Model # K21009

Internet # 202026751

Eureka 63 in. Black Spiral Staircase Kit

$2,850.85 /each



Model # K21009

Internet # 202026751

Suitable for both interior and exterior applications, the Arke Eureka 5 ft. 3 in. Spiral Stair Kit is constructed of steel with a powder-coated finish. It features an extruded PVC handrail and solid steel treads with durable non-slip PVC covers.

  • Standard spiral kit adjustable in heights from 8 ft. 3-1/4 in. - 10 ft. 1/8 in.
  • Steel construction with powder-coated black finish
  • Extruded black PVC handrail
  • Solid steel treads with durable non-slip PVC covers
  • Suitable for both interior and exterior applications
  • Can be installed clockwise or counter clockwise
  • Designed for use in straight, round or mezzanine applications
  • Includes assembly instructions and DVD
  • Important: consult your local building inspector for specifics regarding compliance with the local building codes

Info & Guides

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Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Hardware Included 
Package Contents 
All-in-one complete unit: 12 Treads, 1 landing, balusters, handrail, hardware and accessories included, nothing to paint, weld or stain. Tread cover adhesive for exterior installation not included. 
Product Weight (lb.) 
525 lb 
Stair Part Type 
Warranty / Certifications
Manufacturer Warranty 
1-Year for manufacturing defects 


Price: $2000 - $3000
Brand: Arke
Review Rating: 3 & Up
Interior/Exterior: Interior/Exterior
1 Question1 Answer

Customer Questions & Answers

Eureka 63 in. Black Spiral Staircase Kit
Eureka 63 in. Black Spiral Staircase Kit

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1 answer

Do you make spiral staircases for outdoors with spindles on both sides?

This question is from Eureka 63 in. Black Spiral Staircase Kit
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Fall Church, VA
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May 19, 2015
Will use a professional to install.
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Answer (1)

May 19, 2015
The ARKE range of Spiral staircase kits are available with balusters only for the outside edge of the stair treads. The 63" diameter models will meet the current IRC building code requirements as established. An internal handrail is not required to be code compliant.
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Rated 3.3 out of 5 by 3 reviewers.
Rated 4.0 out of 5.0 by Very nice looking and relatively easy to install spiral stairs I installed these stairs from a deck to a paver patio just over 10' below. The installation went well and the stairs look very nice. I would certainly recommend them to others. Why not 5 stars? The instructions are OK... but could have been much better. For example, they didn't deal with how to do the install to pavers (pour a concrete pad beneath the pavers and adjust the spacers appropriately). There were also some minor steps left off the instructions. That said, one CAN figure it out and the ARKE rep was EXTREMELY helpful and responsive in answering questions. One thing that requires some "invention" is how you choose to tie the upper part of the stairs into whatever railing you have up there. Again, one can figure this out, but the kit is of minimal help here. A minor comment is that I would have liked to see the stair treads have a bit better traction. You can fix this with some tread tape though. Once in the stairs look great. They are sturdy but not "rock solid". I don't view this as a problem - I'm just setting expectations. I weigh over 200lbs and I feel a little flex in the stairs when using them. April 27, 2016
Rated 3.0 out of 5.0 by Need to be able to order extra parts or additional engineering needed. Directions are in metric, with incorrect inches conversion. No way to purchase parts from the company and sending the stairs back would be problematic. Ex: My stairs needed to be built 93" high, which is too short for two internal poles plus the threaded rod, but too tall for one pole plus the threaded rod. I had to search 10 places over two Saturday's to find additional 20 mm threaded bolt and connecting sleave. As a result I also needed an internal insert to accompdate the threaded pipe. Did Arke have any parts to order?, no. So I had to glue in a PVC bushing (2"x1/2") with epoxy glue (PVC cement won't work I tried it). All in all a nice stairs. Their engineers need to; make the threaded rod longer, a way to connect two threaded rods or one of the structure poles shorter with the longer threaded rod. July 10, 2012
Rated 3.0 out of 5.0 by DVD didn't work I wrote the review above and forgot to mention that the DVD they sent didn't work either so I had to take a laptop with me to the job site to see the online video. July 11, 2012
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