We are re-doing our bathroom and just got done removing all the tiles.
The contractor was supposed to replace the floor with duroc and then
install tile on top of that (pretty think porcelain tile).
When all the tiles we removed, we were left with the plywood and a
layer of what looked like dry glue (about 1/8" thickness). The
contractor wants to install a duroc sheet above this without cleaning
out the glue layer. Is that OK? This will end up raising the floor
about 3/4" and the bottom of the door may have to be cut a little bit.
Is that OK? Do you see any problems?
If the stool and vanity are out of the bathroom, and the existing subfloor
is not clean and level, It Shouldn't Be That Big A Deal to cut out and
replace the plywood. That is what Sawzalls and blocking were invented for.
You want the floor under ceramic to be as flat and stiff as possible. Even
duroc flexes a little- if there is an air pocket under it where the glue was
uneven, what happens when a 220 pound guest steps there?
Even if it costs a few more bucks and takes an extra day, you don't wanna
redo this in five years due to popped/cracked tiles. Tell the contractor to
do it the right way.
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