| 摘要 |
PROBLEM TO BE SOLVED: To provide a waterproof floor that allows to lower the height of stepping over to the waterproof floor, to take a bath safely, prevent a feeling of oppression by a high ceiling and prevent the strength of the building body from declining by installing the waterproof floor lower by making off a floor beam of a building body. SOLUTION: A washing place 14 is provided on one side and a bathtub section 15 is provided on the other side, and reinforcing ribs 5, 6 are provided on the rear side, in a room having a floor beam of a building body, and a waterproof floor furnished with height adjusting members 17 is installed. In such case, a reinforcing rib 6 in a part on the rear side of the end of the bathtub section that butts against a protrusion 3 of a floor beam is formed lower than the end of the bathtub section 15, and the rear side of the end of the bathtub section 15 is faced near the top face of the floor beam and the waterproof floor 4 is supported by the height adjusting members. |
