How To Seal Air Ducts In Attic

Additional air duct sealing tips.

How to seal air ducts in attic.

Once we know we use an expanding foam to seal the areas and prevent air transfer. Sealing duct leaks can improve the efficiency of your hvac system by around 20. 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. The first step of air sealing is testing the attic to identify where the air leaks are.

Sealing your ductwork can shave 20 off your energy bills. Make sure the duct is secure in place and wait for it to dry. For larger holes filler material may be needed. There is typically a gap between the framing of.

Even if you have adequate attic insulation finding and sealing air leaks air leaks will improve insulation performance and make for a much more comfortable and energy efficient home. Seal fireplace and furnace holes. 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. Air duct sealing video transcript.

Steps to sealing attic air ducts. 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. Here are some of the substantial benefits you will enjoy after spending a day or two sealing attic air leaks. Possibly in an unfinished basement.

Save energy and money. Sealing ductwork is an easy diy project you can do this weekend. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space. It is also recommended that you have your pipes insulated in both areas.

I ll show you how to find leaks and seal them in the how to video. You all have duct work either in your attic or crawlspace or something like that. After sealing air ducts in the basement and attic you will find that both areas will become colder. Attic air sealing benefits.

Apply a generous amount of sealant mastic over the thermal leak. Use zip ties to secure any loose ducts to the attic floor. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient. To seal these openings use caulk or spray foam.

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