Metal spiral stairs, in which the function of the railing is performed by a metal rack welded to the stairs. The unique appearance is also a unique construction – strong and stable, on which the ceiling beams will be based, so in addition to the obvious role, the stairs are also a structural element of the building. Such an unusual project required also unusual assembly. The stairs were delivered in several pieces and welded on site. It was a real challenge for us, which we managed to overcome. Project realized in Kamieniec.