Spiral Staircase Minimum Diameter

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 staircase minimum diameter.

Please review technical data sheet for additional information on measurements. These spirals are designed to be used by individuals generally familiar with the stair and are classed as secondary or primary. The smallest spiral stair diameter that we offer is 3 6 which translates to a 42 x 42 footprint. More product details close.

For pricing and availability. The usable surface of the stair tread must be a minimum of. 0 in in diameter spiral staircases have 26 in. The irc stair code permits a 4 3 8 inch space.

Give your staircase a minimum diameter of 26 inches 66 cm. Spiral stair building code compliance. Generally speaking the wider your staircase is the better it will look and the safer it will be. Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide.

Landing width shall not be less than the required staircase width. Stair balusters shall be spaced so a 4 inch object cannot pass between. From here the footprint will increase in 6 increments like the diameters. Arke phoenix 47 in x 10 ft white spiral staircase kit.

Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. Headroom minimum of 6 6 riser height cannot exceed 9 1 2. Spiral staircase diameter for domestic spiral staircases. Mylen stairs condor black 42 in diameter 12 treads with 1 36 in tall platform rail spiral stair kit.

The total diameter of your spiral staircase however may be limited by the amount of space you have available. A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width. Learn about the available dimensions and sizes for spiral staircases. Of clear walking path.

This spiral staircase meets minimum 2015 irc requirements. Determining your spiral stair s footprint can help you find the best size spiral staircase for your design.