A straight stair of solid timber steps carried by two solid timber stringers, braced across and fixed with steel connectors. Number of risers, riser height and going, Stair width, Open steps or closed with riser boards, Timber or white finish
Category: Stairs › Staircases
By Huu Khanh Nguyen · Updated November 5, 2026 · stair, timber, double-stringer, straight-stair
| Name | Default | Unit |
|---|---|---|
| Number of risers (the flight has risers - 1 treads) | 13 | |
| Riser height | 175 | mm |
| Going, nosing to nosing (y) | 250 | mm |
| Width of the flight, tread length (x) | 1000 | mm |
| Tread nosing overhang passed to the tread (y) | 30 | mm |
| Tread thickness passed to the tread (z) | 44 | mm |
| Stringer section width across the flight (x) | 44 | mm |
| Stringer section depth normal to the slope | 150 | mm |
| Stringer position: distance from the flight edge to the stringer outer face (x), 0 = at the sides | 0 | mm |
| Tread connector length along the tread (y) | 150 | mm |
| Tread seating: gap between the tread underside and the stringer top at the tread rear (z) | 20 | mm |
| Riser boards | false | |
| Riser board thickness | 19 | mm |
| Finish of the timber parts | timber | |
| Width | width | mm |
| Run | (risers - 1) * going + nosing | mm |
| Height | (risers - 1) * rise | mm |