White Marble Turning Grey

Marble turning grey when installed.

White marble turning grey.

White tiles turning grey. We don t know what is causing this. This process of oxidation is similar to the rusting of metal. This process of oxidation is similar to the rusting of metal.

Our white marble floor is turning dark grey what causes this as no one wants to take responsibility input appreciated white thin set was used last edited by sharon anderson. By barb dexter mi question. White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown. If it was where the water was hitting it i would think the floor and more of the wall tiles.

I don t really see how it will get any better. Marble turning grey when installed. The tile shop claims that tiles are not faulty and that they will turn back to white within. If it does turn white again and you seal it you are still going to have water penetrate the marble along all the edges through the grout.

White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown. The contractor swears that there is no way that the grout stained the stone and that the grout is just making the stone look darker. I m gonna guess he doesn t want to spend the money to buy a new bag of white and had some open bags of grey in the back of the truck but my crystal ball has been wrong before. The bottom 1 1 2 rows of tiles on 2 walls are turning gray.

We installed sealed white marble in our walk in shower on the floor and walls. The tiler has never seen anything like this before. 02 25 2018 06 54 pm. I have never seen white marble turn that grey from water before though.

I just had some beautiful white calacatta marble mosaic installed in my bathroom and picked a light gray grout. He used grey adhevise and white grout. 2 days later they have all turned a varying shade of grey. We have just had our bathroom tiled with 300x600 white ceramic glazed tiles.

Now the marble looks gray yellow and dingy. This oxidation process is accelerated when the tile is saturated as in the flood in the above example. White marble tiles turning gray in shower.