I found a beautiful door that I would like to use for my 2 bedroom doors! It is not a typical size, 84Hx28W. Is there building code that states your Bedroom doors have to be a certain size? I am located in Chicago if that matters
Call your local building department. Many communities have size requirements for doors. I know of one that requires bathrooms on the first floor to have a 36" door. All that said if all you are doing is replacing an existing 28" door I would just do it.
I can say that the International Residential Code does not have a minimum door width for bedrooms or any other room in the house. The only door that must be a minimum size is the main exit door, which must be 3-0. As stated, it is always best to check local codes to make sure they didn't amend the building code.
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