A notched plate stringer of an aluminium frame stair tower: stepped upper edge with a tab at the top, sloped underside parallel to the pitch ending on a vertical edge at the lowest step.
Category: Stairs › Staircases › Stair Flights
By Huu Khanh Nguyen · Updated November 14, 2026
| Name | Default | Unit |
|---|---|---|
| Riser height | 200 | mm |
| Going | 224 | mm |
| Number of steps | 5 | |
| Width of the top tab along the run (x) | 40 | mm |
| Height of the lowest step above the lowest corner | 250 | mm |
| Plate thickness across the width (y) | 20 | mm |