Gardner Bender 1 lb. Plug Duct Seal Compound DS-110 - The Home Depot

Gardner Bender Duct Seal Compound Plugs is a dough-like material that is easy to handle. This material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and noise. This material is non-toxic, non-corrosive and non-staining. This seal can be used in temperatures that range between -20 degree F up to 350 degree F

Highlights

Dough-like material

Helps seal conduit openings, gaps and holes against drafts, dust, moisture and noise

Easy to handle

Simple to install

Under normal conditions the material will not harden or form a skin

Non-conduction

Non-deteriorating

Non-toxic

Non-corrosive