Corner Toilet rough in dimensions

Discussion in 'Toilet Forum discussions' started by lanachurner, Apr 2, 2018.

  1. lanachurner

    lanachurner Member

    Joined:
    Mar 25, 2016
    Location:
    Minnesota
    Hello all.
    I'm working in a bathroom here that has a corner toilet. They want to replace the toilet along with tiling the walls.
    Looking at the specs for corner toilets every one I see gives dimensions from the FINISHED wall to the center of the closet flange.
    The rough is usually measured from the framing is it not?
    Is the rough on corner toilets measured differently than a regular floor mount model.
    It is measuring 12" from the framing now. (both ways)
    I' m wondering if I need to move the flange.
    Hope this makes sense.
    Thanks.
     
  2. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    It makes sense. If your wall thickness will be more than 1/2 inch, the answer is probably yes.

    The 12 inch measure would be from each wall, which would be about 17 inches from the corner.
     
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  4. lanachurner

    lanachurner Member

    Joined:
    Mar 25, 2016
    Location:
    Minnesota
    They want to tile the walls too.
    About 3/8" tile.
     
  5. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    So you are talking at least 7/8 inch counting the drywall.

    If you don't move the flange, you may need to use a 10 inch rough toilet if you can find one.

    https://terrylove.com/forums/index.php?threads/where-to-measure-rough-in-for-corner-toilet.46249/
    https://terrylove.com/forums/index.php?threads/corner-toilet-10-rough-in.2390/
    https://terrylove.com/forums/index.php?threads/corner-toilets.34768/

    The toilets discussed may no longer be available. Moving the closet flange while things are open will probably be a good idea.
     
    Last edited: Apr 2, 2018
  6. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    [​IMG]

    It's 12" from the "finished" wall measuring from the corner on both sides.
    The rough-in is never measured from the rough framing.

    [​IMG]

    Normally the tank isn't touching the wall and has a little bit of clearance.
     
  7. hj

    hj Master Plumber

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    The "rough in" dimension is ALWAYS measured from the finished walls, NOT the framing.
     
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