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Flexi that takes vinyl after 4 hours drying.

Discussion in 'Subfloor Preparation' started by Haguehags, Jun 16, 2017.

  1. Spacey

    Spacey Super Moderator Staff Member

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    BC244D2F-FE10-4003-937F-AECE70706812.jpeg
     
    Spacey, May 1, 2018
    #21
  2. Spacey

    Spacey Super Moderator Staff Member

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    80CD0E09-534B-4C05-8109-31E4595EDE9C.jpeg
     
    Spacey, May 1, 2018
    #22
  3. merit

    merit Well-Known Member

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    Are you not worried you won’t get a bond to those plastic wires? I would prefer to prime the matts


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    merit, May 1, 2018
    #23
  4. Spacey

    Spacey Super Moderator Staff Member

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    With a water based I would be
    I use tilemaster super 30
    That’s uzin PE280 primer on PE 404 DPM under that mat
     
    Spacey, May 1, 2018
    #24
  5. Spacey

    Spacey Super Moderator Staff Member

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    Done this system many times without issues
     
    Spacey, May 1, 2018
    #25
  6. Spacey

    Spacey Super Moderator Staff Member

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    Gloves are a must laying this stuff BTW the mesh is fibre glass Not nice to handle same as handling Uzin reinforcement mesh or crack repair
     
    Spacey, May 1, 2018
    #26
  7. merit

    merit Well-Known Member

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    I really really hate screeding over that stuff. As you say mate, never fixed down properly


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    merit, May 1, 2018
    #27
  8. Mwfloor

    Mwfloor Well-Known Member

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    I've never touched UFH so I'd be reluctant to install it myself tbh, basically I work for a kitchen company who have a bathroom (7m2) coming up with UFH (T2 Quicknet 90 to be precise 3mm) all their work is sub'd out so I could be walking into a room where the matting is already down. In that situation I'm wanting to prime it, do a nice 8mm layer and go back the next day to fit the Karndean. Is that legit going to work..


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    Mwfloor, May 1, 2018
    #28
  9. merit

    merit Well-Known Member

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    If your putting down 8mm you wanna get the ufh turned on and run for a day before you go back and fit


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    merit, May 1, 2018
    #29
  10. merit

    merit Well-Known Member

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    Or they will turn the heating on as soon as you walk out the door and your lvt will be trying to flap off the floor


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    merit, May 1, 2018
    #30
  11. Mwfloor

    Mwfloor Well-Known Member

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    Haha tbh it may well go down thinner like 5/6mm if it's decent, would the same still apply? I've read I'd have to leave it for 48 hours after the UFH is switched off before I can fit.




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    Mwfloor, May 1, 2018
    #31
  12. Spacey

    Spacey Super Moderator Staff Member

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    Spacey, May 1, 2018
    #32
  13. Spacey

    Spacey Super Moderator Staff Member

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    Spacey, May 1, 2018
    #33
  14. merit

    merit Well-Known Member

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    Some ufh matts have a minimum thickness some need a 10mm. Leave it as long as you can.


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    merit, May 1, 2018
    #34
  15. Mwfloor

    Mwfloor Well-Known Member

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    Thanks for your help, I have taken note!


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    Mwfloor, May 2, 2018
    #35
  16. Spacey

    Spacey Super Moderator Staff Member

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    Normally two 6mm coats The max temp is the most important thing
    With wet systems aboutv 14mm above the pipes just coz they can get so hot
    Electric is easier to control
     
    Spacey, May 2, 2018
    #36
  17. Mwfloor

    Mwfloor Well-Known Member

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    You would still have to prime before first coat even when using NA?


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    Mwfloor, May 2, 2018
    #37
  18. Spacey

    Spacey Super Moderator Staff Member

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    It’s always better to prime reguardless what compound your using It increases the flow and workablility as well as giving a greater bond
     
    Spacey, May 2, 2018
    #38
  19. Spacey

    Spacey Super Moderator Staff Member

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    Top tip

    Don’t use metal trowels or pin levels or rakes over UFH mats
    I use a wooden float
     
    Spacey, May 2, 2018
    #39
  20. Mwfloor

    Mwfloor Well-Known Member

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    Thanks floor oracle


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    Mwfloor, May 2, 2018
    #40
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