Nathan Langley from Phillips-Langley & Associates sent me this photo, and I received a similar question a couple of weeks ago.  The application is in a building where the floors are out of level, and the fire door frames are installed with one jamb flush with the floor, leaving the other jamb with a gap between the bottom of the frame and the floor.

What needs to happen here in order to make the frame code-compliant?  How much of a gap is too much?  Is there a type of caulk that would be acceptable?


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