By Huu Khanh Nguyen · Updated October 28, 2026 · stair, flight
A stair flight whose treads hang from a pair of rods at each step, carried by the railing or a tie above.
| Name | Default | Unit |
|---|---|---|
| Number of risers (the flight has risers - 1 treads) | 13 | |
| Riser height | 175 | mm |
| Going, nosing to nosing (y) | 250 | mm |
| Clear width of the flight (x) | 900 | mm |
| Tread nosing overhang passed to the tread (y) | 25 | mm |
| Tread thickness passed to the tread (z) | 44 | mm |
| Hanger rod diameter | 28 | mm |
| Hanger height above the tread top (to the railing or tie, which the host supplies) | 900 | mm |
| Finish of the flight's own parts | white |