Circular Stairs

Plan and elevation drawings of circular stairs with dimensions for the inner radius and minimum parameters

Circular Stairs are helical staircases that lead upstairs in a flowing arc. They are great for commercial properties like retail stores, showrooms, and other public spaces, but they also add a glamorous effect in an office or residential location. It is often used as a focal point in the center of an interior space, as it draws in visitors to explore the next level. Unlike Spiral Staircases, the Circular Staircase does not require a fixed central column, and it usually has two rolled stringers with treads attached between them.


*Under Development*


Inner Radius: At least 2x the width of the stair
Narrow End (Min.): 10” | 25.5 cm

Width (Min.): 36” | 91.4 cm
Rise (Max.): 7” | 18 cm
Run (Min.): 11” | 28 cm
Landing (Min.): 36” | 91.4 cm
Handrail Height: 34”-38” | 86.5-96.5 cm



Drawings include:
Circular Stairs side elevation, side (person), front, plan

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Stairs, stairways, staircases, or stairwells, are building components that provide users with a means of vertical movement with the distribution of separate and individual vertical steps. In buildings, a flight of stairs refers to a complete series of steps that connects between two distinct floors.

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