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.
Exterior installation
Additional riser kit consists of one 12-Gauge hot-dipped galvanized steel component， three balusters， connectors and stainless steel hardware
Each riser will add 28.6 degrees to the rotation of the stair
Rise adjustable from 8-9/32 in. to 9-1/4 in.
May be used with multiple additional risers (up to a total of 3 - not included) for a maximum height of up to 12 ft. 4 in.
Includes tread， 34 balusters and hardware
Use only with model K05001
Important: consult your local building inspector for specifics regarding compliance with the local building codes
Comment