Posted Jan 17, 2017, 4:52 AM
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Mortaaaaaaaaar!
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Join Date: Aug 2007
Location: Naugatuck, CT/Worcester,MA
Posts: 3,509
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Well put LVDW. Just making sure that the existing concrete is wet will help the fresh concrete stick to it properly. If it's too dry, the joint won't be wetted properly, and the older concrete can even suck out water from the fresh concrete, preventing the concrete at the joint from curing properly.
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