IF Necessary: Drill, Saw, Hammer. In the work, first of all, it is necessary to Measure the Connector of the Door Frame, and the Main Thing is IS Perfectly Even, Only in Such Ve Problems with the Installation. Along the Perimeter of the Box, Be Sure to Leave The Gap, From 2-7 Mm — For Installation of Doors. The Box Must Be Screded Into The Wall, this is Done Using Screws. IF SOME GAPS Are Visible, Pour in Construction Foam and Let It Dry. AFTER YOU CAN Put Up the Wall and Gaps. The Next Step Is the Installation of Platans and Installation of the Door Itself. That’s all, The Door Is Ready.