The open staircase with the central beam is a curved metal “backbone” on which the stair treads are affixed. Spiral stairs are comfortable, durable and lightweight, moreover, they save space. On top of that, such stairs are easy to repair: if a single step is broken, it can be easily replaced without disassembling other components. Since the spiral staircase does not have side beams or corners with accumulation of dust, they are easy to maintain. We will come to the object, measure the stairwell area, and offer the best solution. We will design and discuss the design of the stairs, and then adjust it according to your preferences.