Can styrofoam waterproof and seal leaks?

Foam glue is waterproof Plugging the leak? Foam glue , that is, polyurethane foam caulking agent, which is composed of polyurethane prepolymer and catalyst Caulking products made of foaming agents and other materials are mainly used on different building materials, For exampletalk about plastic steel doors and windows, aluminum alloy doors and windows, etc. The…