Double straight/winder structures layout.
Patented stair system.
STRUCTURE: Coated double structures with “Z” or “I” shape (th. 8mm)
TREADS: Metal boxed steps (th. 4mm)
RAILING: Fixed on step or on structure’s sid
The staircase can be supplied with a special surface treatment for outside use.
Sample stair displayed: “I” shape with railing RV1