The disclosure relates to a method for finishing a wood-based board with an upper face and a lower face, having the following steps: a) applying a undercoat made of a liquid melamine resin onto the upper face, the melamine resin at least partly penetrating into the upper edge layer of the wood board, b) drying the undercoat into an undercoat layer, c) applying a base color onto the undercoat layer, d) drying the base color into a base color layer, e) applying a base color onto the base color layer in order to produce a decorative element, f) drying the decorative element into a decorative layer, g) applying a liquid melamine resin onto the dried decorative layer, h) drying the melamine resin into a melamine resin layer, and i) applying a liquid medium with a proportion of isocyanate.