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Unread 03-03-2021, 04:05 PM   #13
ZoeJR
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Join Date: Mar 2021
Location: Portland, OR
Posts: 7
Ha, well that is all very good to know. We were very careful about the plywood install avoiding exactly what you describe - we made sure not to place the plywood joints over any of the tongue and groove joints.

And it looks like we are good on the deflection, too. I just went back through some old photos etc. to figure out my ACTUAL joist length rather than arbitrarily guesstimating them at 10 feet (what a concept, right?) and it looks like our deflection is actually somewhere more like L/842 or L/986, depending on whether its 6.5 or 7 feet length (one side of the room is slightly longer).

Thanks again for your advice! Very grateful to have found this place.
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