Floor height : 3769.5mm (148.40”)
Step Qty: 21(final step is a landing)
Riser: 179.5mm (7.06”)
Stairs diameter: 1600mm(63”)
Spiral stairs material : Stainless steel 304 with brushed finish .
Center post: Dia 118mm
Tread: Diamond plate 6mm
Railing post&top hand rail : Dia 50.8mm
Railing horizontal pipe: Dia12mm
China project :Outdoor spiral stairs .
1.This is Spiral stairs for outdoor use , made by all stainless steel .With diamond plate tread can effectively protect people when walking in the rain.
Also it is anti-rust to keep stairs look goods after few years use .
2. Here attached related pictures about this outdoor spiral stairs, after installation, please check .
The top of spiral stairs
Top view of spiral stairs
Post connect to hand rail
Stairwell railing connect
Spiral stairs corner
The dimension about outdoor spiral stairs are custom made , so we can change the dimension according to your space.