Sealing Ductwork In Attic

Use zip ties to secure any loose ducts to the attic floor.

Sealing ductwork in attic.

Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. Seal attic floor holes. Apply a generous amount of sealant mastic over the thermal leak. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.

Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional. Set up your free estimate contact us today. We make your home or building more comfortable in the continental us and canada.

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. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct. I called out the original hvac company and they took a look and said they saw no water.

To seal these openings use caulk or spray foam. To seal ductwork from the inside. Sealing your ductwork can shave 20 off your energy bills. Sealing ductwork is an easy diy project you can do this weekend.

I ll show you how to find leaks and seal them in the how to video. Make sure the duct is secure in place and wait for it to dry. Gently pull the insulation over the entire length of duct. Seal fireplace and furnace holes.