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DIY Concrete Densifier


    • DIY Concrete Densifier

    Whipped up a batch of sodium silicate and attempted to densify and polish a slab of concrete. I also tested it for stain resistance.

    To make a sodium silicate solution :

    – Dissolve 8 grams NaOH (Lye) in 10 ml H2O
    – Dissolve 6 grams Silica Gel in NaOH solution with heat
    – Once dissolved, dilute to use. I did a 1 in 4 dilution but that might not be optimum. Good luck!

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    Last update 2020-09-20. Price and product availability may change.