Spiral Staircase Minimum Diameter

The irc stair code permits a 4 3 8 inch space.

Spiral staircase minimum diameter.

Headroom minimum of 6 6 riser height cannot exceed 9 1 2. Based on 598 reviews. The smallest spiral stair diameter that we offer is 3 6 which translates to a 42 x 42 footprint. This spiral staircase meets minimum 2015 irc requirements.

Generally speaking the wider your staircase is the better it will look and the safer it will be. The usable surface of the stair tread must be a minimum of. Paragon has a wide variety of prefab and custom stairs to fit any design plans. For pricing and availability.

Give your staircase a minimum diameter of 26 inches 66 cm. 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. Arke phoenix 47 in x 10 ft white spiral staircase kit. Please review technical data sheet for additional information on measurements.

Spiral staircase diameter for domestic spiral staircases. Spiral stair building code compliance. Stair balusters shall be spaced so a 4 inch object cannot pass between. Determining your spiral stair s footprint can help you find the best size spiral staircase for your design.

Landing width shall not be less than the required staircase width. Learn about the available dimensions and sizes for spiral staircases. A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width. More product details close.

Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide. The diameter of the staircase determines the width of the stair treads the minimum dimension of which is specified by the irc. Of clear walking path. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair.

The total diameter of your spiral staircase however may be limited by the amount of space you have available. From here the footprint will increase in 6 increments like the diameters.