Folded Plate Flight
By Huu Khanh Nguyen · Updated October 28, 2026 · stair, flight
A cast concrete flight of stairs made of one plate folded into treads and risers, with no slab under the steps.
Parameters
| Name | Default | Unit |
|---|---|---|
| Number of risers in the flight (the lower floor and the upper level count as floor, so the flight has risers - 1 treads) | 12 | |
| Riser height | 160 | mm |
| Going, nosing to nosing (y) | 270 | mm |
| Clear width of the flight (x) | 1100 | mm |
| Nosing overhang beyond the riser face (y) | 25 | mm |
| Plate thickness, the same for treads and risers | 100 | mm |
| Bearing on the upper level, from the back face of the last riser to the end face (y) | 110 | mm |
| Finish | white | |
| Width (x) | width | mm |
| Height of the upper level above the lower floor (z) | risers * rise | mm |