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Thread: Maax drain install question

  1. #1
    DIY Junior Member jadedpuppy's Avatar
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    Default Maax drain install question

    I bought a Maax acrylic shower base and am a little confused about the drain installation.

    The shower base I bought is here: http://www.maax.com/en/utilitypages/productdetail.aspx?productID={C3A12DE8-1882-4771-8D07-BB91ED74E1CF}
    Here is the install instructions: http://www.maax.com/~/media/docs/Ins...2012-06-28.pdf

    If you open up the install instructions, you will two figures on page 8. Figures B and C. In figure B, it looks like the black rubber gasket goes on top of the shower base and hte cardboard gasket goes under the base. But in figure C it looks like both the cardboard and rubber gasket go under the shower base. Obviously both cannot be correct.

    The instructions seem to indicate that figure C is the correct depiction. Here is the quote: "Install rubber gasket then cardboard gasket on the top part of the drain coming out under the base." If that is correct, this means that the seal is accomplished only with the caulking on the top of the base? Is that correct?

    Any help would greatly be appreciated, I am not a seasoned plumber by any stretch

    Apply silicone around the edge of the drain hole in the base (surface between the top part of the drain and the base).


    Insert la top part of the drain in the drain hole.


    Install rubber gasket then cardboard gasket
    on the top part of the drain coming out under the base.


    Screw bottom part of drain on top part of drain under the base.
    Last edited by Terry; 07-02-2013 at 10:08 AM.

  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Both gaskets go on the bottom. The rubber gasket comes in contact with the bottom of the base the cardboard gasket goes under the rubber gasket. It acts as a friction ring to prevent the rubber gasket from spinning when you tighten the nut.

    John

  3. #3
    DIY Junior Member jadedpuppy's Avatar
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    Quote Originally Posted by johnjh2o1 View Post
    Both gaskets go on the bottom. The rubber gasket comes in contact with the bottom of the base the cardboard gasket goes under the rubber gasket. It acts as a friction ring to prevent the rubber gasket from spinning when you tighten the nut.

    John
    Thanks for the reply.

    The rubber gasket would not spin though, since the bottom section of drain is glued to the PVC pipe leading into the trap. So the "nut" part of the drain (the female part with the threading) stays in place below the shower base itself. The male part of the drain is the only part that spins. Maybe I'm not understanding you though?

    Doesn't that mean that the only seal is the caulking then? Isn't that kind of bad? (Again, sorry for my lack of knowledge regarding this, maybe this is normal for shower drains)

    Would I then replace the caulking every year or so?
    Last edited by jadedpuppy; 07-01-2013 at 10:05 PM.

  4. #4
    In the Trades Jerome2877's Avatar
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    Taken from your instructions...

    "Screw bottom part of drain on top part of drain under the base."

  5. #5
    DIY Junior Member jadedpuppy's Avatar
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    Quote Originally Posted by Jerome2877 View Post
    Taken from your instructions...

    "Screw bottom part of drain on top part of drain under the base."
    Ah, so your saying that I shouldn't have glued the bottom part to the PVC already? Yeah, maybe that is what they meant in the instructions. Screwing in the "male" (top) part though won't really make a difference though. It's the same thing really.

    My question/problem about the caulking being the only real "seal" still stands though. Is that normal for drains?

  6. #6
    Moderator & Master Plumber hj's Avatar
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    Actually, because of the way the drain appears to be constructed, the entire seal is the rubber gasket between the bottom of the shower and the top of the drain "body". Any leakage at the caulking would just flow into the drain body.
    Licensed residential and commercial plumber

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