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  1. #1
    Join Date
    Jun 2008
    Posts
    1

    Question Adding new bath to concrete slab

    We're in the process of converting a carport into a master suite, but we're stuck on plumbing. How can we get the drain out through a concrete slab? I seem to remember seeing a toilet that discharged from the back instead of the bottom, but I'm not having any luck finding anything except some rather expensive commercial fixtures. Any ideas that don't require busting up the slab? We hope to remodel again in a few years and turn the room back into a carport.

  2. #2
    Join Date
    Jun 2007
    Location
    near St. Paul, MN
    Posts
    166

    Default Re: Adding new bath to concrete slab

    TOH ran into a somewhat similar situation on the East Boston house. That house wasnít on concrete but they didnít want to incur the expense of routing the plumbing in the attic floor. So they simply created a raised floor. All the plumbing then was routed under the new floor and the original floor was left intact.

    The only toilet Iíve seen that discharges out the back is a macerating toilet. These are typically used in basements so they can pump the waste up. You might not need the ďpumping upĒ action of this toilet but it does discharge out the back. Iíd check with a plumber for more information.

    http://www.nwrenovation.com/12maceratingtoilet.html

    http://www.nextag.com/macerator-toilet/search-html


    Good luck.

  3. #3
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Adding new bath to concrete slab

    Rear discharge wall mounted toilets are commonly used in commercial applications .... you may have seen them at airports for example.

    Here's a link : http://www.americanstandard-us.com/P...ol=&prodID=901

    How can we get the drain out through a concrete slab?
    Is the house on a concrete slab?
    "" an ounce of perception -- a pound of obscure "
    - Rush

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