Screed on damp floor

Discussion in 'Subfloor Preparation' started by 67Danny, May 14, 2021.

  1. 67Danny

    67Danny New Member

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    Hi any help please I’ve recently had new concrete floor put down approximately a month damp meter readings 1.6 had dehumidifier on for 2 days still same levels, would a liquid dpm be ok at this level of reading to screed on... thank you in advance
     
  2. dazlight

    dazlight Super Moderator

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    1.6? What meter do you have
     
  3. 67Danny

    67Danny New Member

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    stanley 077030
     
  4. 67Danny

    67Danny New Member

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  5. merit

    merit Well-Known Member

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    Ardex dpm1c or murexin silane dpm amd your be good to go


    Sent from my iPhone using Tapatalk
     
  6. 67Danny

    67Danny New Member

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    Cheers thank you
     
  7. dazlight

    dazlight Super Moderator

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    A month old then it should be good to Dpm.
    A few to pick from. We like using Uzin PE404, 2 coats.

    the meter you have won’t give you a correct reading. You need to get a hydro box really and check for RH%
     

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