gfrc slurry

This topic contains 1 reply, has 2 voices, and was last updated by  powersprays 4 years, 4 months ago.

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  • #1299

    bergvw8
    Participant

    I am new to GFRC and did my first run of a few panels and a countertop…

    Is it bad to leave in the mold for more than a day?

    Also, anyone have any recommendations for a slurry to fill a few imperfections?

    Thanks for the help!

    #1303

    powersprays
    Participant

    It is normal practice to demould after a day and then moist-cure the product afterwards, however it won’t be a big problem to leave the GFRC in the mould a little longer. Many manufacturers will have no choice but to leave the product in the mould over the weekend, for example.

    To repair imperfections, the easiest way to get a similar finish is to use the same mix design minus the fibres, with less water to make it stiffer, and preferably add some acrylic polymer (more than you would use in a normal mix) to help it stick.

    Hope this helps,

    Richard

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