The irc stairs code states that, to comply with stairway requirements, the minimum width for residential stairs be no less than 36 inches. The stair riser code is up to 7.75 inches, and can not vary more than 3/8 of an inch.
How Wide Do Stairs Have to Be?
Stairs are an important part of any building, and it is important to ensure that they are built properly. One of the most important considerations when it comes to the construction of stairs is the width. Stairs must be wide enough to ensure that people can safely and easily traverse them, but not so wide as to be a waste of space or other resources.
The standard width of stairs is typically determined by the building code in the area where the building is located. Generally, the width of a stairway should be at least 36 inches. This width is considered to be wide enough to allow for two people to walk side-by-side on the stairs, but narrow enough to not take up too much space.
However, there are some cases where a wider width is required. If a staircase is going to be used in a commercial setting or by a large number of people, then it is often necessary to increase the width of the stairway. This is to ensure that people can safely and easily traverse the stairs without having to worry about running into one another.
In addition to the number of people using the stairs, the type of staircase also affects the width. For example, a spiral staircase may require a wider width in order to accommodate the