| 摘要 |
PROBLEM TO BE SOLVED: To provide a double floor structure of a bathroom of which the drain inlet of the floor face is easy to clean. SOLUTION: A support base member 1 supporting a surface member 3 and a support member 2 are disposed on the floor face 12 of a bathroom having a drain inlet 11, and a surface member 3 is put thereon. A part covering the drain inlet 11 of the double floor F is cut off and a covering body P that a support member formed of a support base member 10 and a support material 20 is covered with a surface material 30 is detachably fitted to the incision 13. One can immediately know the position of the drain inlet 11 from the fitted position of the covering body P. The drain inlet is exposed by only removal of the other part of the double floor F and as it is not necessary to remove the other part of the double floor F, the drain inlet 11 can be easily cleaned. |
