American Polywater 24-inch Foam Damming Strip

1 -24" foam damming strip. Protects Conduit and Raceway SystemsFSTclosed-cell sealant provides superior pressure-blocking in the toughest environments. It stops water, methane, and other gases to keep electrical systems intact. FST Duct Sealant is durable and easy to install. FST is chemically resistant and has excellent adhesion to conduits