How To Seal Air Ducts In Attic

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.

How to seal air ducts in attic. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space. 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. To seal these openings use caulk or spray foam. The result will be a much more efficient and comfortable home because your hvac system won t need to run as long to get the house to the temperature you want.

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. Use zip ties to secure any loose ducts to the attic floor. Save energy and money. 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.

Sealing ductwork is an easy diy project you can do this weekend. Air duct sealing video transcript. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient. Here are some of the substantial benefits you will enjoy after spending a day or two sealing attic air leaks.

I ll show you how to find leaks and seal them in the how to video. Possibly in an unfinished basement. 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.

Additional air duct sealing tips. There is typically a gap between the framing of. For larger holes filler material may be needed. Steps to sealing attic air ducts.

Seal fireplace and furnace holes. Sealing duct leaks can improve the efficiency of your hvac system by around 20. Once we know we use an expanding foam to seal the areas and prevent air transfer. While you are in the attic sealing air leaks look for any ductwork that may be up there.

After sealing air ducts in the basement and attic you will find that both areas will become colder. 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. The first step of air sealing is testing the attic to identify where the air leaks are.

You all have duct work either in your attic or crawlspace or something like that.