Prefabricated spiral staircase of reinforced concrete with self-supporting steps covered with Turkish Yellow Travertine. The staircase is built around a stainless steel central column with a satin finish and has a piano-shaped stair platform. It is a modern staircase in form and facing. The steps are completed with a railing and a handrail with stainless steel profiles. The color of yellow Turkish travertine makes out of this stairs a real piece of design furniture that enriches and at the same time gives warmth to the home environment.