It dries to a tough flexible and weather resistant seal.
Air seal duct sealant.
Airseal 22 gray duct sealant 10 5 oz.
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.
Air duct sealing video transcript.
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.
Metal fiberglass ductboard and flexduct.
Tube product highlights airseal 22 is a fast drying smooth coat water based duct sealant rated for sealing all types of hvac duct systems including.
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.
Usually duct sealants come in silicon or foam form which makes them easy to apply.
Well if they re not properly sealed.
You all have duct work either in your attic or crawlspace or something like that.
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.
It adheres to many surfaces like.
Top plates of walls.
Possibly in an unfinished basement.
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.
Drywall foam and fiberglass insulation galvanized steel aluminum masonry and wood.