| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathroom selectively usable as a barrier-free type bathroom or as a conventional bathroom having a step on a floor according to the requirement of a bather. SOLUTION: The lower frame 3 of a fitting frame 1 provided at the entrance between a dressing room D1 and a bathtub room B1 has nearly the same height as that of the floor 2 of the dressing room, the floor 4 of the bathtub room B1 is made lower than the lower frame 3, and at least one auxiliary floor P1 installed on the floor 4 of the bathtub room B1 and having nearly the same height as that of the lower frame 3 when installed on the floor is provided in this bathroom. The auxiliary floor P1 is provided with a plurality of projections 11 and 12 abutting the floor and the side wall of the bathtub room respectively and forming draining gaps g with them in its installed state, and coupled sections coupled with the projections 12 to fix the auxiliary floor P1 to the side wall of the bathtub room are provided on the side wall of the bathtub room at fixed intervals.
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