The SIGMA staircase is part of our premium spiral staircase range at DOLLE. Designed to be a strong statement in your home with the grey banister rail supported by solid lacquered beech tread and substantial triangular landing platform.
Beautiful spiral staircase where the 2 matching colours black and beech give a modern and exclusive look. The spiral staircase SIGMA has 12 treads in lamellar lacquered beech (35 mm) including a triangular landing platform at the top also finished in lamellar lacquered beech. The 12 treads plus landing gives 13 risers and a maximum height of 309 cm. Each step is adjustable in rise between 22 to 23.8 cm. The banister is grey lacquered metal with 4 balusters on each tread, which ensures safety and comfort.
If you prefer this spiral staircase with grey construction and banister, you should have a look at our stylish SIGMA spiral staircase.
You can add a matching landing banister to match your SIGMA staircase. Just measure the area you are looking to banister? we can quote you to your actual specification, just contact us with details of your project.
The pitch height can be adjusted with spacer rings from 22 to 23.8 cm depending on floor height. We advise you use as little spacers as possible as this will mean narrow gap between the treads, this will make your staircase more comfortable to climb.
If you want to know more about the specifications, you can visit technical data and downloads section to find out more.