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Priming a screeded floor.

Discussion in 'Tiling' started by Tewy81, 26 Feb 2016.

  1. Tewy81

    Tewy81

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    I need to prime a screeded floor ready to put the undertile insulation down, any recommended products for this?
     
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  3. What type of underfloor heating are you using.
     
  4. Tewy81

    Tewy81

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    I am using a 150w heating matt, by living heat. It's a 20m2 matt. I am laying on 6mm insulation board(it's blue) think it's called Xps/styrofoam.
    Living heat said the screed needs to be primed with a "suitable primer"
    I can't use 10mm insulation as it will be too high where it meets bifold doors and hallway.
    Any tips/ advise would be greatly appreciated.
    Andy
     
  5. Paul C.

    Paul C.

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    What type of screed is it? Sand and Cement or Anhydrite/Calcium Sulphate
     
  6. r1flyguy

    r1flyguy

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    Did the company who supplied the heating mat not supply the primer?

    I used another company who sold as a package, I was able to use 10mm insulated backer board instead of 6mm as I have the height.

    Have they told you that you need to prime the insulation boards once they are fitted too.

    I appreciate you can tile directly on top of the Matt but that seems like a pain to do so I've used a self levelling compound on top of the Matt to make tiling easier.

    No help to you I know :)
     
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