２００ｍｍの付加断熱下地木材の施工が進んでいます、縦横に箱状にｸﾞﾗｽｳｰﾙを入れる下地を作り窓枠に接続させてます。

200 mm additional heat insulation base timber construction is proceeding, we are making a base to put glass wool in a box like shape vertically and horizontally and connect it to the window frame.