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frost wall

  1. Masonry
    I'm a professional but not in the concrete business. I do need some advice please. I have a 24x24 garage that I need to put a 32 to 36 inch frost wall on one side asap. The garage slab is floating with no footing at 4 inch thick. Im unsure if the slab can hold 4 course of block or a poured wall...