Gray thinset eliminates this risk.
White marble grey thinset.
Now the marble looks gray yellow and dingy.
Also after installation continue to seal your stone at least one time a year to prevent future staining.
Oh and that part was done a week or so ago that grey thinset is dry and will be covered with white thinset for tiling i had some grey left over from the floor mike willis nov 29 13 at 2 59 please please do consider using kerdi everywhere from and for the floor pan and up onto the walls as far as the walls could possibly get wet.
What kind of marble is this.
Versabond cures quickly and adheres to most surfaces.
White is usually used for walls and counters and gray for floors.
Do not use any grey mud or thinset that can penetrate through to the light stone.
I just had some beautiful white calacatta marble mosaic installed in my bathroom and picked a light gray grout.
You can also choose the color based on location.
For this reason gray thinset is recommended.
Slate tile is typically less porous than travertine and has a dark colored body.
I am about to tile my final room.
If you want light grout use white thinset.
In conclusion ensure if you re going to install white marble or light stone use a white colored thinset and portland cement or waterproof system.
I have never seen white marble turn that grey from water before though.
The light gray is also a fine choice but keep in mind that it will darken and maybe not match the tile color quite as well over time.
Use a non sanded grout to protect both the marble and the grout from discoloring too much.
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.
White thinset may prove to be difficult to clean off the surface and small cracks on the finished surface area of slate.
Suitable substrates include interior and exterior floors countertops and walls.
Fortified thin set mortar is a professional formula all purpose mortar polymer modified to provide good bond strengths.
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.
The custom building products versabond 50 lbs.
White grout is a risk in bathrooms though as everyone mentions.
I don t really see how it will get any better.
If you use dark grout use gray thinset.