Riser bars for spiral staircases

Improve the safety by closing the gab

Riser bars are designed to fit horizontally between the treads of an open-tread staircase. They reduce the gap between treads to less than 100mm, this is a requirement of UK building regulations.

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CALGARY & MONTRÉAL staircase riser bar kits

Choose the colour to match your DOLLE staircase. Our child riser bar kits are available in white, grey or anthracite. You can use riser bars to improve safety by mounting them under the treads as a barrier to close the gap. This is an important safety feature and a requirement for UK Building Regulations if the staircase is to be used as a primary staircase. For a spiral staircase to comply it must not have a gap over 100mm, installing the riser bar kit will ensure compliance.

The riser bars are specifically designed for spiral staircases Calgary and Montréal 120cm / 140cm. In the kit you get everything you need to install easily this includes 12 riser bars and fixings.


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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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