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Old 08-01-2014, 02:43 PM  
branimal
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Default Installing a non-standard sized door

Hi, I have a room with a awkward set of sliding doors. I would like to replace it with a standard hinged door. The opening is 79 3/4 H x 29 3/4 W. What size prehung door should i select to fit properly in that opening?

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Old 08-01-2014, 02:54 PM  
Wuzzat?
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A nominal 30" door is probably an actual 29-3/4" door. The clearance around a door is supposed to be the thickness of a nickel.



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Old 08-01-2014, 03:18 PM  
nealtw
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You will have to open it up and re-frame little. You have a standard 30" door, the rough framing for a pre-hung 30" door is 32" wide and 82 1/2 high. Your framing will be about 4" to high but not really a bad thing but you do want a double stud on each side of the opening.

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Old 08-01-2014, 04:03 PM  
kok328
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a 28" door will fit fine with the exception of the height. Cut back some drywall, raise the door header and you should be in business. I know, easier said than done.

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Old 08-01-2014, 04:23 PM  
nealtw
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Quote:
Originally Posted by kok328 View Post
a 28" door will fit fine with the exception of the height. Cut back some drywall, raise the door header and you should be in business. I know, easier said than done.
The top is framed higher to allow for track and wheels.
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Old 08-02-2014, 06:31 PM  
branimal
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thanks for the responses. does hd or lowes carry prehung 78x28 doors?

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Old 08-03-2014, 05:00 PM  
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If your measurements are from the existing finished opening you might want to strip off the existing trim or sheetrock to see what's under it and what your real rough opening is.
I replaced a bifold that someone just scabbed a bunch of scrap boards in to make a smaller r/o for it.

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Old 08-03-2014, 08:45 PM  
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This the framing that is there now.



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