Additional 13 pcs. middle balusters for CMC banister

Improve safety by reducing spaces

Reduces the spacings between the main balusters. Adding 1 pack will give 1 extra baluster per tread on the Calgary & Montréal spiral staircase. There are 13 balusters in a pack.

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As low as £129.99

This brings the spacing between balusters on each tread from 20 cm to 9.2 cm on the 120 diameter Calgary & Montréal, and from 23.5 cm to 10.5 cm on the 140 diameter. UK building regs. is no more than 10 cm gaps.

There are 2 extra balusters for repos and 1 extra for each step (11 pcs.). A total of 13 balusters in the package.

Distance between balusters:

Spiral stair Calgary & Montréal Ø120:

NO extra baluster: 20,5 cm - 19,7 cm

One extra baluster: 9,2 cm - 10,8 cm

Spiral stair Calgary & Montréal Ø140:

NO extra baluster: 23,5 cm - 23,5 cm

1 extra baluster: 10,5 cm - 13,8 cm

2 extra balusters: 6,2 cm - 8,6 cm

Riser bars are also available see below. Our riser bars are designed to fit horizontally between the treads of an open-tread staircase.


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Our assortment of stairs allows you to personalise your stairway with key elements such as colour, banister, balustrade, height of staircase, tread material and tread size.

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