Building Regulations For A Spiral Staircase

K1 building regulations is the approved document which covers stairs ladders and ramps.

Building regulations for a spiral staircase.

In addition to this more specifically spiral and helical staircases fall under bs 5395 part ii. 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. In k1 section 1 21 spiral and helical stairs the regulations refer you to a british standard bs5395 2 1984. These specifications show standard stair dimensions for height tread degree rotation degree and many more details for each salter spiral stair product type.

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. 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. 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.

Spiral stairs building regulations. 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 staircase building regulations are slightly different. In approved document k 1 28 it says.

Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. This document is summarised in the table below with categories given for each spiral application and the relevant maximum riser heights and minimum widths. Headroom minimum of 6 6 riser height cannot exceed 9 1 2. Domestic spiral staircases come under 2 aspects of the building regulations.

Part k of the building regulations provides the guidelines for ensuring occupants or visitors to a house are protected against falling collision or impact. If the staircase is only a secondary one and serves only one room though it should be 60mm. 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. Spiral stair building code compliance.

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. Design spiral and helical stairs in accordance with bs 5395 2.