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Thread: Add master "bath"

  1. #1

    Default Add master "bath"

    Greetings. This forum looks great.
    Looking for advice on the _beginning_ of an idea.

    I have a large master bedroom, so I am considering
    taking a corner and making a "master bathroom".
    The main stack is on the wall where this would go.

    Ideally, it would really be just a corner. It's 48"
    from the wall with the stack to the edge of the window,
    and I would like the window to stay in the BR.
    (a new one would be added for the bath).

    (Later, after an addition, we might get fancy and make
    the bathroom along the whole wall, 12', including that window,
    and connected to a walk-in closet in the addition. That's
    another discussion, and years?)

    My question here is, I have a toilet in existing bath, flange is
    about 8" from the wall that has the stack. It occured to me
    to try to move that wall, so a new wall would surround the
    existing flange, and use that for a soil stack, with a wall-mount
    toilet in the existing Bath, and then use the old stack for the
    flange for the new toilet, i.e., the new toilet would be in an alcove
    under the wall that had the stack ( vent stack shifted to the side?).
    Or, have the new toilet also wall-mount, feeding into that same
    flange, and the old soil stack would be capped - (and under the
    new bathroom floor).

    The goals would be, to minimize space taken from the master bath,
    and not have to re-tile the original bathroom.

    My questions, Is that an excessive amount of labor for
    the space it would save? would it work/meet code/etc?
    Or would the weirdness factor just make it not worthwhile?

    If the homeowner is considering doing this himself,
    does any of this cause it to become too hard for the
    fearless/foolish amateur? Perhaps the Wall-mount toilet
    in the new bath would by itself be enough, and would
    save the construction of moving the old toilet.

    BTW, is there a spec for space on 3 sides/front of a toilet?
    Hopefully there would be room for toilet, shower, sink.
    Maybe that would help figure out if there's room....

    BTW, I already know from this forum that the toilet will be a Toto...

    Thanks
    Seth

  2. #2
    Engineer jdkimes's Avatar
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    Sep 2004
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    Littleton, CO
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    Default

    I think maybe you measured the space between flange and toilet wrong.
    Did you measure to the center line of the flange or the edge? That 8" doesn't sound right.
    The code is at least 15" from the center line to each side, and 24" from the front of the bowl to the nearest obstruction (wall shower etc.).
    The description of what you want to do w/ the piping and stack is unclear.

  3. #3

    Default clarification

    Thanks. You are right, It seems to be 14".

    So, to clarify, I have a bathroom, and I have a master BR.
    I would like to make a master bathroom on the other
    side of the wall from the existing toilet & bathtub.
    I had this idea, maybe too complex..to save space
    in the Bedroom....basically, move the soil stack and vent stack...
    to the location where the existing flange is, put a wall there,
    remove the old wall, cap the old soil stack,
    (magically) connect the new vent stack to the old vent stack
    above the ceiling.

    What is special is using the old bend (?) for the new soil stack,
    so that I don't need to re-build the floor in the old bathroom.

    in this scenario, probably both toilets would be wall-mount,
    with tanks in the (new) wall. The "new" toilet would be
    directly under the header that would replace the removed wall.

    All this to save some 12" in the new bath.

    The bathroom would still be about 48" x 50", including a 32" shower,
    but not counting most of the toilet, which is in the alcove.

    I'll try to draw it if there's interest.
    It may be too complicated to be worth it,
    separate from whether it would meet code

  4. #4
    Engineer jdkimes's Avatar
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    Sep 2004
    Location
    Littleton, CO
    Posts
    181

    Default

    Probably should draw it out, because you might realize that's not enough room for everything.

  5. #5
    Moderator & Master Plumber hj's Avatar
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    Aug 2004
    Location
    Cave Creek, Arizona
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    25,655

    Default bath

    Your description is somewhat confusing to follow, but the existing flange opening cannot be extended upward to become a new stack for a back outlet toilet, or anything else. You probably have a major plumbing revision ahead of you and it is probably going to be beyond what a DIY'er can handle, especially the design phase.

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