Repetetively failing silicon around shower base

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  • Norman_Castle
    Norman_Castle Posts: 11,871 Forumite
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    Gaffer tape. Clean the tiles and shower base first to remove any soap or grease. White vinegar removes grease. Check regularly and replace as needed.
  • Any
    Any Posts: 7,944 Forumite
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    Bettie wrote: »
    could you not put a shower curtain or two on a wire and velcro/stick it to the sides at the bottom or with weights on it would hang straight so the water runs down the curtain into the tray?

    I've thought about something like that yesterday, just need to think through best way about it... as we have exposed shower rail so you still need access to that to control the shower.

    But maybe like piece of plexi glass placed at slight angle to let water run down it instead of down the wall, diverted to the tray...
  • Norman_Castle
    Norman_Castle Posts: 11,871 Forumite
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    http://www.screwfix.com/p/duck-ultimate-cloth-tape-50-mesh-white-50mm-x-25m/42088
  • millie
    millie Posts: 1,443 Forumite
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    We used this https://www.byretech.com/acatalog/shower-tray-seals.html It was installed 6 years ago and still looks as good as new, no mould or leaks. Its not cheap but seems to work well.
  • Any
    Any Posts: 7,944 Forumite
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    millie wrote: »
    We used this https://www.byretech.com/acatalog/shower-tray-seals.html It was installed 6 years ago and still looks as good as new, no mould or leaks. Its not cheap but seems to work well.

    Thank you, this looks good!
  • davemorton
    davemorton Posts: 29,066 Forumite
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    If it is only temporary use some flashband.
    http://www.screwfix.com/p/flashband-bostik-flashband-evo-stik-flashband-primer-grey-3-75-x-100mm/62174?kpid=62174&cm_mmc=Google-_-Product%20Listing%20Ads-_-Sales%20Tracking-_-sales%20tracking%20url&gclid=Cj0KEQjwp4fABRCer93Klpaki94BEiQAsXJMGqC6FmNAwanRyM_QtHDjnvYQfEB2isPuWeHcFlPey9IaAn6u8P8HAQ
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  • googler
    googler Posts: 16,103 Forumite
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    sysadmin wrote: »
    remove the tiles and use shower paneling - this is what we had done when we had a similar issue

    That will be of no use at all if the core problem is/was that the shower tray is moving with respect to the wall, which appears to be the case.

    Big, heavy, stone base, placed upon flooring and joists which flex under the weight, and which move even more when humans step upon it. Walls stay still, floor goes down, gap between tiles on wall and tray opens up.

    Simples.
  • glubalub
    glubalub Posts: 35 Forumite
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    Are you absolutely certain that the leak is coming from the base of the shower tray and not from either the waste or the cold or hot water feed to the mixer? Are there any cracked tiles/missing grout joints anywhere else in the shower where water could be running in?

    If it is definitely the shower tray tile junction that's leaking then silicone may solve the problem. As others have said silicone does have a couple of problems. Standard silicone doesn't stick to itself or anything that is wet so the joint surfaces would need to be completely dry and all the old silicone removed before the new silicone is applied to the joint. Silicone sealant remover is available in mastic tubes.

    Silicone is a little bit flexible but if there is a lot of movement in the tray then every time you stand in it you will stretch the silicone a bit and it will eventually break away from the surface and leak. If you can see more than a couple of mm movement in the tray as you step into it, then I'd double check the joiner's advice that the tray is safe

    If you decide to go down the replacement silicone route and the surfaces can't be fully dried then you can buy a waterproof sealant.
    http://www.screwfix.com/p/geocel-the-works-sealant-adhesive-white-290ml/72264
    If there are any voids between the tray and the structure it's a good idea to fill them first with expanding foam which must be completely cured and cut back before the silicone is applied to the joint. Any new silicone should be "tooled" to make sure it's firmly stuck to the tiles and the shower tray.
    If that fails or doesn't appeal then there is a waterproof tape called flashband that is designed to seal joints in roofs. I've never used it in a shower but if you're desperate it may reduce the rate at which the water leaks for a few months.
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