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Old 03-13-2017, 02:26 PM   #1
yachtwoman
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Stains on newly installed pebble mosaic shower floor--what can I do?

Just had a shower floor installed a couple months ago and began noticing these discolorations or stains. They appear to be increasing in size. Have tried to scrub with stone cleaner and still no effect. My tile guy did not seal it and I did not know that it needed sealing. What can I do to clean it so I can seal the entire floor to look new again?

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Old 03-13-2017, 02:33 PM   #2
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Welcome, Deb.

I'm guessing that's the shower floor we're looking at on the vertical?

How 'bout you tell the folks how the shower receptor was constructed and very specifically what the tile material is as well as the bonding mortar and the grout used. They'll be much better able to help you that way.

A geographic location in your User profile is often helpful, too, and whether you're on a municipal water system or individual well water.

I'll delete your duplicate thread.
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Old 03-13-2017, 02:56 PM   #3
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Like Cx said, I wonder what kind of water containment system is under the tiles and if it had proper pitch to the drain. I also wonder if the water drains well in the stained area or if it puddles there.
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Old 03-13-2017, 03:15 PM   #4
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Stains on newly installed natural pebble mosaic shower floor--what can I do?

I live in South Florida and just had this shower built and floor installed a couple months ago and began noticing these discolorations or stains. They appear to be increasing in size. I have tried to scrub with stone cleaner and tried a vinegar and water solution with no effect. I have not used the shower for weeks and even put a fan in the shower for days thinking it may need to dry out, but that did nothing. The pitch of the shower is fine, I never have water pooling on the tile. My tile guy did not seal it and I did not know that it needed sealing. I'm on city water without any filtering from my residence.

I don't know what type of grout was used but the rest of the floor does not show any signs of this discoloration. The tile is called Sumatra natural cut mosaic stone on a 12" x 12" mesh purchased at Floor & Decor and was set over thin set. I'm going to try a product called Concrobium that kills mold and mildew, thinking this may work. Any other ideas of what to do to clean it so I can seal the entire floor so it can look new again?

Not sure if I know anything more about the situation that above. HELP!

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Old 03-13-2017, 04:02 PM   #5
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Deb,

Do you have any 'during construction' pictures ?
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Old 03-13-2017, 05:29 PM   #6
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Construction shots

Here is what I have. Thanks for your interest.

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Old 03-13-2017, 05:33 PM   #7
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All that tells us is that you're in Florida, Deb, where they think that properly waterproofing a shower pan is optional.

You have more photos of when the receptor (pan) was being constructed?
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Old 03-13-2017, 06:18 PM   #8
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No I don't.
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Old 03-13-2017, 08:31 PM   #9
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That'll make it a great deal more difficult to help diagnose your problem.

The only technical information I can find about your tile is on the Floor & Decor website where it says "There are no documents available online for this product."

Quote:
Originally Posted by Deb
The pitch of the shower is fine...
And just how much pitch is that, Deb?

Do you recall some material being used to cover the entire shower at some point? Something orange, or gray, or bright red or pale green, perhaps?

Trying to determine what kind of shower receptor you're dealing with here.

Perhaps you recall them putting some kind of mud on the floor, covering that with a thick rubber-type material and then more mud?

Any hints might help.
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Old 03-13-2017, 09:24 PM   #10
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While the supply pipes are very neat, I worry about the drain line.

I can't tell from the pictures if the horizontal pipe is pitched enough, but I can clearly see there is no vent pipe within the required 3 feet from the shower J trap.

And the PT lumber isn't a great idea either.
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Old 03-13-2017, 09:27 PM   #11
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If you can, it would be a great help if you could remove the cover plate from behind the shower water valve and take a picture of the cross section of the wall like the picture below.
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Old 03-15-2017, 09:44 AM   #12
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This remodel took an existing tub out about 4 ft from where the shower is now so they plumbed off of that area. Would that allow for a proper venting situation? I don't recall the contractor using any rubber or colored material for the shower but I did not watch every step. I should have! You expect people know what to do when you hire supposed professionals.
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Old 03-15-2017, 10:52 AM   #13
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I would contact the installer or GC and find out as much information as you can about how your shower was constructed.

Unless the drainline was altered after the pic was taken I doubt that the vent is close enough to be effective. That could be one of your issues. Lack of waterproofing may be another.
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Old 03-18-2017, 03:10 PM   #14
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After my cleaning and sealing job

To all who replied, just finished with the Concrobium product I read about. Put two applications on the shower floor, exactly as directed. I then sealed it with Miracle 511 Impregnator sealer and am happy with the results. As directed, I will seal the tile religiously to keep on top of future issues, but happy with the outcome. Thanks for your troubleshooting steps. Hope I have solved the quandary.

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Old 03-18-2017, 08:33 PM   #15
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Thanks for the update, Deb. Hopefully it stays that way.
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