The Arke Enduro exterior spiral staircase line of products consists of spiral staircase models, additional risers, center poles, matching balcony rails and safety bars. The Enduro spiral staircase kits are available in 47, 55 and 63-in diameters. The Enduro stair treads are manufactured of 12-gauge steel, hot-dipped galvanized and perforated for safety. Clockwise or counterclockwise rotation. Each standard kit with 12 treads, 1 landing, balusters, 1 extruded vinyl handrail coil, landing rail and stainless-steel hardware. Each kit installs with a 360° turn. By adding or subtracting treads to achieve different heights the rotation will change by approximately 26 - 30° per tread. Safety bars – required by some municipalities - are available in a set of 12 to close off the back of the treads (creating a 4” maximum gap). Arke staircases can be easily installed by the homeowner in a single day using common household tools. A complete installation guide is included with all kits. Toll-free support is available (888) 782-4758. Consult your local building inspector for any questions and specifics regarding compliance with the local building codes prior to purchase.
Accessory to complement the Enduro stairs - comes complete with 10 hot-dipped galvanized balusters, 1 handrail and all hardware to complete 47-in
Steel construction with galvanized finish
This kit can be used for a square, as well as a mezzanine stair opening
Matches Enduro spiral stair kit model K05001, K05002 and K05003
Dimensions are 39-in height x 47-in width
Balcony rail kits can be connected
Exterior installation
Delivery in 10 days from date of purchase in the continental United States