Oslo 55" White Spiral Staircase Kit

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Oslo 55" White – A Stylish Interior Spiral With a Variety of Options

The Oslo spiral staircase is available in several sizes and colors to fit into any interior. It features a modern, spiraling handrail that surrounds the staircase, is easy to install, and will add a contemporary look to any home or office.

  • 55” Diameter (other diameters available)
  • Can be installed in either a clockwise or counter-clockwise direction
  • Top landing can be used in multiple size/shapes openings or mezzanines
  • Optional balcony railing kits available
  • Complete installation guide and toll free support
  • 1-year warranty
  • 25% restocking fee on returns


Tread Material Solid beech wood stair treads featuring a high scuff resistant varnish
Structure Material Steel white powder coated finish
Railing Material Continuous aluminum core with a soft white PVC covering
Stair Rise Adjustable rise between treads
Stair Diameter 55" - Center pole Diameter
Staircase Height 99" - 149" (see chart below for tread options)
Ceiling Opening 59" x 59" minimum
Use For high frequency interior use

Important: consult your local building inspector for any questions and specifics regarding compliance with the local building codes prior to purchase

Tread Options Chart

Standard Kit 12 Treads 13 Treads 14 Treads 15 Treads
Floor-to-floor height*
99" x 111" 101" x 120" 116" x 130" 124" x 138"
132" - 149"
Number of treads
11 plus landing 12 plus landing 13 plus landing 14 plus landing 15 plus landing
Stair width with banister
55" 55" 55" 55" 55"
*Chart shows that more than one tread-count is acceptable for some stair heights, the choice is yours.
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