In our area, the standard for the solid blocks is 4x8x16, the 3x6x14 are not available. Ask the local building supply about solid cinder/concrete blocks, they will direct you to what is available.
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In our area, the standard for the solid blocks is 4x8x16, the 3x6x14 are not available. Ask the local building supply about solid cinder/concrete blocks, they will direct you to what is available.