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Thin screed of Sand-Cement

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  • 30-06-2011 7:52am
    #1
    Fordpefect
    Registered Users Posts: 36 ✭


    I have a very uneven Concrete Driveway, and need to level before i get a contractor to apply Resin Bonded aggregate,
    It needs filling out from 3mm-12mm,I have no problem with the screeding, but it is very light and my concern is about it adhering to the original concrete.
    My intention is to lay a mix of 3-1 sand and cement with ronafix added,
    does anyone know of a better product for this job.
    thanks:)


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    #2
    goat2
    Registered Users Posts: 4,939 ✭✭✭goat2


    Fordpefect wrote: »
    I have a very uneven Concrete Driveway, and need to level before i get a contractor to apply Resin Bonded aggregate,
    It needs filling out from 3mm-12mm,I have no problem with the screeding, but it is very light and my concern is about it adhering to the original concrete.
    My intention is to lay a mix of 3-1 sand and cement with ronafix added,
    does anyone know of a better product for this job.
    thanks:)
    i am interested in this also, as i need to fix up a patio a bit, with a thin layer, anyone help us, advice


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    #3
    Sonnenblumen
    Registered Users Posts: 5,834 ✭✭✭Sonnenblumen


    Fordpefect wrote: »
    I have a very uneven Concrete Driveway, and need to level before i get a contractor to apply Resin Bonded aggregate,
    It needs filling out from 3mm-12mm,I have no problem with the screeding, but it is very light and my concern is about it adhering to the original concrete.
    My intention is to lay a mix of 3-1 sand and cement with ronafix added,
    does anyone know of a better product for this job.
    thanks:)

    Why would you want to do the screed and not the contractor? If there is ever a performance/warranty problem, this would impact and a very blurred line in terms of liability?

    I would think you're stuck between a rock and a very hard place. Resin bonded surfaces do require a stable and level base, 3mm variance isn't much to make up but 12mm would be. I would doubt very much even with a (1:1 mix) you could expect such a thin screed to remain stable even as a sub base in a Driveway.

    What did the contractor suggest? If I were on you, I would shift the liability onto the installer to complete all aspects of the installation, otherwise if there is any cracking, liability and responsibility would be very clear.


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