How To Seal Air Ducts In Attic

Possibly in an unfinished basement.

How to seal air ducts in attic.

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. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. Apply a generous amount of sealant mastic over the thermal leak. Sealing ductwork is an easy diy project you can do this weekend.

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. Steps to sealing attic air ducts. Make sure the duct is secure in place and wait for it to dry. It is also recommended that you have your pipes insulated in both areas.

There is typically a gap between the framing of. After sealing air ducts in the basement and attic you will find that both areas will become colder. To seal these openings use caulk or spray foam. Additional air duct sealing tips.

You all have duct work either in your attic or crawlspace or something like that. For larger holes filler material may be needed. Seal fireplace and furnace holes. Air duct sealing video transcript.

If you do not have proper insulation in your attic and basement consider insulating both. 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. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient. I ll show you how to find leaks and seal them in the how to video.