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    charliec's Avatar
    charliec Posts: 61, Reputation: 6
    Junior Member
     
    #1

    Feb 23, 2008, 08:54 PM
    Cleaning painted concrete floor
    Hello , I need to clean a very stained and dirty concrete floor before some workmen paint it.
    Any suggestions on what cleaning materials to use.
    Thanks.
    Charlie.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #2

    Feb 24, 2008, 03:18 PM
    You don't tell us much at all about the stains so all I can say is what you need is on this page. Concrete cleaning products to be used before painting or staining a concrete surface by Seal-Krete.
    Fr_Chuck's Avatar
    Fr_Chuck Posts: 81,301, Reputation: 7692
    Expert
     
    #3

    Feb 24, 2008, 04:03 PM
    There are some very good degressers, and then coming back with some form of acid to help etch into the concrete, But with that said many oil stains will not come out after it is soaked into the concrete only lighten
    charliec's Avatar
    charliec Posts: 61, Reputation: 6
    Junior Member
     
    #4

    Feb 24, 2008, 04:57 PM
    Thanks guys , the floor had already been painted and the stanls look like rust and what I can only call 'grime'.
    Thanks for your help.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #5

    Feb 24, 2008, 09:25 PM
    For rust use Whink. Find Whink Rust Stain Remover, 6 oz and other Chemicals & Cleaners at Aubuchon Hardware

    I think its an acid that eats the rust but you still need to etch the surface so keep my first link for future reference.

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