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First I would recommend leaving some type of small crack1/4" on either side of the overhang to promote some type of air flow to prevent mold. Second I would build at the front of the overhang a solid wall using either lintels or your block keeping the wall back far enough to make the impression of the pavers going completely underneath. I would take the wall up high enough that you can glue your paver to the top and leave a 3/8-1/2" gap for expansion due to the freeze cycle. Make sure to interlock your lintels and glue, and fill. Biggest precaution would be to make sure when you are installing your base that you do not push the lintels or block. We have used a pave edge on the backside to keep the block in place even with a full course buried. Hope this is what you are asking?
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Matt
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