Latest Discussions : Miscellaneous

sea4rover

04:38PM | 05/29/07
Member Since: 05/24/07
3 lifetime posts
After removing the bathroom tile floor and plywood underlayment, I replaced some damaged diagonal 1 X 6" boards with a section of 3/4" plywood. The problem is the 3/4" ply butts up slightly lower, 1/16" to 1/8", than the remaining 1 X 6" flooring. My question:

Is troweling thin set mortar or cement the best way to level the plywood to the diagonal 1 X 6" flooring? OR will the cement/thinset mortar weaken the plywood over time, requiring a different approach?

fugazi48

07:26AM | 05/30/07
Member Since: 03/08/06
192 lifetime posts
If you are puting down tile, you will probably need another layer of plywood and possibly backerboard(my preference)

Go to http://www.johnbridge.com/vbulletin/deflecto.pl and calculate your deflection. You may have to play with the floor thickness to get a desirable number. You can get away with thinset between your new floor and the overlayment to prevent movement.


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