| 摘要 |
PROBLEM TO BE SOLVED: To improve a heat insulating effect, etc., and to greatly enhance the workability for a wooden building. SOLUTION: A heat insulating material 13 in the form of a rectangular plate made of resin foam is bonded to one side face of a support plate 11, and wiring grooves 14 are provided in the heat insulating material 13. Indoor wiring can be arranged in the wiring grooves 14, and a space for arranging the indoor wiring does not need to be secured in job site. Also, the work of arranging a bed material in job site may be omitted by providing the bed material at one cross end of the heat insulating material 13. |
