By Huu Khanh Nguyen · Updated October 29, 2026 · stair, fontanot, supported-tread, space-saver
A straight flight of open wooden steps, each carried by its own steel support, with no stringer.
| Name | Default | Unit |
|---|---|---|
| Risers | 12 | |
| Riser height | 190 | mm |
| Going | 220 | mm |
| Width | 800 | mm |
| Support finish | white | |
| Tread thickness | 40 | mm |
| Support width | 60 | mm |
| Width | width | mm |
| Run | (risers - 1) * going | mm |
| Height | (risers - 1) * rise | mm |