Self Levelling Screed

Discussion in 'Vinyl / Impervious floor coverings' started by Darren Robert OBrien, Oct 4, 2021.

  1. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    Hi all,

    How much should I be looking to pay to prep a concete subfloor for LVT glue down.

    Approx 20m2
     
  2. merit

    merit Well-Known Member

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    Depends how flat it is. Has it had a level over it? Is it already smooth?


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  3. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    It looks fairly flat, Ill try take a pic, but be good to try and find out a very rough price for best case scenario/worst case scenario - i.e needing grindign back it.

    Its fairly good condition as it had carpet under there before.
     
  4. dazlight

    dazlight Super Moderator

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    If just a smoothing compound say ardex CL at 4mm approx 6 units say so £300
     
  5. tarkett85

    tarkett85 Well-Known Member

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    First thing you need to know is the moisture content in the concrete, if it’s below 75%rh crack on as Daz said around £300 is reasonable for a 3-4mm screed, depending on how rough it is you may need a grinding beforehand or a deeper level of screed, and then the moisture levels may require a surface dpm and changing up the screed used which all increases the cost, to gauge the price more effectively we really need the rh% reading from the concrete, some pictures of it and some measurements of the evenness.


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  6. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    Hi mate, ill get some pics today. Is there anywhere I can rent something that I can find out what the RH levels are?

    Shall i use my iphone spirit level app to see different sections of the floor or will I need a long metal spirit level
     
  7. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    <a href="https://ibb.co/0j4mmdr"><img src="https://i.ibb.co/0j4mmdr/floor13.jpg" alt="floor13" border="0"></a> <a href="https://ibb.co/PFqvkrq"><img src="https://i.ibb.co/PFqvkrq/floor12.jpg" alt="floor12" border="0"></a> <a href="https://ibb.co/ZYVNLRD"><img src="https://i.ibb.co/ZYVNLRD/floor11.jpg" alt="floor11" border="0"></a> <a href="https://ibb.co/T45knWQ"><img src="https://i.ibb.co/T45knWQ/floor10.jpg" alt="floor10" border="0"></a> <a href="https://ibb.co/tZHv2HB"><img src="https://i.ibb.co/tZHv2HB/floor9.jpg" alt="floor9" border="0"></a> <a href="https://ibb.co/P5S4VCm"><img src="https://i.ibb.co/P5S4VCm/floor8.jpg" alt="floor8" border="0"></a> <a href="https://ibb.co/vxYQQW5"><img src="https://i.ibb.co/vxYQQW5/floor7.jpg" alt="floor7" border="0"></a> <a href="https://ibb.co/x5NSDt6"><img src="https://i.ibb.co/x5NSDt6/floor6.jpg" alt="floor6" border="0"></a> <a href="https://ibb.co/m6dBbnx"><img src="https://i.ibb.co/m6dBbnx/floor5.jpg" alt="floor5" border="0"></a> <a href="https://ibb.co/TW9kth9"><img src="https://i.ibb.co/TW9kth9/floor4.jpg" alt="floor4" border="0"></a> <a href="https://ibb.co/SspDL76"><img src="https://i.ibb.co/SspDL76/floor3.jpg" alt="floor3" border="0"></a> <a href="https://ibb.co/hcRKw5z"><img src="https://i.ibb.co/hcRKw5z/floor2.jpg" alt="floor2" border="0"></a> <a href="https://ibb.co/0j4mmdr"><img src="https://i.ibb.co/0j4mmdr/floor13.jpg" alt="floor13" border="0"></a>
     
  8. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    Sorry for the weird links above!
     
  9. dazlight

    dazlight Super Moderator

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    What year was the house built
     
  10. Darren Robert OBrien

    Darren Robert OBrien Well-Known Member

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    I think its 80's or early 90's

    how comes?

    I had a surveyor out who thinks it just could have cracked and not dried out properly
     
  11. adamg

    adamg Member

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    Sorry for being pedantic, but can we stop calling it self leveling. I'm sick of customers assuming you just turn up and pour it out to leave a perfectly smooth floor. Rant over. It's been a long week.
     
  12. UK Dave

    UK Dave Member

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    Maybe it's best you tell the manufacturers, it's what they write on their packaging.... Capture.JPG
     
  13. merit

    merit Well-Known Member

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    It is self levelling. Just not over most subfloors at 3mm


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  14. Distinctive Adam

    Distinctive Adam Well-Known Member

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    In the right hands it’s self levelling
     
  15. merit

    merit Well-Known Member

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    It’s a bit like plastering. Some can get it flat. Some really can’t


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  16. Floorever

    Floorever Well-Known Member

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    Level isn’t even in the standards.
    It’s difficult enough trying to get these shocking floors to sr1, never mind level!

    I prefer the term ‘smoothing compound’.
     
  17. merit

    merit Well-Known Member

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    I prefer prime and slime lol


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  18. Rugmunching

    Rugmunching Well-Known Member

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    Naahhh, scratch coat o_O
     
  19. merit

    merit Well-Known Member

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    With the wiper


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