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Stained tiles - possible to rectify? MiamiCuse 10-24-2006
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Posted by on October 24, 2006, 5:16 pm



MiamiCuse wrote:
> A friend of mine had brand new tiles installed in his living room,
> dinning room and hallways, all 2200 SF of it.
>
> After the installation was done he thought he needed to clean the tiles
> and someone (a fellow from work) told him he can buy some thinner and
> slightly dilute it and mop the floor it will give the new floor a nice
> shine.
>
> He did that.
>
> I don't know what kind of tiles he has. He is not sure either. I
> suspect it is either ceramic or porcelain tiles, it seems to be glazed.
> I have a picture of the back of the tiles and it is textured and
> looking at the edge the entire tile seem to be white all the way
> through the thickness of it so I bet it is porcelain tiles. The back
> says "R.A.K." never heard of this brand myself. Here is a pic of the
> back of the tile:
>
> http://img.villagephotos.com/p/2005-10/1090906/back.jpg
>
> Now onto the problem, after he mopped the floor with diluted thinner,
> the tiles started to show some stains that looked like "shadows" under
> the light. See this image:
>
> http://img.villagephotos.com/p/2005-10/1090906/stained.jpg
>
> see the dark shadow in the middle? That is not a shadow but a stain.
> I think it looks like the glaze is partially gone? Will that cause the
> tiles to look this way?
>
> Is there a way to rectify this? They have tried everything to no
> avail.
>
> Can they wax the entire floor? or can they do something to unglaze the
> entire floor to give it a uniform look?
>
> Any idea appreciated.
>
> Thanks in advance,
>
> MC

That does not look like glazed tile. You can't really stain glazed
tile. That looks like a porous tile. It is stained forever, as someone
else said. Porous tiles must be sealed with a penetrating sealer made
for the type of tile being sealed. It is then cleaned with a mild
cleaning solution (like soapy water). It's no wonder it stained putting
something nasty like paint thinner on it. Unfortunately, porous tile
must be sealed right away, or it WILL eventually get stained and need
to be replaced.

BRW


Posted by dadiOH on October 24, 2006, 5:24 pm


MiamiCuse wrote:
> A friend of mine had brand new tiles installed in his living room,
> dinning room and hallways, all 2200 SF of it.
>
> After the installation was done he thought he needed to clean the
> tiles and someone (a fellow from work) told him he can buy some
> thinner and slightly dilute it and mop the floor it will give the
> new floor a nice shine.
>
> He did that.
>
> I don't know what kind of tiles he has. He is not sure either. I
> suspect it is either ceramic or porcelain tiles, it seems to be
> glazed. I have a picture of the back of the tiles and it is
> textured and looking at the edge the entire tile seem to be white
> all the way through the thickness of it so I bet it is porcelain
> tiles. The back says "R.A.K." never heard of this brand myself.
> Here is a pic of the back of the tile:
>
> http://img.villagephotos.com/p/2005-10/1090906/back.jpg
>
> Now onto the problem, after he mopped the floor with diluted
> thinner, the tiles started to show some stains that looked like
> "shadows" under the light. See this image:
>
> http://img.villagephotos.com/p/2005-10/1090906/stained.jpg
>
> see the dark shadow in the middle? That is not a shadow but a
> stain. I think it looks like the glaze is partially gone? Will
> that cause the tiles to look this way?
>
> Is there a way to rectify this?

Wait. It looks to me as if the thinner has soaked down through the
grout and thence up into the tile via the porous back. If that is the
case, the thinner will eventually evaporate and the tile should be
good as new.


--

dadiOH
____________________________

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LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico




Posted by Bob S. on October 24, 2006, 5:46 pm



dadiOH wrote:

> > see the dark shadow in the middle? That is not a shadow but a
> > stain. I think it looks like the glaze is partially gone? Will
> > that cause the tiles to look this way?
> >
> > Is there a way to rectify this?
>
> Wait. It looks to me as if the thinner has soaked down through the
> grout and thence up into the tile via the porous back. If that is the
> case, the thinner will eventually evaporate and the tile should be
> good as new.
>
>
I agree. I think I'd try a hair dryer on med heat on it for an hour or
two. But then the thinner may have liquified the tile adhesive and
soaked it into the tile. If so, it's shot.

Bob S.


Posted by Norminn on October 24, 2006, 9:24 pm


Bob S. wrote:
> dadiOH wrote:
>
>
>>>see the dark shadow in the middle? That is not a shadow but a
>>>stain. I think it looks like the glaze is partially gone? Will
>>>that cause the tiles to look this way?
>>>
>>>Is there a way to rectify this?
>>
>>Wait. It looks to me as if the thinner has soaked down through the
>>grout and thence up into the tile via the porous back. If that is the
>>case, the thinner will eventually evaporate and the tile should be
>>good as new.
>>
>>
>
> I agree. I think I'd try a hair dryer on med heat on it for an hour or
> two. But then the thinner may have liquified the tile adhesive and
> soaked it into the tile. If so, it's shot.
>
> Bob S.
>
Wouldn't it set again if the fumes evaporate? If it absorbed into the
tile body first, perhaps it didn't get to adhesive very much.

Posted by Norminn on October 24, 2006, 5:37 pm


MiamiCuse wrote:
> A friend of mine had brand new tiles installed in his living room,
> dinning room and hallways, all 2200 SF of it.

Silly question, but are the tiles grouted? Judging from the pattern of
the darkened area, it appears the solvent might have soaked into the
body of the tile, absorbed until it reaches the "back" of the glaze.
Kind of like water getting spilled on a wood table that has a glass top
on it. I can't imagine mineral spirits doing permanent damage to a
fired tile, but I haven't seen everything. It might dry out with no
permanent effect. I'd be very cautious about trying to "fix" it. Went
googling and found this:

http://www.rakceramics.com/

(Don't use your real name .. uncle is watching :o)

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