"Al Kondo" wrote in message
...
I am going to put 4" x 4" ceramic wall tile in my kitchen. Currently
there is 3/8" plywood underneath the current covering (I don't know
what you call it, but it is 1/4" glossy cover with fake 4" patterns so
that it looks like tile). I was thinking of removing the covering and
then possibly putting tile over the plywood. Alternatively, I could
put cement backerboard over the plywood. Should I go the backerboard
route, or, is it possible to tile over the plywood directly??

Thanks, Al Kondo

That is not an approved installation method. BUT,

Using mastic instead of thinset in a dry wall area like a kitchen I doubt
you will ever have any problems. Just make sure the plywood is stable, dry
and well secured to the studs before you start. Keep your grout on the dry
side (which makes stronger grout anyhow) and you should be fine.

For sure if you add the 1/4" backerboard you will be fine. The backer board
does not care what the underlying layer is.

Colbyt