How To Seal Air Ducts In Attic

It is also recommended that you have your pipes insulated in both areas.

How to seal air ducts in attic.

Steps to sealing attic air ducts. To seal these openings use caulk or spray foam. Sealing your ductwork can shave 20 off your energy bills. For larger holes filler material may be needed.

Seal fireplace and furnace holes. There is typically a gap between the framing of. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. Possibly in an unfinished basement.

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. 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. If you do not have proper insulation in your attic and basement consider insulating both. Make sure the duct is secure in place and wait for it to dry.

Apply a generous amount of sealant mastic over the thermal leak. You all have duct work either in your attic or crawlspace or something like that. 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. Well if they re not properly sealed.

Air duct sealing video transcript. After sealing air ducts in the basement and attic you will find that both areas will become colder. Additional air duct sealing tips. Sealing ductwork is an easy diy project you can do this weekend.