White Marble Turning Grey

We don t know what is causing this.

White marble turning grey.

02 25 2018 06 54 pm. We have just had our bathroom tiled with 300x600 white ceramic glazed tiles. View full version. 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.

This process of oxidation is similar to the rusting of metal. The tiler has never seen anything like this before. Marble turning grey when installed. White tiles turning grey.

He used grey adhevise and white grout. The bottom 1 1 2 rows of tiles on 2 walls are turning gray. Now the marble looks gray yellow and dingy. If it was where the water was hitting it i would think the floor and more of the wall tiles.

White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown. Marble turning grey when installed. We installed sealed white marble in our walk in shower on the floor and walls. 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.

This process of oxidation is similar to the rusting of metal. This oxidation process is accelerated when the tile is saturated as in the flood in the above example. White marble tiles can remain for years without yellowing then over time may slowly turn yellow and in severe causes may turn completely brown. White marble tiles turning gray in shower.

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. I just had some beautiful white calacatta marble mosaic installed in my bathroom and picked a light gray grout. The tile shop claims that tiles are not faulty and that they will turn back to white within. By barb dexter mi question.

I don t really see how it will get any better. 2 days later they have all turned a varying shade of grey. New member join date.