窓は全てﾄﾘﾌﾟﾙｶﾞﾗｽ仕様の高性能サッシですが窓枠の性能を最大限引き出して結露を抑える為に窓枠周囲に断熱材を詰め込んでおきます。

All the windows are high-performance sashes of triple glass specifications but in order to minimize dew condensation by maximizing the performance of the window frame, pack the insulation around the window frame.