Spiral Staircase Minimum Diameter

The diameter of the staircase determines the width of the stair treads the minimum dimension of which is specified by the irc.

Spiral staircase minimum diameter.

Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. More product details close. Paragon has a wide variety of prefab and custom stairs to fit any design plans. This spiral staircase meets minimum 2015 irc requirements.

Of clear walking path. These spirals are designed to be used by individuals generally familiar with the stair and are classed as secondary or primary. The irc stair code permits a 4 3 8 inch space. Spiral stair building code compliance.

Give your staircase a minimum diameter of 26 inches 66 cm. From here the footprint will increase in 6 increments like the diameters. 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. 0 in in diameter spiral staircases have 26 in.

Stair balusters shall be spaced so a 4 inch object cannot pass between. Please review technical data sheet for additional information on measurements. The smallest spiral stair diameter that we offer is 3 6 which translates to a 42 x 42 footprint. Headroom minimum of 6 6 riser height cannot exceed 9 1 2.

Mylen stairs condor black 42 in diameter 12 treads with 1 36 in tall platform rail spiral stair kit. Determining your spiral stair s footprint can help you find the best size spiral staircase for your design. The usable surface of the stair tread must be a minimum of. For pricing and availability.

The total diameter of your spiral staircase however may be limited by the amount of space you have available. Spiral staircase diameter for domestic spiral staircases. Based on 598 reviews. Landing width shall not be less than the required staircase width.

Arke phoenix 47 in x 10 ft white spiral staircase kit. Generally speaking the wider your staircase is the better it will look and the safer it will be.