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Thread: Kohler Pedestal Sink Install

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    DIY Junior Member mekump's Avatar
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    Default Kohler Pedestal Sink Install

    Hello and thank you for your help

    I am installing a Kohler Portrait pedestal sink and the back of the sink that mates up to the wall is very uneven. If I level the sink I have about a 1/4" inch gap between the wall and the top back of the sink. Should I level the sink or should I mount the sink so that it is flush to the wall?

    Mike

  2. #2

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    The sink shouldn't need to be level front to back. You can probably install it flush to the wall, shim the base to support it properly, and then grout or caulk around the base to hide the gap and shims.

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    Retired Defense Industry Engineer jadnashua's Avatar
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    If you wall is flat and level, and the sink is the wavy part...take it back as it is defective. The thing cost enough, they owe you a good one.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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    DIY Junior Member mekump's Avatar
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    It is the back of the sink that is wavy and the top of the pedestal isn't much better. I have had the sink for over a year now and am finaly at the point where I can install it. I did find the following link here on Terry's forum about pedestal sinks and such. http://terrylove.com/forums/showthre...stal+sink+wavy

  5. #5

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    Quote Originally Posted by mekump View Post
    Hello and thank you for your help

    I am installing a Kohler Portrait pedestal sink and the back of the sink that mates up to the wall is very uneven. If I level the sink I have about a 1/4" inch gap between the wall and the top back of the sink. Should I level the sink or should I mount the sink so that it is flush to the wall?

    Mike
    I also purchased Kohler Memoirs pedestal sink in 2005 and only had a chance to install now. I immediately noticed on mine that the back of the sink was uneven too and to make matters worse so was my wall slightly. Now I have a 1/4 inch gap to deal with.

    Since I cannot take it back now, should I just place a couple of shims along the back side and caulk over it? I just want to make sure that the sink is properly secured having two children in the house.

    After reading all the complaints that others have had with their Kohler sinks and toilets, I will no longer be buying a product from them again.

  6. #6
    I teach guitar:You call that a job? Howard Emerson's Avatar
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    To both of you with the warped-back pedestals,

    If for some reason you have not yet tiled the wall where the sink is butting up to, I would 'scoop' out the sheet rock so that that top edge made contact, and then tile from there.

    Porcelain of any brand is hardly ever perfectly formed. It really tends to slump somehow, someway, in one direction or another.

    HE

  7. #7

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    Quote Originally Posted by Howard Emerson View Post
    To both of you with the warped-back pedestals,

    If for some reason you have not yet tiled the wall where the sink is butting up to, I would 'scoop' out the sheet rock so that that top edge made contact, and then tile from there.

    Porcelain of any brand is hardly ever perfectly formed. It really tends to slump somehow, someway, in one direction or another.

    HE
    Howard, thanks for your reply.

    Unfortunately, I've already tiled my walls. This issue with porcelain is new to me but I would expect much better quality control coming from Kohler (they sure charge enough).

    Here's a photo of my sink:

    Last edited by Mas Oyama; 12-02-2008 at 09:23 PM.

  8. #8
    Master Plumber master plumber mark's Avatar
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    Talking caulk it

    you are simply going to have to caluk it with some dap

    their isnt much you can do about it now except learn to live

    with the large bead of white caluk along the back...

  9. #9

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    I've found Kohler products to be terrible.

    Tom

  10. #10
    TROJAN WORLDWIDE SALES RP MACPLUMB 777's Avatar
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    Default Pedestal sink install

    Coming from a professional what i always do in this case is get plumbers putty, roll into a string and push down into the crack filling as much as possible, then use dap caulking to seal with

    TRYING TO USE DAP OR ANY CAULKING ALONE WILL JUST RUN DOWN THE WALL

    use a small wet sponge to smooth out the caulking keep rinsing out sponge in sink till you get a smooth bead across it

    then do not ! ! Use sink for 24 hrs. Till caulking cures

    MACPLUMB 777

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  11. #11
    Moderator & Master Plumber hj's Avatar
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    Default sink

    quote; If for some reason you have not yet tiled the wall where the sink is butting up to, I would 'scoop' out the sheet rock so that that top edge made contact, and then tile from there.

    I hope you are not telling him to mount the sink and then tile down to it. If so, then there is no need to "scoop" the sheetrock because the tile will cover the gap anyway. But it will also make the sink impossible to remove later if they use the hanger brackets that come with some sinks.

  12. #12
    I teach guitar:You call that a job? Howard Emerson's Avatar
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    Quote Originally Posted by hj View Post
    quote; If for some reason you have not yet tiled the wall where the sink is butting up to, I would 'scoop' out the sheet rock so that that top edge made contact, and then tile from there.

    I hope you are not telling him to mount the sink and then tile down to it. If so, then there is no need to "scoop" the sheetrock because the tile will cover the gap anyway. But it will also make the sink impossible to remove later if they use the hanger brackets that come with some sinks.
    HJ,
    The only pedestal sink I ever installed was fastened with bolts and washers through holes from underneath, but I understand what you're talking about.

    It was too late in any case.

    HE

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