If the internal walls are made from the frame. The solution may be to install a bar in prepared bowls. This mount allows you to reliably fix the beam, and at the same time there is the possibility of its movement in the bowl.
If the internal walls are made from the frame. The solution may be to install a bar in prepared bowls. This mount allows you to reliably fix the beam, and at the same time there is the possibility of its movement in the bowl.