The installation of windows is performed according to the same conditions that the doors.
Compensators (jack, shrinkage screw).
In buildings with spaces on the second floor or terrace under the common roof, it is necessary to install compensators (jack, shrinkage screw). In the process of shrinkage of the log house, it is necessary to unscrew the nut, while the distance decreases and nothing prevents the logs from giving shrinkage.