Spiral Staircase Diameter Minimum

No matter where your stair is going you will need to keep stair diameter in mind.

Spiral staircase diameter minimum.

Headroom minimum of 6 6 riser height cannot exceed 9 1 2. Landing width shall not be less than the required staircase width. The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4. The walkline is located half way along the stair width method 3.

This would be our 1448mm diameter. The diameter of the staircase determines the width of the stair treads the minimum dimension of which is specified by the irc. 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. This spiral staircase meets minimum 2015 irc requirements.

The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40. Paragon has a wide variety of prefab and custom stairs to fit any design plans. Based on 598 reviews. The irc stair code permits a 4 3 8 inch space.

Spiral stair building code compliance. Of clear walking path. The usable surface of the stair tread must be a minimum of. Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide.

Domestic spiral staircases come under 2 aspects of the building regulations. These spirals are designed to be used by individuals generally familiar with the stair and are classed as secondary or primary. Stair balusters shall be spaced so a 4 inch object cannot pass between. 0 in in diameter spiral staircases have 26 in.

More product details close. Spiral staircase diameter for domestic spiral staircases. Much like your well opening your diameter may be defined by your placement of the stair. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair.

Learn about the available dimensions and sizes for spiral staircases. Although the minimum. For a main stair serving 2 or more habitable rooms you require a 800mm. The simplest definition of your diameter is the width of your stair as spiral stairs are round stairs.

A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width. Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase. Bs 5395 part 2 1984. Please review technical data sheet for additional information on measurements.