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Unread 07-27-2021, 09:55 AM   #10
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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First, determine what you have for subflooring. The subflooring is usually more critical than the joist structure when it comes to a ceramic tile installation.

If your house was built within a code compliance jurisdiction at the time of construction, it's fairly safe to assume the joist structure met code when built. That technically satisfies the tile industry requirements. Our Deflectometer is more conservative than residential building code, partly because our visitors are nearly always dealing with old, used structures, rather than new construction. Your structure might be fine, but I can't tell that from over here.

My opinion; worth price charged.
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