Stair Width

Question

What width should indoor stairs be? They will be going to a master bedroom upstairs. I was thinking about 42". They will be a straight run.

Answer

Yes, 42" is a good width of stairs. The minimum, as suggested by the building code, is 36" above the handrails to the finished drywall, etc.


Dave

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Hi, I'm Dave Osborne. With over 50 years experience as a journeyman carpenter, foreman and contractor in heavy construction I enjoyed working with apprentices and sharing the tricks of the trade that others shared with me. Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. Some of my answers include drawings and instructions specific to a project, but may also answer your questions. I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need.

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