Spiral staircase COLUMBIA

Discover the elegance of the COLUMBIA Spiral Staircase, part of our premium range. With its high-quality design and craftsmanship, this staircase offers a perfect blend of functionality and style, featuring 13 treads adjustable to a maximum landing height of 292.5 cm. Solid oak treads, a matching handrail, and a square landing platform finished in Sioux White oil exude modern sophistication, complemented by a basalt grey lacquered structure for a sleek, contemporary aesthetic. Available in two diameter options—120 cm and 140 cm—this staircase fits seamlessly into various spaces.

Technical Specifications

• Dimensions COLUMBIA 120cm
• Dimensions COLUMBIA 140 cm 
• Installation Instruction COLUMBIA 120 cm
• Installation Instruction COLUMBIA 140 cm
• Diameter Options: Choose between 120 cm and 140 cm to suit your space. Both options require a minimum floor opening of 125 cm x 125 cm for 120 cm diameter, and 145 cm x 145 cm for 140 cm diameter.
• Floor-to-Floor Height: Adjustable between 287 cm to 315 cm using the 13+1 treads and spacer rings for precision fitting. The minimum height of 244 cm can be achieved by removing treads.
• Tread Details: Made from 40 mm thick solid oak with a white oiled finish, providing durability and natural beauty.
• Structure: Powder-coated metal in basalt grey (RAL 7012), designed for strength and longevity.
• Building Regulation Compliant: Ensures safety and adherence to building standards.
• Landing Platform: Designed for easy installation on square or round ceiling openings, providing flexibility to match your architectural requirements.
• Adjustable Pitch Height: Customize the staircase’s comfort level with spacer rings for tread rise adjustments between 20.5 cm and 22.5 cm.
• Additional Landing Banisters: Enhance safety with optional matching banisters for the landing area—custom quotes available upon request.