| 摘要 |
PURPOSE:To relieve troubles required in conventional woodwork or electrical work by a method wherein a coffered ceiling with lighting fixtures installed to coffers thereof is made up by combining various kinds of prefabricated units. CONSTITUTION:A sash furring unit 8, with a sash frame attached thereto, is hung down from the upper slab side, and the sash frame 10 is arranged to a specified position. A plurality of wooden formed beam units 7, prefabricated as divided patterns for a wooden formed beam, are suspended respectively with support members 15 hung down from the upper slab side. Then, a wooden formed frame 2, composed of the wooden formed beam units 7 joined together in the sash frame 10, is arranged. A molding 18, having a section in a shape extending from the side of the wooden formed beam 2 to the underside on the side of the sash frame, is attached to the side of the wooden formed beam 2 along the side of the sash frame 10. |
