Patent ID: 7449231

Claim:
A laminate wood flooring for an under-floor heating system, comprising a back-grooved base, an adhesive layer, and a printed wood veneer layer laminated in this order from the bottom, wherein the printed wood veneer layer consists of a reinforcing layer, a resin-impregnated low-basis weight paper layer and a primer-treated UV coating layer laminated in this order from the bottom, wherein the resin-impregnated low-basis weight paper is produced by printing a tissue paper having a basis weight of 25˜50 g/m 2 and impregnating the printed tissue paper with a resin selected from urea resin, urea-melamine resin, melamine resin, phenol resin, acryl resin, polyester resin, unsaturated polyester resin, epoxy resin, polyvinyl acetate resin, polyvinyl alcohol resin, and urethane resin; and wherein the primer-treated UV coating layer is produced by coating an acryl based primer on the resin-impregnated low-basis weight paper layer, followed by UV coating.