How to Add Concrete to Existing Concrete (with Pictures ...
2021-10-17u2002·u2002To lay new concrete, sweep and clean the old concrete, and saturate the old concrete with water. Then, build a perimeter, or a wood brace, that is the same height as you want the concrete to be. Make sure the braces are level, and lay down a barrier of wire mesh over the existing concrete inside of the barrier.
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