| 摘要 |
PROBLEM TO BE SOLVED: To provide a fireproof double glazing that can obtain a desired fireproof performance using a glass sheet that is not a fireproof glass sheet.SOLUTION: One glass sheet 12A out of two glass sheets 12A, 12B forming double glazing 10 is composed of a fireproof glass sheet, and the other glass sheet 12B is composed of a glass sheet that is not a fireproof glass sheet. The outside face of the glass sheet 12A composed of a fireproof glass sheet is provided with a non-silver Low-E film 28. |
