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I've put in a prehung door before but the last one had a brick-mold on the exterior part of the frame and I just pushed it in until it was against the house. The prehung door I have to install now doesn't have a brick-mold, so how far do I put it into the rough opening? Should I just leave 1/2" sticking out on the inside so that the drywall will meet up even with it for trimming?

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See also: diy.stackexchange.com/questions/12421/… – BMitch Feb 29 '12 at 0:02
up vote 3 down vote accepted

If it's pre-hung, it should be the width of your wall (sheetrock to sheetrock). That way you can easily place trim around it.

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What style of pre-hung? single piece frame with threshold, untrimmed, or split jam without threshold? Unless it is a perfect width for the wall, it should be justified to the exterior and jam extentions installed on the interior side.

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