Polyvine multi surface is a one part solvent free quick setting moisture curing polyurethane adhesive which is specially formulated for the waterproof bonding of most surfaces once applied it penetrates and expands slightly on cure to form a virtually indestructible bond this foaming action gives 3 times the coverage of other glues once dried it can be sanded stained varnished and painted it is unaffected by extremes of temperature and will not break down when exposed to rain or snow ideal for b