This would be our 1448mm diameter.
Spiral staircase minimum diameter uk.
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Minimum going from the centre of the tread.
For a main stair serving 2 or more habitable rooms you require a 800mm.
A minimum 2000mm diameter spiral is required to meet this 2100mm diameter in scotland.
Stair balusters shall be spaced so a 4 inch object cannot pass between.
Uk stockists of loft stairs spiral staircase kits modular staircases space saver stairs.
Minimum clear width between core pole handrails.
This type of spiral staircase is only available as a custom made option models such as the apollo and prisma are examples of this type of staircase.
In addition to a category a stair this private stair can also provide the main access to the upper floor of a private dwelling.
These spirals are designed to be used by individuals generally familiar with the stair and are classed as secondary or primary.
Please review technical data sheet for additional information on measurements.
Landing width shall not be less than the required staircase width.
Bs 5395 part 2 1984.
A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width.
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Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide.
This spiral staircase meets minimum 2015 irc requirements.
Of clear walking path.
The document governing spiral staircase building regulations in the uk is british standard 5395 part 2.
800mm 900 in scotland.
0 in in diameter spiral staircases have 26 in.
Established in 1966 spiral are the uk s longest standing manufacturer of high quality bespoke staircases and are leaders in the marketplace with a reputation for stunning design premium quality and highly skilled craftsmanship.
The irc stair code permits a 4 3 8 inch space.
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.
These spiral staircases are not suitable for use as staircases serving more than one room.
Available in a range of materials including wooden and metal.
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Spiral staircase diameter for domestic spiral staircases.
Domestic spiral staircases come under 2 aspects of the building regulations.
Indoor and outdoor products.
This document is summarised in the table below with categories given for each spiral application and the relevant maximum riser heights and minimum widths.
Minimum and maximum rise per tread.
Uk building regulations require a minimum clear width on each tread of 600mm for staircases serving one room only.
