I am replacing a door with a pre-hung door including the jamb. The old door was 29 11/16" wide. The new pre-hung door is 28". Is this too big of a gap? Should I make it plumb on one side and make up the difference on the other side? Other threads suggest making up space on the handle side, but this is more space than than what other people were asking about. The trim is 2 1/2" so the gap would be covered.
Doors – What do I do with a 1 11/16″ gap when installing a new pre-hung door
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Best Answer
I assume you have a two piece split jamb pre-hung door. It's expected that these will be smaller than the rough opening, you need room to make the door plumb and level. Here's the install steps off the top of my head and my own personal best practice: