Clarification: I am uploading a sketch.
I say deflection wall to mean a wall that is under joists which spans past the top of the "deflection" wall - yes it is a bearing wall (because 2x10 spanning 24' would not work), but there is no connection. This is typical old home chicago construction -...
I am working on a chicago home that has a steel beam running down the center of the basement with wood 2x10 joist floor framing clear span 24'. On the first floor there is a 2x4 deflection wall that runs parallel with the steel beam below - with the wall being offset 8.5" O.C. from the steel...
