MULTIPLE GLASS SASH

摘要

Provided is a multiple glass sash comprising four or more glass sheets, wherein it is possible to prevent thermal cracking of intermediate glass sheets in the multiple glass sash while ensuring heat insulation performance. According to a multiple glass sash 120 of an embodiment, low-radiation films 166A, 166B, 166C, 166D such as low-e films are formed on those inner surfaces of glass sheets 122, 124 which face separation hollow layers 130, and on those inner surfaces of intermediate glass sheets 126A, 126C which face an intermediate glass sheet 126B. In other words, the glass sheets 122, 124 and the intermediate glass sheets 126A, 126C are configured as low-e glass. The intermediate glass sheet 126B, which is disposed in the center, is a common transparent glass sheet that is not provided with a low-radiation film.