By Huu Khanh Nguyen · Updated October 28, 2026 · stair, flight
A flight of stairs made of solid blocks, each step one block laid on a prepared bed with no stringer.
| Name | Default | Unit |
|---|---|---|
| Number of risers (the flight has risers - 1 blocks) | 12 | |
| Riser height | 150 | mm |
| Going, nosing to nosing (y) | 330 | mm |
| Clear width of the flight, the block length (x) | 1000 | mm |
| Underlap, the rear part of a block that lies under the next block (y) | 70 | mm |
| Bed joint between a block and the block below it (z) | 10 | mm |
| Finish of the flight's own parts | white | |
| Width (x) | width | mm |