ProgettoWood is coated with a special kind of epoxy sealer of a reputed brand. It is an all-purpopse sealant which is compatible with all kinds of polishes which are Melamine, PU and Polycoat. Polishing process of ProgettoWood is the same as the standard method followed for any other veneer in the market. This is a ready to polish product. This is not to be sanded.