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Subject Author Date
Shower Grout Problem Ross Payne 03-25-2007
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Posted by Ross Payne on March 25, 2007, 2:10 pm


I regrouted the floor of my shower, and I think there's a problem. The grout
turns gray when wet, then white again when it dries (the old grout on the
walls doesn't change color when wet). I used an unsanded white grout
(Mapei), and sealed it too. Any ideas? Thanks.

--
Ross Payne



AppliancePartsPros.com, Inc.
Posted by Al Bundy on March 25, 2007, 10:52 pm



> I regrouted the floor of my shower, and I think there's a problem. The
> grout turns gray when wet, then white again when it dries (the old
> grout on the walls doesn't change color when wet). I used an unsanded
> white grout (Mapei), and sealed it too. Any ideas? Thanks.
>

Not a tile wiz but had the same issue once. If it's changing color it's
getting wet. It's not being sealed. Try a different sealer.

Floor grout should be sanded grout BTW.

Posted by Ross Payne on March 26, 2007, 8:17 pm


Thanks, Al. I did not know that the grout on the shower floor needed to be
the sanded variety. Everything I read always said to use unsanded grout for
the shower. Do you think it is worth the effort to regrout the floor for
that reason?

Ross
>
>> I regrouted the floor of my shower, and I think there's a problem. The
>> grout turns gray when wet, then white again when it dries (the old
>> grout on the walls doesn't change color when wet). I used an unsanded
>> white grout (Mapei), and sealed it too. Any ideas? Thanks.
>>
>
> Not a tile wiz but had the same issue once. If it's changing color it's
> getting wet. It's not being sealed. Try a different sealer.
>
> Floor grout should be sanded grout BTW.



Posted by Al Bundy on March 26, 2007, 8:31 pm



> Thanks, Al. I did not know that the grout on the shower floor needed
> to be the sanded variety. Everything I read always said to use
> unsanded grout for the shower. Do you think it is worth the effort to
> regrout the floor for that reason?
>
> Ross
>>
>>> I regrouted the floor of my shower, and I think there's a problem.
>>> The grout turns gray when wet, then white again when it dries (the
>>> old grout on the walls doesn't change color when wet). I used an
>>> unsanded white grout (Mapei), and sealed it too. Any ideas? Thanks.
>>>
>>
>> Not a tile wiz but had the same issue once. If it's changing color
>> it's getting wet. It's not being sealed. Try a different sealer.
>>
>> Floor grout should be sanded grout BTW.
>
>


As mentioned, not a tile wiz. Just an isolated experience here and there.

> Everything I read always said to use
> unsanded grout for the shower.

Go with what you read if you feel it's a reliable source. Possibly what I
heard/read was only in regard to non-shower stall tile floors.

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