180° Winding Stairs

Plan and elevation drawings of 180° Winding Stairs with dimensions

The 180° Winding Staircase, also known as a Winder Staircase, makes a 180° turn up toward the next level because of the addition of a landing at some point. It is an ideal staircase design for an entryway when it is combined with a mid-point landing for its space efficient qualities. The 180° Winding Staircase has an easy walk up, and it can give a home a grand appearance, and the winder adds a safety feature to help break a fall. They are usually made of wood or metal to give a space either a traditional or a contemporary feel.


*Under Development*


Winding Steps:
Narrow End (Min.): 6” | 15 cm
Tread Run (Min.): Must meet required tread dimensions 12” | 30.5 cm inward from narrow end

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:
180° Winding 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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