ScaFixStair tower
Layher Allround stair tower
Layher Allround stair tower: platform 2.57 × 1.4 m, heights 2–20 m, with the parts per height from the manufacturer's tables. A stair tower is anchored to the building or scaffold, as the manual requires.
By Ole Emil Frikstad Urstad · How the numbers are computed ·
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How many parts does a Layher Allround stair tower at 8 m need?
At 8 m platform height (outdoors) on the 2.57 × 1.4 m platform, the manufacturer's table lists 113 parts, about 811 kg in total: Frames 16, Platforms 2, Braces 49, Guardrails 9, Stairs 4, Castors and base 8, Other 25. The stair tower is anchored, not ballasted.
Platform heights in the manufacturer's tables
Each cell is the range of platform heights the manual has a row for, with the number of rows. ScaFix offers exactly these rows and no others.
| Platform | Indoors | Outdoors | Rows |
|---|---|---|---|
| 2.57 × 1.4 m | 2–20 m (10) | 2–20 m (10) | 10 rows |
Parts list: Layher Allround at 8 m (outdoors)
The manufacturer's table for this row, with stabilisers and ballast weights; the part names are the manufacturer's.
| Group | Article no. | Part | Qty |
|---|---|---|---|
| Frames | 2617.200 | Standard LW 2.00 m | 12 |
| Frames | 2617.300 | Standard LW 3.00 m | 4 |
| Platforms | 3890.257 | O-steel deck LW 2.57 × 0.32 m | 2 |
| Braces | 2601.140 | O-ledger LW 1.40 m | 20 |
| Braces | 2601.257 | O-ledger LW 2.57 m | 14 |
| Braces | 2683.140 | Diagonal LW 1.40 × 2.00 m | 7 |
| Braces | 2683.257 | Diagonal LW 2.57 × 2.00 m | 8 |
| Guardrails | 0718.592 | Top internal handrail | 1 |
| Guardrails | 1752.007 | Internal stair handrail | 4 |
| Guardrails | 2638.258 | Outer stair handrail, wedge heads | 4 |
| Stairs | 2633.257 | O-platform stair 2.57 × 2.00 × 0.64 m | 4 |
| Castors and base | 2602.000 | Base collar | 4 |
| Castors and base | 4001.060 | Base jack 0.60 m | 4 |
| Other | 0705.000 | Swivel coupler Ø 33.7 mm | 1 |
| Other | 4905.062 | Bolt and nut M12 × 60 mm | 24 |
Limits that apply
- A stair tower is anchored to the building or the scaffold. Anchorage, foundations and the connection are not in the manufacturer's parts list and are designed separately.
- ScaFix lists the parts from the manufacturer's tables. It is not a structural approval: the assembly and use instructions on site govern, and a competent person inspects the tower.
Sources
The manufacturer's documents (Layher DOC0138 04-2025) and the standard, read on 23 October 2026.
Questions and answers
How high can a Layher Allround stair tower go?
The manufacturer's tables run from 2 m to 20 m. ScaFix offers exactly those heights.
Is a stair tower ballasted?
No. A stair tower is anchored to the building or the scaffold; the anchorage is designed separately, as the manual says.
Does ScaFix approve the stair tower?
No. ScaFix gives the parts list from the manufacturer's tables; it is not a structural approval. Follow the assembly instructions on site.