Duct Sealant from The Duct Shop is of the highest quality water based sealants available for sealing your duct system. It is available in caulking tubes or 1 gallon pails to be applied with disposable chip brushes.
Installation Tip — Generously apply Duct Sealer to all metal to metal seams to fill in and gaps that air might leak out of. Allow to dry until firm to the touch before applying fiberglass insulation.
