The NEW Neptune Zink Spiral Staircase is made to order and supplied in ready-to-assemble kit form. Designed and manufactured in Italy from high quality components, our best selling exterior spiral staircase is perfect for the rigours of the Great Outdoors, and features heavy-duty galvanized steel treads and landing platform for long life and zero maintenance.
The Neptune Exterior spiral staircase is available in 3 popular sizes, 1200mm diameter, 1400mm diameter and 1600mm diameter
The Neptune spiral staircase is designed for the UK market, with the correct spindle spacings for the UK on all size options. The balustrade features zink coated steel spindles with zink coated metal handrail support brackets (these are made from plastic on cheaper models) with a very nice silver-grey flexible pvc handrail.
Adjustable height - the basic Neptune spiral staircase kit is supplied with 11 treads plus a landing platform, making 12 risers in total. The treads are adjustable in height so you can easily reach the height you want - additional treads are also available, please see the drop-down menu for extra treads or contact our sales team for advice.
Maintenance-free heavy duty galvanized coating with flexible pvc handrail in Silver-Grey
- Standard kit has 11 treads plus landing, extra treads are available if required, please see the drop-down menu above for more information
Versatile design - e.g. connect to a balcony, or external door threshold, using the triangular landing platform.
1400 and 1600mm dia versions meet K1 building regs BS5395 Cat A**
Heavy duty construction suitable for domestic or commercial use.
Riser bars available where required. (Riser bars are mandatory in Scotland. In the rest of the UK please consult your local Building Control department) Riser bars can be fitted during or after construction of the staircase.
**Assuming a max riser height of 220mm per tread as per the British Standard. The Neptune is not designed for use as a fire escape.