How to Mold Concrete Blocks eHow
Make your basic concrete block molds out of 2 X 4s to allow for strength in the mold and the ability to take the mold apart and reassemble many times over. When you mold concrete blocks for any project you will need many blocks and at least a day for each block sitting in a mold. If for instance you need to lay 300 concrete bricks then you will ...
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