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Unread 08-19-2005, 09:25 AM   #1
felice
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Marble tile looks wet in the joints

We had just started to use our newly renovated bathroom. Now the 12x12 White thassos marble seems to be wet in the joints in our shower. It is not the wall with the pumbling. The contrator sealed it with a product from our marble tile store. The joints are 1/18" and grouted with spectra lock. I am not sure who is resposable for this issue. Another interesting aspect now is the tile seems to be shifting out and not laying flat. I realize that marble is pouris but this seems not normal. Any advise???
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Unread 08-19-2005, 11:25 AM   #2
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A polished marble, as a rule is not porous. There are some exceptions. If your tile is honed, it might accept water. Are the joints discolored? What was used as a setting medium(glue)? Are you saying that the tiles were all even and some are now starting to make lips?

A picture would be really helpful.
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Unread 08-19-2005, 05:32 PM   #3
doitright
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Hi Felice, Welcome!

White Thassos is a very sensitive marble. It has a large crystal structure, that does allow staining if not sealed.

Like Adriana, I'm a little confused by your post. A picture would be great and/or a more detailed description explaining issues or concerns at hand.

Did the contractor use thinset or mastic to install the marble?
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Unread 08-19-2005, 06:10 PM   #4
felice
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Picture on the way

Thanks for your replys. I will try to get a picture posted. I am not sure what was used thinset or the other product mentioned. I do know it was white. A few tiles are now "lipping" or not flat anymore. Also I now noticed a hairline crack in one of the tiles now.

The finish is honed. I guess I am not sure if the tile is to blame or the way it was installed or sealed?

One more note:
my contractor was probally not the right choice for our project we have had many many problems. I do know that the grout was not mixed correctly, because we have some parts left and it calls for all three parts to be totally used. Do you think that could have caused this problem?

Again I will try to get a picture posted soon
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Unread 08-19-2005, 06:16 PM   #5
doitright
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Hi Felice

Yes, improperly mixed epoxy grout sure can be a problem. If it was just some of the filler left out (because of the tight joints), no biggie. If parts a & b weren't totally used in proportion, it could have affected the stone.

Let's see those pictures!
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Unread 08-19-2005, 07:07 PM   #6
felice
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pictures

Here are the photos.
Look closely at the outside of some of the tile for the "bleeding".
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Unread 08-19-2005, 07:09 PM   #7
opiethetileman
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Sniff sniff I smell mastic.
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Unread 08-19-2005, 07:17 PM   #8
Davy
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Hi felice, it's important we know what was used to bond the marble to the walls. Mastic is premixed and comes in a 3 1/2 gallon bucket. Thinset comes as a powder in a bag and is mixed on the job with water or an additive. Does this help you remember what might have been used?
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Unread 08-19-2005, 07:22 PM   #9
doitright
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Hi Felice

This is not good.

How long was it from the time of install to the time you started using the shower?

As much as I know it happens, I just can't beleive someone would use mastic to install marble in a shower.

Please try to find out what product the contractor used to adhere the stone with. Do you remember him dipping his trowel into a bucket, then putting the lid back on?
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Unread 08-19-2005, 08:12 PM   #10
felice
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Laticrete Multi Mastic Adhesive was used on the floor

1. We did not use the shower for a month after the tile was installed we were waiting on our custom shower enclosure and for the contractor to finish the project.

2. This was a very long project. I am really not sure if the same mastic product was used in the shower we had radiant heat installed on the bathroom floor and that took a while for the contractor to install the floor tile. The shower was done a week and half before the floor was even started. They needed more grout and my guess thinset material to start and finish the floor so they added this product Laticrete Multi Mastic Adhesive to my bill when they picked up the grout from my marble store. My guess they used a simular product they bought at home depot for the shower adhesive.


What can we do now???
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Unread 08-19-2005, 08:39 PM   #11
doitright
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Hi Felice

Point blank - Live with it until it breaks down, or tear it out. There is no fix.

Sorry.
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Unread 08-19-2005, 08:44 PM   #12
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Sometimes you can pull one of the escutchens back away from the tiled wall and see some adhesive. You might try that.
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Unread 08-19-2005, 11:37 PM   #13
Tool Guy - Kg
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Good call on pulling the shower escutchen plate off to verify.
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Unread 08-20-2005, 05:47 AM   #14
doitright
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Hi All

The photo's verify the thassos is stained. Doesn't matter what caused it. There is no fix. That's my story & I'm sticking to it. For Felice's sake, please prove me wrong.

Removing the escutheon will help show bonding product & is a great idea to do regardless. Good call Davy.
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Unread 08-20-2005, 08:47 AM   #15
scott anthony
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Should this marble be sealed back side prior to install?
If mastic was used there must be a way getting some settlement. "Mastic" I just find that hard to believe. Well then again I should know better, I read about them almost every day it seems.
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