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Thread: Help with Kohler Mistos Install

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  1. #1
    DIY Junior Member Trevor's Avatar
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    Unhappy Help with Kohler Mistos Install

    Can someone please help me with the installation of a Kohler mistos shower/bath unit? I now have the drywall installed and stressing that I do not have it installed correctly. My next step would be installing the tile.

    I am using a Kohler Mistos K-R37028-4-CP:

    http://www.us.kohler.com/us/Mistos%C...log/428492.htm

    I tried to install the faucet deeper in the wall but the wall seemed pretty shallow. It was the deepest I could install it and still fasten down the pipes.

    The distance from the center of the copper water pipe to the edge of the drywall is 2-5/8. The distance from the center of the pipe to the outside edge of the plastic frame is 2-3/4. The outside edge of the plastic is sticking out from the wall by 1/8th.

    Am I in trouble? I was thinking of cutting back the plastic ring by 1/2inch, then putting the tile on closer to the center. Any advice would be greatly appreciated. Thanks. Trevor.

    Rough in guide:
    http://www.us.kohler.com/webassets/k.../1171693_1.pdf

    Install guide part 1:
    http://www.us.kohler.com/webassets/k.../1110626_2.pdf

    Install guide part 2:
    http://www.us.kohler.com/webassets/k.../1142462_2.pdf

    The green stuff is a water proof sealer I painted on.

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  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    Here is a little information on the K-304

    http://www.terrylove.com/forums/show...er-valve-K-304



    Last edited by Terry; 11-19-2012 at 10:28 PM.

  3. #3
    DIY Junior Member Trevor's Avatar
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    That looks like a similar setup. Do you think mine is installed correctly? Is the unit sticking out too far from the drywall? Will the handle mount correctly once the tiles have been installed?

  4. #4
    Forum Admin, Expert Plumber Terry's Avatar
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    If your tile is fairly thick, you should be okay.

    2-3/4" (70 mm) Thin Wall
    3-1/2" (89 mm) Thick Wall
    If over 3-1/2" (89 mm) and
    up to 4-1/4" (108 mm),
    use Deep Roughing-in kit


    From center of pipe.
    Is this what you have. You have 3/4" to work with there.
    Last edited by Terry; 11-19-2012 at 10:37 PM.

  5. #5
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Quote Originally Posted by Trevor View Post
    That looks like a similar setup. Do you think mine is installed correctly? Is the unit sticking out too far from the drywall? Will the handle mount correctly once the tiles have been installed?
    Why do you have drywall installed in your shower? It appears that you mudded it as well.

    The coverage on your waterproofing looks thin. Did you use a mil guage when installing.

    Drywall is not allowed in B.C. showers - what ever colour it is , blue, pink, green or white.

    If you are using it because you are trying to save money at the very least apply the proper coverage of that liquid membrane you use. I have never seen that colour of a product before.

    Who makes it?

    JW


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  6. #6
    Moderator & Master Plumber hj's Avatar
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    From your picture, it looks like the tile will be flush with the surface of the plastic "plaster ground", which is where it should be.
    Licensed residential and commercial plumber

  7. #7
    DIY Junior Member Trevor's Avatar
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    I have used Densshield behind the shower. It was muded with a concrete mixture. I have used one coat of Waterproof latex compound. I still need to apply another coat:

    http://www.flextile.net/products/CIS...ubexpandable=0

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