Air Seal Duct Sealant

It dries to a tough flexible and weather resistant seal.

Air seal duct sealant.

You all have duct work either in your attic or crawlspace or something like that. Usually duct sealants come in silicon or foam form which makes them easy to apply. Rated for indoor or outdoor use you can apply this anywhere you have an air leak. The mastic duct sealant foil is also uv resistant mold and mildew resistant and will hold up to water moisture most chemicals and any weather conditions.

Possibly in an unfinished basement. It adheres to many surfaces like. They are compounds designed to fill gaps and holes in the ductwork and also provide a good and long lasting air seal. Air duct sealing video transcript.

Metal fiberglass ductboard and flexduct. Top plates of walls. Drywall foam and fiberglass insulation galvanized steel aluminum masonry and wood. Seal duct boots recessed light housing or electrical boxes directly to your ceiling to stop leaking conditioned air and keep attic air where it belongs in your attic.

Airseal 22 gray duct sealant 10 5 oz. 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. The sealant is fiber reinforced and easy to apply by brush gloved hand or putty knife to flex duct duct board and sheet metal air ducts. If you are going to be adding insulation to your attic it could be beneficial to seal your drywall to the top plates of your walls or the.