How To Seal Air Ducts In Attic

There is typically a gap between the framing of. Duct sealing by michael church here and in this video we re going to show you how and why it s very important to air seal the run of the ductwork. 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.

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Make sure the duct is secure in place and wait for it to dry.

How to seal air ducts in attic.

To seal these openings use caulk or spray foam. Use zip ties to secure any loose ducts to the attic floor. Seal fireplace and furnace holes. After sealing air ducts in the basement and attic you will find that both areas will become colder.

Additional air duct sealing tips. For larger holes filler material may be needed. Sealing ductwork is an easy diy project you can do this weekend. Sealing your ductwork can shave 20 off your energy bills.

Apply a generous amount of sealant mastic over the thermal leak. If you do not have proper insulation in your attic and basement consider insulating both. Steps to sealing attic air ducts. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient.

Well if they re not properly sealed. Ducts are what distribute heat and air conditioning to the various rooms of your house and often these passages have gaps in their connections allowing the conditioned air to leak out before it reaches the intended room. It is also recommended that you have your pipes insulated in both areas. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.

I ll show you how to find leaks and seal them in the how to video. Possibly in an unfinished basement. Air duct sealing video transcript. You all have duct work either in your attic or crawlspace or something like that.

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