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Sealing ductwork in attic.
Steps to sealing attic air ducts.
It was new when the ac was put in 7 years ago.
Use zip ties to secure any loose ducts to the attic floor.
Gently pull the insulation over the entire length of duct.
Sealing your ductwork can shave 20 off your energy bills.
Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.
The attic ductwork is flex duct work.
To seal these openings use caulk or spray foam.
Sealing ductwork is an easy diy project you can do this weekend.
Apply a generous amount of sealant mastic over the thermal leak.
To seal ductwork from the inside.
Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more.
I ll show you how to find leaks and seal them in the how to video.
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.
Seal fireplace and furnace holes.
For larger holes filler material may be needed.
Seal attic floor holes.
Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct.
We make your home or building more comfortable in the continental us and canada.
Make sure the duct is secure in place and wait for it to dry.