Spiral Staircase Minimum Diameter

Of clear walking path.

Spiral staircase minimum diameter.

Give your staircase a minimum diameter of 26 inches 66 cm. These spirals are designed to be used by individuals generally familiar with the stair and are classed as secondary or primary. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. Landing width shall not be less than the required staircase width.

From here the footprint will increase in 6 increments like the diameters. The usable surface of the stair tread must be a minimum of. More product details close. Spiral stair building code compliance.

Paragon has a wide variety of prefab and custom stairs to fit any design plans. The irc stair code permits a 4 3 8 inch space. Minimum spiral stair tread width is 26 inches salter s code platforms start at 31 inches wide. Based on 598 reviews.

Learn about the available dimensions and sizes for spiral staircases. Headroom minimum of 6 6 riser height cannot exceed 9 1 2. For pricing and availability. Stair balusters shall be spaced so a 4 inch object cannot pass between.

Generally speaking the wider your staircase is the better it will look and the safer it will be. A secondary spiral stair assessing a loft basement or mezzanine will require a 600mm clear tread width. Arke phoenix 47 in x 10 ft white spiral staircase kit. The diameter of the staircase determines the width of the stair treads the minimum dimension of which is specified by the irc.

Determining your spiral stair s footprint can help you find the best size spiral staircase for your design. The total diameter of your spiral staircase however may be limited by the amount of space you have available. 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.

This spiral staircase meets minimum 2015 irc requirements. Spiral staircase diameter for domestic spiral staircases.