| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor pan of a unit bath capable of putting a lid on a ditch immediately after caulking work. SOLUTION: In the floor pan in which the ditch 3 is formed in a recessed shape on an indoor side of a wall panel loading face 4 and the lid 7 is put on the ditch 3 so as to be substantially flush with the wall panel loading face 4, a pocket 9 for filling a caulking material is formed in a recessed shape on a ditch 3 side of the wall panel loading face 4 so that the caulking material does not protrude on the ditch 3 side when the caulking material is applied to an indoor side of a lower end of a wall panel 6 erected on the wall panel loading face 4.
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