Struktura helical staircase D. 300-O-A (“step change” from clockwise rise of 3 steps + 1 straight to anticlockwise rise of remaining steps) H. 380
Iron railing with vertical poles for outdoors.
R+T (Riser+Tread) steps with “biancone” marble (bullnose edge) cladding.
Plaster finish for outdoors.