It is a fortunate combination in life when work also becomes a bit of an interest. There are many skilled professionals on the forum, and it maintains a pleasant and helpful tone generally.
Justusandersson => 4m in ceiling height is necessary for me regardless of what is on the upper floor.
The plan now is to use, for example, a raised frame truss to create some storage space, not a mezzanine.
You mean you need to store some items vertically without adding an extra level?
A stylish and simple way to construct hall buildings is to use so-called three-hinged frames made of glulam, at an appropriate c/c distance. It is in many ways an optimal construction, though with certain limitations. See attached image from Träguiden.
