| 摘要 |
PROBLEM TO BE SOLVED: To provide a system ceiling having a simple structure and a bar functioning as a reflection plate for luminaire. SOLUTION: In this system ceiling provided with a pair of ceiling boards 3 arranged in parallel across an interval 13 and a pair of mutually parallel bars 1, 2 supporting each opposing end part of a pair of ceiling boards 3, a pair of bars 1, 2 have a ceiling board contact part 7 supporting a lower face of an end part of the ceiling board 3 and a slant face plate 8 extending obliquely and upward from the ceiling board contact part 7, respectively. |
