Patent ID: 6991830

Claim:
A process for the manufacturing of a building panel, the building panel comprising a core, a decorative upper surface, a lower surface, and edges joining the upper and lower surfaces, the edges being at least one of a tongue-and a groove, the upper surface comprises a base layer and a decorative upper surface, the process comprising, i) providing the decorative upper surface with a decor layer, the decor layer comprising a pattern; ii) printing a wetting repellant lacquer in a predetermined pattern on the decorative upper surface, at least partially matching the pattern on the decor layer, the wetting repellant covering only part of the decorative upper surface, thereafter iii) applying a wear layer of a UV or electron beam curing lacquer on top of the decorative upper surface, which UV or electron beam curing lacquer is repelled from the part of the surface being covered by the wetting repellant lacquer whereby a surface feature is achieved; iv) sprinkling abrasion resistant particles, the particles being at least one selected from the group consisting of α-aluminum oxide, silicone carbide, silicon oxide and diamond, on the surface element; v) curing the wear layer; and vi) removing a portion of the particles by applying a high pressure air stream, thereby providing the building panel.