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There aren’t many reasons to have only a 1-inch thick concrete surface. It is too thin to use as a flooring just by itself; however if you need to resurface damaged concrete, a 1-inch layer is a good amount. The old surface is prepared so that the new concrete will adhere, then the new cement is added.Click to see full answer. Likewise, what is the thinnest concrete can be poured?The minimum recommended thickness is 1 to 2 in. (25 to 50 mm) for a fully bonded concrete overlay placed on a base slab that is practically free of cracks and in which the concrete is sound, clean, and of good quality.Beside above, can you add a thin layer of concrete? Coat the inside edges of the forms with vegetable oil (so the forms will strip off the newly poured concrete once it has hardened). Step 4: Apply a thin layer of bonding adhesive over the entire surface. Step 5: Mix concrete using sand-mix concrete. Make the mixture slightly stiffer (drier) than normal concrete. Also question is, how thin can you mix concrete? There aren’t many reasons to have only a 1-inch thick concrete surface. It is too thin to use as a flooring just by itself; however if you need to resurface damaged concrete, a 1-inch layer is a good amount. The old surface is prepared so that the new concrete will adhere, then the new cement is added.How do you attach old concrete to new concrete? Drill 5/8-inch diameter holes six inches deep into the old concrete. Flush the holes with water. Inject epoxy into the backs of the holes. Insert 12-inch lengths of rebar into the holes, twisting them to ensure an even coating of epoxy around their circumferences and along their lengths within the holes.

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