mold and mildew in travertine shower

hjones1817May 23, 2013

>in 2007 I had installed a travertine shower stall. We now are getting mold and mildew halfway up the shower. Could you tell me, if that would be coming from water underneath the shower floor where the pan and protective coatings were improperly installed. I have been told that the mold and mildew is coming from water no higher than 18 inches from the base of the shower. Your recommendations. Thank you

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Sophie Wheeler

How was the shower waterproofed? Have you kept it sealed?

    Bookmark   May 23, 2013 at 11:03PM
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Travertine is porous. Is it possible you are just growing mold/mildew on/in the pores of the travertine itself?

    Bookmark   May 24, 2013 at 12:16PM
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We have kept the shower sealed. I think the tile man did a faulty install. It was a travesty. The workman actually installing the tile brought the saw into the house without our knowing it until it was too late & we had dust throughout the house.

    Bookmark   May 24, 2013 at 1:28PM
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Most travertines(darker travertines can be porous) are not very porous-the material is dense and is formed in calcite rich springs underground. Because of the natural holes and pitting its easy to think it may be porous.
It is a stone that works well in my opinion in wet environments. Provided that the install was done properly.
Are all the joints(corners,base,etc) properly caulked.
Is the pan clogged and holding water. To make sure it is mold test it with full strength bleach. Just a small area-(yes bleach- dont worry it wont hurt the stone) It will if it is mold or mildew remove it. Post a picture if you can. More likely than not there is a cure for your shower stall.

    Bookmark   May 26, 2013 at 4:10PM
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