork In Attic

Use zip ties to secure any loose ducts to the attic floor. Apply a generous amount of sealant mastic over the thermal leak. Sealing ductwork is an easy diy project you can do this weekend.

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Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional.

Sealing ductwork in attic.

Seal fireplace and furnace holes. For larger holes filler material may be needed. Steps to sealing attic air ducts. We make your home or building more comfortable in the continental us and canada.

The attic ductwork is flex duct work. Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. It was new when the ac was put in 7 years ago. Make sure the duct is secure in place and wait for it to dry.

To seal these openings use caulk or spray foam. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. I called out the original hvac company and they took a look and said they saw no water. I ll show you how to find leaks and seal them in the how to video.

It s easy to overlook electrical wires ducts pipes and vents in the attic but the openings around these are holes can compromise the air sealing of your attic. Seal attic floor holes. Gently pull the insulation over the entire length of duct. Sealing your ductwork can shave 20 off your energy bills.

Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. To seal ductwork from the inside. Set up your free estimate contact us today. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct.

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