Spiral Staircase Diameter Minimum

The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4.

Spiral staircase diameter minimum.

Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide. Of clear walking path. Which is determined by the stair s diameter. Headroom minimum of 6 6 riser height cannot exceed 9 1 2.

This spiral staircase meets minimum 2015 irc requirements. This would be our 1448mm diameter. 0 in in diameter spiral staircases have 26 in. Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase.

The walkline is located half way along the stair width method 3. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40. Based on 598 reviews. The simplest definition of your diameter is the width of your stair as spiral stairs are round stairs.

Learn about the available dimensions and sizes for spiral staircases. Paragon has a wide variety of prefab and custom stairs to fit any design plans. A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width. Stair balusters shall be spaced so a 4 inch object cannot pass between.

Spiral stair building code compliance. 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 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. Much like your well opening your diameter may be defined by your placement of the stair.

The walkline is located 50cm 20 from the outer handrail. For a main stair serving 2 or more habitable rooms you require a 800mm. No matter where your stair is going you will need to keep stair diameter in mind. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair.

Although the minimum. Landing width shall not be less than the required staircase width. The usable surface of the stair tread must be a minimum of. Bs 5395 part 2 1984.

Spiral staircase diameter for domestic spiral staircases. 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. More product details close.