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  1. #1
    Join Date
    Mar 2009
    Posts
    4

    Question Installing heated mat in shower

    I'm planning on installing a heated tile floor in my bathroom redo. I'd like to have the shower floor heated also, is there a problem or a safety concern with using the wire mat under the concrete base used for the shower pan?

  2. #2
    Join Date
    Feb 2010
    Location
    South*East
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    1,168

    Default Re: Installing heated mat in shower

    My question is why? I can see it in the bathroom but not in the shower floor.

    John

  3. #3
    Join Date
    Mar 2009
    Posts
    4

    Default Re: Installing heated mat in shower

    The entire bathroom is only 5' X 5' so i just planned to do the floor where someone would be standing, hence, the shower floor included.

  4. #4
    Join Date
    Feb 2010
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    South*East
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    Default Re: Installing heated mat in shower

    I would think that when you're standing in the shower the hot water would be on and there would be no need for a heated floor. You're looking for trouble putting a mat under the shower floor.
    John

  5. #5
    Join Date
    Sep 2012
    Location
    Boston
    Posts
    821

    Default Re: Installing heated mat in shower

    i can't imagine an electrical mat being allowed in any electrical code book in a shower.

    but it could be done with hot water from the furnace in a radiant floor. i just don't see the point of it and i would expect potential problems.

  6. #6
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,089

    Default Re: Installing heated mat in shower

    I agree, it's not a good idea.

    We, in Southern California, are actually looking for something to cool our floors in the hot summers.

  7. #7
    Join Date
    Mar 2009
    Posts
    4

    Default Re: Installing heated mat in shower

    Thanks to all that responded. I've taken the heated shower floor out of the equation, just going to heat the floor outside of the shower and in front of the commode. Tile floors in Pennsylvania can be pretty cold in the winter.

    Rich

  8. #8
    Join Date
    Dec 2007
    Location
    Tennessee
    Posts
    1,381

    Default Re: Installing heated mat in shower

    In episode 7 of the Cambridge project, they used radiant heat under the shower floor, but I think it was hydronic and not electric. As I watched that episode where they used a styrofoam shower pan, I though it was odd to have a heated floor covered by a pretty effective insulation. Seems like you would want the insulation under the radiant heat, not on top of it.

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