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Unread 10-08-2010, 09:00 PM   #3
cx
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Join Date: Jul 2001
Location: Boerne, Texas
Posts: 95,708
Welcome back, Jason.

I'm kinda curious why you could have a floor with "sways" in it and a corner a full inch low after a carpenter sistered the joists and installed new subflooring. Just doesn't compute for moi.

If by "concrete" you actually mean a SLC product, you should be able to prime and add another layer after a week with no problem. But it might be helpful if you'd identify the product you're using so we can be sure.

When your carpenter installed the CBU over the new subflooring, did he put a layer of thinset mortar under the CBU panels? How 'bout when you installed the second layer of CBU over the first?

My opinion; worth price charged.
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