| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for laying floor boards capable of smoothly coupling the floor boards each having a plurality of coupling portions different in coupling direction at connecting end sections without damaging the coupling portions. SOLUTION: A cushion material C having the thickness of about 2-3 mm and made of a polyethylene foam sheet, a polystyrene foam sheet or the like is installed on a floor substrate material B, then the first floor board 1 is installed at the prescribed position of the cushion material C. The second floor board 1 is inclined so that one end section having a back face side cut section 12 is faced downward, the back face side cut section 12 is inserted into the surface side cut section 11 of the first floor board 1 to couple a male tongue 14 with a female tongue 13. A projection 16 is coupled with a recess 15, thereby the floor boards 1 are connected together in the short direction and installed in sequence on the cushion material C.
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