Quote:
Originally Posted by CFrance
If those are concrete blocks, why is there a seam running straight from top to bottom? We have the exact same wall in TG separating us from the CYVs behind us, and you can see right through that seam. I always assumed they were panels.
Lovely backyard, John.
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That is a control joint (similar to the saw cut joint in a floor slab) to control minor cracking from settlement and expansion/contraction.It is cut with a saw after the wall is up.