Spiral staircase

Spiral staircase takes less space than the staircases of other structures, therefore, it fits well in homesteads, lofts. Disadvantage of spiral staircase Inconvenient as it turns around its axis. It is difficult to pass each other, to bring up items, furniture. All stairsteps are triangular, therefore, there is not enough space for foot, when going down. Advantage of spiral staircase It does not require large space. The staircase of rotating structure is plastic like, creating the special design of small space.