Arke Enduro

Exterior Flexibility

The Arke-Fontanot Enduro Steel is THE spiral staircase for outdoors. It combines long-term durability with high standards of quality and craftsmanship in design. The kits features include:

  • Hot dipped galvanized for protection against rust and weather.
  • Stainless steel hardware.
  • Extruded black PVC handrail.

The Enduro Steel offers a landing which can fit a square or rectangular opening, or adjoin a header/mezzanine. The handrail is a continuous length of extruded black PVC. Written instructions and a demonstration video or DVD are included. Basic household tools are all that are needed for assembly. No balcony rail kit is available for the Enduro Steel.


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  • Tread lengths are as follows for the 3 diameters; 20 ¼, 24 ½, 28 ½
  • Metal is 12 gauge steel
  • Metal is hot dipped galvanized. Product will be shiny metallic when new and oxidize to a soft Grey/white
  • Handrail is an extruded PVC coil. Handrail diameter is 2″
  • Weight capacity is 700 pounds
  • The height of the spiral stairkit is adjustable between 8′ 3″ to 10′, but with optional accessories, installations from 6′ 10″ to 12′ 4″ are possible.
  • Staircase kits are available in three different diameters:
    • 3′ 11 1/4“
    • 4′ 7 1/8“
    • 5′ 3″

Installation Manual


Installation Tutorial