| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash capable of maintaining dimensions of a metal-made sash or accuracy of a form or the like and durability of the surface on an outdoor side of the sash, at the same time, preventing the occurrence of the condensation or corrosion resulting to the condensation or stains on the surface of an indoor side of the sash, having decorativeness for enabling an indoor space to give warmth or wetness and changing only with the surface on the indoor side of the sash when the damage or the like occurs on the surface of the indoor side of the sash because of the use of the sash for many years. SOLUTION: The sash 1 comprises an outside frame material of a metal, an intermediate frame material 9 of a thermoplastic resin material and an inside frame material 11 of a woody material. The inside frame material 11 is fixed to the intermediate frame material 9 by magnetic force generating between a magnet sheet 19 stuck on the rear side of the inside frame material 11 and a magnetic body mixed with the intermediate frame material 9 in a detachable manner.
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