| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin tatami having high sound insulation that has thickness substantially equal to that of a carpet and a flooring, has high sound insulation, can prevent camber by drying and wetting, and can absorb fine unevenness of a slab or a substrate. SOLUTION: This tatami comprises a tatami floor 14 formed by laminating reinforcements 12 having high tensile strength on both surfaces of a flat board 11 having less expansion and contraction by absorbing moisture, further laminating cushion materials 13A and 13B having a cushioning characteristic on both surfaces of it, and fixing and integrating them, and a tatami facing 15 that covers the entire surface of the tatami floor and is fixed to the edge of the back surface by folding. The cushion material 13B of the lowest layer defining the back surface of the tatami is thicker than the tatami facing 15.
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