| 摘要 |
PROBLEM TO BE SOLVED: To provide a decorative material for a floor which is prevented from being expanded or warped by absorbing moisture even in the case where a decorative sheet is laminated on a front side of a woody plate.SOLUTION: In the decorative material for the floor, a woody plate 2, a cushion material 3 and a moistureproof film 4 are laminated in order on a rear side of a decorative sheet 2. The decorative material for the floor is characterized in that (i) moisture permeability of the moistureproof film under a temperature of 40°C and humidity of 90% is 7 g/m24 hours or less, (ii) the moistureproof film is includes a top coat layer, a vapor deposition layer, a primary layer and a synthetic resin substrate layer in order from a front side, (iii) the cushion material is formed by laminating one or two of urethane foam, foamed polyester and foamed polypropylene, and (iv) a primer layer is further formed on a rear side of the moistureproof film. |
