Spiral staircase dimensions for cast spiral staircases 17 november 2014 bs 5395 part ii can be a little intimidating for anyone who does not have to use them on a regular basis.
Spiral staircase dimensions uk.
When you think of spiral stairs you might imagine round stairs with a beautiful 360 degree spiral that has a whimsical winding shape.
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Paragon has a wide variety of prefab and custom stairs to fit any design plans.
The walkline is located 50cm 20 from the outer handrail.
When it comes to spiral staircase dimensions what size the diameter should be is an extremely common question in which there is no straight forward answer as it depends on the usage of the staircase.
Bs 5395 part 2 1984 this states that a spiral serving 1 habitable room should have a 600mm clear width max rise of 220mm and centre going of more than 145mm.
Spiral staircase dimensions what size do you need for a spiral stair.
The requirements for spiral staircases in the uk are described in.
Building regulations for stairs uk.
If the staircase is only a secondary one and serves only one room though it should be 60mm wide with a rise of 220mm and step length of no more than 145mm.
Uk building regulations require a minimum clear width on each tread of 600mm for staircases serving one room only.
Each salter spiral stair is unique all the way down to its rotation.
Domestic spiral staircases come under 2 aspects of the building regulations.
The pitch of a domestic staircase how steep it is should be a maximum of 42 degrees.
The walkline is located half way along the stair width method 3.
As a custom shop we can build your stair to your specification so standard stair dimensions don t have to be so standard.
This page is part of the staircase design series.
This article is a guide to spiral staircases and uk building regulations it covers the basic requirements you need to check in order to meet uk building regulations k1 and the associated british standard bs5395 2 1984.
These spiral staircases are not suitable for use as staircases serving more than one room.
The tread size min 10ins 25 4cm is dictated by the average adult foot size although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe.
Bs5395 2 1984 is a code of practice which covers the dimensions and general construction of spiral and helical stairs.
These spirals are available in 2 diameters 1400mm and 1600mm with clear widths of 607 and 707mm respectively.
Learn about the available dimensions and sizes for spiral staircases.