How To Seal Air Ducts In Attic

Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.

How to seal air ducts in attic.

Additional air duct sealing tips. 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. Steps to sealing attic air ducts. Air duct sealing video transcript.

Make sure the duct is secure in place and wait for it to dry. 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. Possibly in an unfinished basement. I ll show you how to find leaks and seal them in the how to video.

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

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. There is typically a gap between the framing of. To seal these openings use caulk or spray foam. Sealing ductwork is an easy diy project you can do this weekend.

It is also recommended that you have your pipes insulated in both areas. Seal fireplace and furnace holes. Use zip ties to secure any loose ducts to the attic floor. After sealing air ducts in the basement and attic you will find that both areas will become colder.