9822-oslo-featA stylish interior spiral staircase available in white and black.

The Oslo Spiral Staircase adds style to any interior with its unique spiraling handrail and continuous side rails that surround the full length of the staircase. The Oslo is available in two (2) beautiful powder-coated finishes: balck and white – both with solid Beech wood treads in their natural color. The Oslo Spiral Staircase is recommended for frequent use areas and can be easily installed using common household tools.

Oslo Features:

  • Available in 47″, 55″ and 63″ diameters
  • 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



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 Available in 47″, 55″ and 63″ diameters
Ceiling Opening – 47″ diameter 51″ x 51″ opening
Ceiling Opening – 55″ diameter 59″ x 59″ opening
Ceiling Opening – 63″ diameter 67″ x 67″ opening
Use For high frequency interior use

Tread Options Chart

Standard Kit 12 Treads 13 Treads 14 Treads 15 Treads
Floor-to-floor height* 99″ – 111″ 101″ – 120″ 116″ – 130″ 124″ – 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 47″ 47″ 47″ 47″ 47″

*Chart indicates that more than one tread-count is acceptable for some stair height. The choice is yours.

Installation Instructions

Mounting Videos

Please consult local building inspector to ensure local building code compliance prior to purchase.