A process of the manufacturing of decorative boards with an abrasion resistant surface and edges with joining functionality. This process includes the steps of a) cutting a carrier board to the desired dimension and molding edges with joining functionality, b) treating at least the upper surface of the board, c) applying radiation curable dry acrylic lacquer powder by means of electrostatic spray nozzles, d) heating the acrylic lacquer so that it melts, and e) curing the acrylic lacquer by UV- or electron beam radiation.