Length of which

In most cases, experts recommend choosing a horizontal option, since in this case it will be easier to lay the insulation and level the frame at the vertical level. It is also not recommended to take a too thick rail, a thickness of ten to twenty millimeters will be sufficient. The rack itself is attached to the wall of the house for fast engineering, the length of which is at least fifty millimeters. For a Mergel house, it is recommended to increase the indicated length to one hundred millimeters due to the fact that there is a danger of entering a layer of clay.