Model # K03040

Internet #100663935

Store SO SKU #973600

Arke Civik 63 in. Grey Spiral Staircase Add Riser
0894168001524

Arke

Civik 63 in. Grey Spiral Staircase Add Riser

$160.00 /each

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Product Overview

Accessory - By purchasing one or more additional risers, the height of the staircase can reach 12 ft. 4 in. Up to three additional add risers can be installed with the standard staircase kit. Additional risers consist of one tread, metal structure, balusters and hardware.

  • 15 in. width x 28.5 in. length
  • Steel construction with powder-coated gray finish
  • 4 Balusters per tread
  • Adds approx. 26.4 degrees to the stair rotation
  • Intended for interior use
  • Important: consult your local building inspector for specifics regarding compliance with the local building codes

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Customer Questions & Answers

our stair must comply with the code: Spiral Stair Tread must be 7.5"at 12"from narrow end Riser 9...

our stair must comply with the code: Spiral Stair Tread must be 7.5"at 12"from narrow end Riser 9.5" max 6'6" headroom min. 26" tread width Our finish deck to finished deck is 139 inches What are the parts made of
Asked by: EdwardsHole
The ARKE 63" diameter exterior staircase kits (Eureka and Enduro Steel) are designed to meet all the general IRC building code requirements as relate to spiral staircases. We can provide you a document with the specifics related to IRC code R311.7.10.1 and the corresponding measurements of the ARKE staircase kit of your choice. Both models are manufactured from 12 gauge steel. The Enduro Steel model is hot-dipped galvanized and the Eureka model is electrostatically galvanized with a powder coat finish paint for additional protection. Please contact our Customer Sales & Support team via our toll free telephone number at (888) 782-4758 and we will be happy to send to you additional information for your review and consideration.
Answered by: Arke Product Support Team
Date published: 2017-02-06
  • y_2017, m_2, d_24, h_20CST
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