I have a ceramic floor which I installed directly on the plywood
subfloor about 15 years ago. While the tiles are fine, in the last
couple of years the grout tends to crack and needs to be replaced every
couple of months. Now, I know that there is material that you can put
down prior to laying the floor, but what I would like to know is if
there is any new types of grout that would flex and not crack? Any
ideas would be greatly appreciated.
Take out the trash to reply
i suppose you could use silicone, but it would look weird.
grouts don't flex. they're cement. if the subfloor isn't good enough, it's
best to tear it up and redo it to make it stiffer. perhaps if you have
access to the underside of the floor, you can make it better from that side
instead of tearing up the tiles.
This is a perfect example of why (in most cases) plywood should not be
used for a susstrate. You're lucky you got 15 years fo service.
Flexible grout that will substitute for a sub-floor with little or
Make your SO happy and install new tile. Over a properly constructed
subfloor and substrate that is.
It was popular here for a brief while to caulk shower stalls with
silicone rather than grout. You will be good with a caulk gun by the
time you're finished or wish that you were. Do not use any of the
"hardware store" silicones. Seek out Dow 795 or equal.
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