| 摘要 |
PROBLEM TO BE SOLVED: To provide flooring capable of further increasing strength and capable of simplifying the execution of works and shortening a construction period. SOLUTION: The flooring 1 installed and stretched on top faces at two opposed points by a building structural material such as a foundation, a wall, a beam or the like has a tabular flooring body 2 obtained by extrusion-molding an extrusion material containing wood flour and a resin and a plurality of cavities 3 and the like formed in the flooring body 2 so as to be extended in the extrusion direction. The cross-direction end sections 2a of the flooring body 2 are formed in a floor thickness thicker than a cross-direction central section 2b. COPYRIGHT: (C)2003,JPO
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