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F/U question

Posted by Bruce M on February 17th, 1998 10:08 PM
In reply to Cracking grout by JT on February 17th, 1998 05:51 PM [Go to top of thread]

That the span-joists are deflecting up to (or less than) 1" really wouldn't explain the grout cracking, though.....would it? It almost seems that the span-joists are moving independently causing tortion on the floor. If so, shouldn't cross bracing help limit this? Also, could it be that the 3/4" plywood was not securely fastened (with construction adhesive and screws) to the joists, allowing it to move as the joists deflected down?

Interesting problem

Bruce M

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