Has anyone heard of this? My brother in law just had his kitchen
remodeled and the contractor that installed the porcelain tile floor
actually mixed the sealer into the grout then applied the grout. I'm
going to be grouting my kitchen floor this weekend and just wanted to
pick some brains first!
In the old days prior to 1990 or so, when grouts were
not polymer modified yet, we would mix liquid polymer
admixes into the grout as a substitute for water. This
would make the grout more stain resistant and make
the color more consistent, but it doesn't truly seal it.
Possibly his contractor mixed polymer modified powder
with additional liquid admix, which is wrong and shouldn't
Don't give in to some kind of experiment. A bad
grout job will ruin everything.
The conventional way is to just use ordinary polymer
modified grout (as all grouts come these days)
mix it with clean water, and seal it with good sealer
after 3 days of curing.
The tile store where I bought porcelain tiles for my bathroom a few
weeks ago sold me a quart of admix to put in the sanded grout mix
instead of water to keep it from cracking. And a pint of sealer to use
3 or 4 days after grouting. I don't remember what brand.
I think I need to read the directions on the grout bag carefully; maybe
I can return the admix when I take the extra box of tiles back...
I'll bet the bag of grout says to mix it with clean water.
Often polymer modified thinsets and grouts will
specifically say NOT to add latex admix.
Doesn't surprise me a store clerk has no clue.
replying to thetiler, Cindy wrote:
Oh my god!! The guy that did our tile just made this mistake!!! It is dry and
cracking in places!! We did our kitchen and hall and bathroom, even don a tile
shower and up half the wall!!! Is there any way to fix this without just digging
it out and starting over??? Please help!!
Yeah. It's like the stuff they put in concrete so you don't need wire or
rebar reinforcement in the slab. In other words, a phony shortcut for the
contractor with a make-believe story for the homeowner.
Did you also fall for the self-tuning piano at the music shop?
replying to deand, Cindy wrote:
The person that just did our tile just made this mistake!!! The grout is dry and
cracking up in places, we did our kitchen floor and hall and bathroom, even made
a tile shower!!! Is there any way to fix this without just having to dig all the
grout out and start over!!!
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