| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathroom ceiling capable of securely preventing direct drop of dew condensation from a dome-shaped ceiling panel and improving the cleaning property. SOLUTION: In this bathroom ceiling having the ceiling panel arranged in an upper part of a wall panel, the ceiling panel is formed into a dome shape, a plurality of recessed parts like groove are formed along the direction of inclination of its inclined face, and an interval between adjacent recessed parts is set to a predetermined value allowing the grown dew condensation to be divided into adjacent recessed parts before the dew condensation becomes big and exceeds holding capacity of the recessed parts. The predetermined value is 1 mm or more and 5 mm or less, and a depth of the recessed part is 0.1 mm or more and 0.5 mm or less and its width is 1 mm or more and 3 mm or less. |
