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Polished concrete tables.

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  • Mike D
    replied
    Re: Polished concrete tables.

    Sorry, I am talking about a slurry to fill the small holes that come out from sanding.
    I found out that the local tool lending library has a concrete vibrator.

    Mike

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  • Tscarborough
    replied
    Re: Polished concrete tables.

    An orbital sander makes a good form vibrator. By slurry are talking about a slurry to coat the forms?

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  • Mike D
    replied
    Re: Polished concrete tables.

    I did a test piece, came out ok. I think I will use a vibrator when I do the pour around the oven. Does any one have a good slurry mix? I am trying to test this process out as far as it will go.

    Mike

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  • Mike D
    replied
    Re: Polished concrete tables.

    So maybe more like do one with .25# and another with .75#. I don't think I want it really dark. How does that sound?

    Mike

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  • Tscarborough
    replied
    Re: Polished concrete tables.

    That will give you a range. The general rule is no more than 10% color by weight of the cement in the mix, so to break that into 80# bags, it is 6x94#=564 of cement per yard/42=13.42# of cement per sack, so no more than 1.34# of color per sack, so your real range is 0-1.34# per sack.
    Last edited by Tscarborough; 06-10-2011, 01:14 PM.

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  • Mike D
    replied
    Re: Polished concrete tables.

    -GianniFocaccia- I have seen that stuff, but what I have read is the sakcrete has a better aggregate. So that is what I'm going with (as well as I have all the stuff already).

    Tscarborough- Thanks that is what I wanted, some sort of barometer to make a couple of test pieces. If I make mix one bag with .25# (1/4#)of Iron Oxide and another with .125# (1/8th#), should that give me an idea what the range of gray would be like?

    Thanks for the help guys
    Mike

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  • Tscarborough
    replied
    Re: Polished concrete tables.

    42x80# sack=1 cuyd, so your range will be 10/42=.23# per sack to 12.5/42=29# per sack of color.

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  • GianniFocaccia
    replied
    Re: Polished concrete tables.

    Mike,

    Sorry - I haven't kept up on this thread, but have you heard of the Quikcrete Countertop Mix?
    John

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  • Mike D
    replied
    Re: Polished concrete tables.

    I was planning on using sakcrete 5000 bags (80lb).
    Following Nic's
    2 80lb sacs of Sakcrete 5000+
    8 oz counterflow
    12 to 14 quarts warm water
    dry color to taste, always use iron oxide based colors not carbon based.

    And the Cheng style of method.

    Mike

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  • Tscarborough
    replied
    Re: Polished concrete tables.

    As a rule, most iron oxides will use 2-2-1/2 # per bag of portland per yard. It can vary widely though, so you have to test it.

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  • Mike D
    replied
    Re: Polished concrete tables.

    So I got my supplies, and I was going to try and pour a couple of test pieces for the color. I don't have any reference of where to start from.

    -How much Iron Oxide would you typicaly use per bag (roughly)?

    I was going to do 2 one bag tests to get an idea what the coloring would do. I will use a wheelbarrow to see how easy it is (if it works that way).

    Mike

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  • Mike D
    replied
    Re: Polished concrete tables.

    Thanks for the help Nic and splatgirl.

    Mike

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  • Nic The Landscaper
    replied
    Re: Polished concrete tables.

    It's a powder, and you found the right stuff at fishstone

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  • splatgirl
    replied
    Re: Polished concrete tables.

    Powder. At least the jar I've had around for a few years.
    Products: Counter-Flo - Fritz-Pak Concrete Additives, Dallas, Texas

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  • Mike D
    replied
    Re: Polished concrete tables.

    Nic- (or anyone else)

    Is counter-flow a dry powder or a liquid. I looked it up at Fishstone, is that the stuff?

    Mike

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