Discolouration.

Discussion in 'Vinyl / Impervious floor coverings' started by Ailsa, Apr 15, 2024.

  1. Ailsa

    Ailsa New Member

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    Hello. Floor is in my mums house. It was laid as a wet room when bath was removed due to mobility issues. Radiator was removed and electric underfloor heating was laid. The floor is an anti slip vinyl and a small brown mark had appeared. Heat Mat is guaranteed but they refuse to do anything as the controller is not theirs. Mum is now left with this discolouration on the floor. Is there anything we can do to get rid of the marks or is she looking at renewing the vinyl.
     

    Attached Files:

  2. crazydaze

    crazydaze Well-Known Member

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    Looks like heat has discoulured the safety floor.

    Possible reasons:

    Underfloor heating too hot for the safety floor

    or

    Underfloor heating not buried in deep enough screed before the safety floor has been fitted

    or

    Combination of both of the above.

    It can't be cleaned off unfortunately.
     
  3. Ailsa

    Ailsa New Member

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    Thank you for that. I think we will replace with new flooring. I take it the old mar and screed will need to be completely lifted back to old flooring? Trying to keep disruption to a minimum for mum.
     
  4. merit

    merit Well-Known Member

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    Jeeez. Is that ufh or a grill under that vinyl. Whats the temp? 140 degrees?
     
  5. Ailsa

    Ailsa New Member

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    According to the controller it shouldn’t have been above 28C. The camera has really picked up the damage. It doesn’t look as bad to the naked eye. It’s all switched off but I’m just wondering how much of a fire risk it was.
     
  6. merit

    merit Well-Known Member

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    Maybe you just need to remove the vinyl, get another good coat of levelling compound over the top. The matting should be 10mm below the floorcovering
     

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