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Thread: Install bathtub over tile?

  1. #1

    Default Install bathtub over tile?

    Anyone know if it's ok to install a bathtub over a ceramic tile floor...by this I mean extend the tile underneath the bathtub skirt...or will this just cause the tiles to break when someone steps into the tub and the skirt bears down on the tile?

    thx

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Default

    If the tile is properly installed, it should not matter.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    Moderator & Master Plumber hj's Avatar
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    Default tub

    it is easier for the tiler and it eliminates the gap between the tile and tub which is always a potential leak source when the grout cracks or pulls away from the tub. Unless the tub is very poorly installed no damage to the tile will occur.

  4. #4
    Plumber Cass's Avatar
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    It is O.K. If the tile goes all the way under the tub to the wall or the tub is set in mud to level it with the tile floor if the floor does not go all the way to the wall.

    If the tub is set on the floor and the tile only goes a few inches under the skirt the tub will not be level.

  5. #5

    Default

    thx for info guys

  6. #6
    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    We tiled up to an existing tub in one bathroom, used a sanded grout-color-matched caulk in the seam next to the tub. Provides some flexibility, so theoretically it won't crack and leak. In the all-new master bath we tiled right up to the walls everywhere.

  7. #7
    Moderator & Master Plumber hj's Avatar
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    If the tub is set on the floor and the tile only goes a few inches under the skirt the tub will not be level.[/quote]

    Most tubs have to be leveled anyway, regardless of what the floor looks like.

  8. #8
    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Default What's under the tile?

    The supporting subfloor is more important than the tile -- if it flexes too much, you might have grout (and tile) cracking with the weight of the water-filled tub.

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