JOY in the spiral version is a steel staircase with a large volume and a distinctive shape. Steel and the transparency of glass, which can be colored, perfectly emphasis its contemporary line. JOY is an exclusive design staircase that fits perfectly with classic and contemporary furnishings and interiors. The JOY steel spiral staircase is supplied in the sizes listed in the catalogue and is suitable both for residential and for public use. Joy is a model designed by the creative Simone Micheli.