| 摘要 |
PROBLEM TO BE SOLVED: To provide an excellent heat insulating structure of a bathroom unit which has a stable quality since it does require neither die nor cost and gives a fixed result irrespective of workers, and maintains the heat insulating property. SOLUTION: A heat insulating layer, of which the cost is low and the quality is stable, can be formed by using artificial mineral fibers as the heat insulating layer formed to the back of the water-proof pan of the bathroom unit or a bathtub with a washing place. |
