Stopgap 300 over old vinyl tile adhesive ?

Discussion in 'Subfloor Preparation' started by James-HG, Dec 10, 2014.

  1. James-HG

    James-HG Member

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    Just been to look over a job for a local builders . Theyre supplying materials for the job and they have got stopgap 300 . The areas which I need to latex have a thin coat of old black Marley tile adhesive on the concrete floor . It looks as if the tiles have been up for a long time and the adhesive is dead. If primed with p131 will it be possible to use the 300 or is it that a risk. Cheers in advance .
     
  2. coolevilangel

    coolevilangel Well-Known Member

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    I wouldn't
    If it's a domestic job then use a bag & bottle, not water based.(it'll be too strong)
    Can you not grind the floor back?
     
  3. Matt

    Matt Well-Known Member Staff Member

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    Its a risk. 50/50 mate, either it will be fine or it will fail. Your the one issuing the guaranty tho.
     
  4. G.W Flooring

    G.W Flooring Well-Known Member

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    Did it in my own house and has been down for 4 years and is solid. But being my own house the risk is my own.
     
  5. mjfl

    mjfl Well-Known Member

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    It's always fine until it fails...
    That's where you will lose more than just your reputation... it'll cost you too.....
    Grind it off
     
  6. Spacey

    Spacey Super Moderator Staff Member

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    Very dodgy you'll only get the blame if it goes wrong
    Grind of the bitumen residue off first though then your good to go.
     
  7. Cre8tiveflooring

    Cre8tiveflooring Well-Known Member

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    FBall says neat p131 and 300 is ok. But it will depend on your interpretation of clean, and theirs. Grind it back, not worth the risk.
     
  8. g4l

    g4l Well-Known Member

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    Just buy some NA or 1200 and go straight over and keep the 300 for another job.
     
  9. Matt

    Matt Well-Known Member Staff Member

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    Na and 1200 still require the floor to be ground etc before you can use over old adhesive.
     
  10. dazlight

    dazlight Super Moderator

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    Is there a DPM under the concrete mate ? Is building older then 1965?
     
  11. mjfl

    mjfl Well-Known Member

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    if you grind the floor, will there be any adhesive left to cover.. :rolleyes:
     
  12. mjfl

    mjfl Well-Known Member

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    I might hire myself out.. the wife reckons I'd be a cheaper option..:twisted:
     
  13. James-HG

    James-HG Member

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    Cheers for the opinions lads . Think from that response I'll tell the builder I'm not prepared to use the 300 over the bitumen. I would buy 1200 and swap it for the 300 but I very rarely use anything other than bag and bottle now. Cheers again
     
  14. Matt

    Matt Well-Known Member Staff Member

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    You have a very good point there Mario...... let me think about this..... if we was to have a good grinder......and then we ground the floor flat and removed adhesive etc....... I think you might just be on to something here Mario.

    Is the answer - I have lots of money so lets go the pub?
     
  15. Matt

    Matt Well-Known Member Staff Member

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    However you only have to remove 70% of the adhesive to use 1200 for example, so if I quit there I might as well but a compound down. Not sure I would quit tho.
     
  16. mjfl

    mjfl Well-Known Member

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    No, incorrect answer... the correct answer is.. you buy the grinder from me and then take me down the pub to say thank you.. for saving you lots of bucks on all that latex... :rolleyes:
     
  17. mjfl

    mjfl Well-Known Member

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    you could then put a dpm if needed direct to the very smooth floor and stick to that?
     
    Last edited: Dec 10, 2014
  18. G.W Flooring

    G.W Flooring Well-Known Member

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    Did you miss the bit of it being in my own home and the risk only being mine. Or as its not correct practise just wanted to point and say your wrong?
     
  19. Nk1

    Nk1 Well-Known Member

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    So no chance you can use na??
     
  20. merit

    merit Well-Known Member

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    Yeah NA goes over everything mate....Eeeeeeverything
     

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