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New renovation: No waterstop installed and shower leaking to under tiles

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  1. #1
    Apprentice (new member)
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    Default New renovation: No waterstop installed and shower leaking to under tiles

    Hi guys

    I'm trying to pin point the real cause of this leaking shower problem.

    We just had our bathroom installed and got a waterproofing certificate etc.

    But the first time we used the shower, about 5min post showering, there is water seeping through the floor about 30cm away and continues to leak about 30min after the shower.

    After much research on the forums and on the internet, I realised the problem could be due to any of the following:

    1) when installing the shower frame (it's a framed shower), the installer attached to the wall on the top and bottom and probably pierced through the waterproofing membrane underneath. How do you fix this?

    2) the floor is probably lower at the point where water came our from the wall to floor joint than the floor waste and because there is no waterstop installed, the water is travelling beneath the tiles and running to the lowest point.

    I'm thinking we need to get the waterproofer back to take out the tiles in the shower floor and bottom row on shower wall, screed the floor, put in a waterstop (does anyone use waterstop streamline or just normal alumium angles?), re waterproof the shower area and up the lip of the waterstop, retile the floor and reinstall the shower screen. Is that possible to do without ripping up the whole bathroom? I would like to avoid this as much as we can.

    The floors and wall are all concrete and brick.

    Any help would be much appreciated! I didn't know anything about waterstop and just relied on the waterrpoofer and tiler... Big mistake but hoping to fix it properly.

    Sent

  2. #2
    3K Club Member johnc's Avatar
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    Default

    Probably not the shower screen, most likely the waterstop angle. Who arranged the work? if it was a builder go through them if yourself then you may have a problem. It may be difficult to remove the shower screen without destroying it or breaking glass in the process. You may only need to remove the shower tiles on the floor, install waterstop and retile, you will almost certainly damage the waterproofing in the process.

    Speak to the tiler, speak to the waterproofer and go from there, also speak to whoever installed the shower screen. Water is a pain there is no easy fix.

  3. #3
    Seasoned DIY droog's Avatar
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    First step.
    Plug the nipple for the shower rose and turn the water on. If you get water coming from behind the tiles the leak is in your plumbing.

  4. #4
    Apprentice (new member)
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    Quote Originally Posted by johnc View Post
    Probably not the shower screen, most likely the waterstop angle. Who arranged the work? if it was a builder go through them if yourself then you may have a problem. It may be difficult to remove the shower screen without destroying it or breaking glass in the process. You may only need to remove the shower tiles on the floor, install waterstop and retile, you will almost certainly damage the waterproofing in the process.

    Speak to the tiler, speak to the waterproofer and go from there, also speak to whoever installed the shower screen. Water is a pain there is no easy fix.
    Just wondering pulling out the shower floor tiles, put waterstop and retile, how does it work if there is no set down and the rest of the room going to be level?

    Can new waterproof be applied just in the shower area up the waterstop, rest area has the original waterproofing?

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