Building Regulations For A Spiral Staircase

Spiral staircase building regulations are slightly different.

Building regulations for a spiral staircase.

Tread path between handrail and center column a minimum 26 center tread width 7 1 2 in from the narrow end of the tread d. Headroom minimum of 6 6 riser height cannot exceed 9 1 2. If it acts as your main staircase meaning it serves two or more rooms a spiral staircase should be 800mm wide with a maximum rise of 220mm. Our spiral stair building code and ibc stair code specifications provide technical details about the different code and non code packages we offer for commercial and residential projects.

These specifications show standard stair dimensions for height tread degree rotation degree and many more details for each salter spiral stair product type. Part k of the building regulations provides the guidelines for ensuring occupants or visitors to a house are protected against falling collision or impact. Spiral stairs building regulations. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair.

Design spiral and helical stairs in accordance with bs 5395 2. 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. If the staircase is only a secondary one and serves only one room though it should be 60mm. The length of the steps should be at least 190mm.

In addition to this more specifically spiral and helical staircases fall under bs 5395 part ii. Domestic spiral staircases come under 2 aspects of the building regulations. Spiral or helical staircase regulations. This document is summarised in the table below with categories given for each spiral application and the relevant maximum riser heights and minimum widths.

Domestic spiral staircases come under 2 aspects of the building regulations depending upon their usage primary stair for a main stair serving 2 or more habitable rooms you require a 800mm clear width 900mm in scotland max rise of 220mm and a centre going of 190mm. Staircase building regulations the document governing spiral staircase building regulations in the uk is british standard 5395 part 2. The design of spiral staircases potentially makes them tricky to navigate and building code requirements for spiral stairs are focused on making them as safe. In approved document k 1 28 it says.

In k1 section 1 21 spiral and helical stairs the regulations refer you to a british standard bs5395 2 1984. Part k of the building regulations provides the guidelines for ensuring occupants or visitors to a house are protected against falling collision or impact.