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Rough opening depth is greater than depth of prehung door frames?

Rough opening depth is greater than depth of prehung door frames?

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  #1  
Old 06-08-12, 09:18 AM
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Rough opening depth is greater than depth of prehung door frames?

1956 ranch. Just starting to hang prehung doors. Depth of rough opening is about 5 1/4" (walls are composed of 3/8" drywall. 3/8" backer board, and plaster, adding approx. 1 3/4" to stud depth). Door frames are about 4 5/8" deep. So I am off by about 5/8". If I split this difference on each side, will standard casing be able to compensate for it? Or does anyone have a creative solution (simple and cheap)?

Thanks.
 
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  #2  
Old 06-08-12, 10:04 AM
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You need to extend the jamb somehow...no way around it. The hinges have to be far enough out for the door to open fully which will leave 5/8" that needs to be covered. Should be able to find some trim stock that could be attached.

The frame or extension needs to be flush with the wall for trim to work.
 
  #3  
Old 06-08-12, 10:41 AM
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Thanks, Vic. That's what I figured, just wanted to make sure before I started looking for trim to extend the jambs.
 
  #4  
Old 06-08-12, 11:18 AM
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Look for s4s or stop...that might get you what you need. Hope you have an air brad nailer?
 
  #5  
Old 06-08-12, 12:39 PM
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Will do....and yes, I have several brad nailers, thank goodness.
 
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