|Product Code||Floor Opening Min Length||Floor Opening Min Width||Floor to Floor Height||Diameter||Tread Thickness||Price|
|3020000||125cm||125cm||287cm - 315cm||120cm||40mm||£2,600.00|
|3020001||145cm||145cm||287cm - 315cm||140cm||40mm||£2,820.00|
|Max Surface Load:||620kg|
|Tread Material:||Solid Oak|
|Max Point Load:||200kg|
Spiral staircase in exclusive design
Height to landing: Maximum 315cm
Treads, handrail and squared landing in solid oak
For maintenance: The oil Sioux White can be supplied
High-quality spiral staircase
Tread material - Solid oak
Colour of structure - Basalt grey - RAL 7012
As part of DOLLE spiral staircase range we present the exclusive spiral staircase Columbia - The high-quality with a unique design the staircase has 13 treads which can be adjustable from 20.5 to 22.5cm to a maximum landing height of 292.5cm. Treads, handrail and square landing platform are in beautiful solid oak with finishing oil Sioux White which altogether give a well-designed and modern staircase. The balusters give the staircase an elegant look with the grey lacquered banister.
With a staircase diameter of 120cm – the ceiling opening must be minimum 130cm, therefore subtract 10cm from your ceiling opening to get the right diameter of your new staircase.
Please consider window or door locations with stop inside or outside as well radiator locations to prevent assembly issues. For wall niches please note the entry and exit points and be aware the optimal ceiling opening is 10cm larger than the staircase diameter.