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  • 1 Post By slikt
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Discuss Repair old SLC or not? in the Tiling Forum at TilersForums; Guys, I've just taken up old vinyl tiles in my kitchen and 40% have taken the old SLC up with leaving areas down to the concrete, i'm laying insulation boards ...
          
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    Healthy TilersForums Contributor slikt's Avatar
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    Default Repair old SLC or not?

    Guys,

    I've just taken up old vinyl tiles in my kitchen and 40% have taken the old SLC up with leaving areas down to the concrete, i'm laying insulation boards over it using 'Mapei Proflex' my question is, should i skim over the patches first (only 1-2mm deep) with some adhesive and let it dry or just lay a nice base coat of adhesive and lay the boards? Cheers

    Pic attached
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    Default Re: Repair old SLC or not?

    Anyone??

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    Default Re: Repair old SLC or not?

    Why dont you just put down some more SLC?

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    Default Re: Repair old SLC or not?

    As its only 1-2mm and thought it should be 3mm min?

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    Default Re: Repair old SLC or not?

    hi, i would slc first then lay the boards, bal solid base....2mm to 12mm and tile after four hours.
    andy-allen-tiling
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    slikt (07-11-2011)

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    Default Re: Repair old SLC or not?

    What is the floor made of? It is hard to tell from the pics.

    As long as the floor is prepped correctly I would SLC as above. You dont want any voids under the boards.
    AMEY TILING - Ceramic, porcelain, mosaic and natural stone tiling

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    Default Re: Repair old SLC or not?

    Quote Originally Posted by Rich View Post
    What is the floor made of? It is hard to tell from the pics.

    As long as the floor is prepped correctly I would SLC as above. You don't want any voids under the boards.
    Its a concrete sub floor with a SLC screed. The areas of damage is where i've lifted the old vinyl tiles off.

    Had someone on my other post tell me to use the adhesive to act as a filler, so I've gone with running a thin coat of Mapei ProFlex adhesive over the top as i'm using this to adhere the boards in the morning. Maybe not by the book, but i'm 99% sure this will be ok (I hope) lol ???

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    Default Re: Repair old SLC or not?

    No that should be fine
    AMEY TILING - Ceramic, porcelain, mosaic and natural stone tiling

    Richard Amey - 07817 904 897 Email - Ameytiling@Hotmail.co.uk

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    Default Re: Repair old SLC or not?

    Give the floor a prime first just in case of any dusty surface...
    "Experience is simply the name we give our mistakes"

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    Default Re: Repair old SLC or not?

    Quote Originally Posted by Rich View Post
    No that should be fine
    Cheers Rich and glad you said that as i've already done it. . lol
    Rich likes this.

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    Default Re: Repair old SLC or not?

    Quote Originally Posted by whitebeam View Post
    Give the floor a prime first just in case of any dusty surface...
    Hi Whitebeam

    I primed it with 2 coats of BAL Bond SBR 1:2 ratio, should I prime the new adhesive i've used as filler before applying more to stick the boards? Cheers

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    Default Re: Repair old SLC or not?

    As long as what's left (slc) is stuck firmly.. then stick the boards over the top... use a slightly deeper trowel to over come the unevenness..

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    Default Re: Repair old SLC or not?

    Quote Originally Posted by Dave View Post
    As long as what's left (slc) is stuck firmly.. then stick the boards over the top... use a slightly deeper trowel to over come the unevenness..
    Cheers Dave

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