Spacing under doors & air pressure
The doors have to be installed plumb and square to work properly. It sounds like he did that.
Most of the ugly should go away with trim but if the walls and floor is that far out something is going to show somewhere.
Post some pictures if you can to get the best responses.
You lost me on the air pressure thing.
A Picture Is Worth A Thousand Words
Especially In The DIY Chatroom
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