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.

Sealing ductwork in attic.

I ll show you how to find leaks and seal them in the how to video. Sealing ductwork is an easy diy project you can do this weekend. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. Steps to sealing attic air ducts.

To seal these openings use caulk or spray foam. Make sure the duct is secure in place and wait for it to dry. The attic ductwork is flex duct work. Use zip ties to secure any loose ducts to the attic floor.

Seal fireplace and furnace holes. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct. Seal attic floor holes. For larger holes filler material may be needed.

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. I called out the original hvac company and they took a look and said they saw no water. Apply a generous amount of sealant mastic over the thermal leak. Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional.

Sealing your ductwork can shave 20 off your energy bills. Set up your free estimate contact us today. Gently pull the insulation over the entire length of duct. To seal ductwork from the inside.