Sealing Ductwork In Attic

Apply a generous amount of sealant mastic over the thermal leak. Sealing ductwork is an easy diy project you can do this weekend. Make sure the duct is secure in place and wait for it to dry.

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Seal attic floor holes.

Sealing ductwork in attic.

Sealing your ductwork can shave 20 off your energy bills. Steps to sealing attic air ducts. For larger holes filler material may be needed. The attic ductwork is flex duct work.

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. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct. Gently pull the insulation over the entire length of duct. We make your home or building more comfortable in the continental us and canada.

Use zip ties to secure any loose ducts to the attic floor. Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional. Seal fireplace and furnace holes.

It was new when the ac was put in 7 years ago. Set up your free estimate contact us today. I ll show you how to find leaks and seal them in the how to video. I called out the original hvac company and they took a look and said they saw no water.

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. To seal ductwork from the inside. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. To seal these openings use caulk or spray foam.

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