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What must be taken into account when calculating a spiral staircase?

1. The height of the stairs: Start the measurement from the finished floor surface and add the thickness of any floor covering. This is the zero point for measuring the stair height. Then measure the height to the finished surface of the highest platform and add the thickness of any floor covering. This is the finished height of the staircase.
2. The radius: We offer standard staircases in radii from 700 to 1200 mm.
3. The finger clearance: The distance between the handrail and the wall that is required for your fingers when you run your hand along the handrail.
4. The step height: Spiral staircases can be built with step heights of 150 to 200 mm. The step height, together with the step depth, helps to determine the stair angle. The free height of the staircase (min. 2000 mm) can be difficult to maintain if the step height is chosen too low.

How is a Eurostair® spiral staircase installed?

Eurostair offers the easiest and quickest installation on the market, using only two different simple spanners.

• A spiral staircase is built with a centre tube, where the entry and exit levels are bolted to the tube and then fixed to the façade.
• The steps are then screwed onto the centre tube.
• Railing posts are then attached to the outside of the step, binding the steps together to form a stable and load-bearing structure. The balusters then support the balustrade infill made of sheet metal or struts.
• Finally, an upright made of suitable material is fitted to the balusters.
• In the case of wooden steps, the treads are then finally mounted. Modern staircases are often made of high-strength steel materials, which offer a lower weight and therefore a lower environmental impact in all processes from production to surface treatment and transport.