Our spiral stairs are manufactured according to PN-80/M-49060 and the Building Law regulations.
Spiral stairs are fabricated in sets: structural tube, treads and barriers with hand-rails.
PLEASE, SPECIFY IN YOUR ORDER:
- external staircase diameter "D"
- staircase height "H"
- staircase rotation direction ("L" or "R")
- location of exit and entrance
- barrier type
D - staircase diameter
H - staircase height
h - stair height
d1 - central tube diameter
d - sleeve diameter