the whole reason I'm asking is upstairs BR think they cut out window and put in French doors found this when we had "national window replacement " company come put in new replacement doors 2-1/2 months later locks are not lining up/working took crow bar raised up middle where hinges are and door locks work. While I had crow bars in pounded another spacer in locks work fine (for now) I am thinking that these doors need a header underneath them. would I be correct? or is my thinking that 12 X 10 is NOT enough to hold this steel set of doors up?