I think my darkening is from oil from cooking.
Why dis marble turn darker.
A simple test of this is to let the lid off the mastic container for a few days or look at the mastic trowel the next day.
No two granites are exactly alike which means that some stones may be more likely to darken on contact with water.
So i m trying to get the oil stains out.
If anything the marble will get darker as time goes on and the mastic continues to cure.
The cooktop area gets less sun than the lighter area on my cooktop.
Josh that is how long it takes the thinset to fully cure.
Why does it happen.
Most mastics turn brown over time when exposed to air.
I have never seen white marble turn that grey from water before though.
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.
Causes and cures and why we recommend white or very light marble never be used in a shower sitting in my office one morning i received a call from a very upset home builder.
Even if your granite seems extremely smooth to the touch it is a natural substance and on a microscopic level it is uneven and full of holes.
Available in a variety of colors and shades marble can be treated with a special coating that enhances the natural beauty of the stone by turning it a few shades darker and producing a permanent.
Water will not stain and unless there is a bad install or grout cracks any water that does.
The solution to remove stains from granite we have finally developed a granite poultice which removes deeply embedded stains and discoloration from kitchen granite countertops and islands.
This stone comes in a wide variety of colors and styles some of which are light in color.
Thus the commonly stated but completely incorrect myth that marble stains easy.
As a result the granite s surface becomes much darker in color compared than when it was new.
I don t really see how it will get any better.
Around the cooktop is really dark but the other part of the island isn t dark.
Some of the staining where the tiles are darker i assume is just the result of water penetrating the surface of the marble and indeed it does fade to some extent when the shower isn t used for a day or so.
Over time we are getting some marble staining on the tiles that are most exposed to the water.
He told me he was building a two million dollar home and had installed nearly 3500 square feet of a white statuary marble tile.
I tried peroxide 40 and it didn t work at all.
Granite is a natural stone that is used as counter and vanity tops in many kitchens and bathrooms.
With the variation of the.
Does not stain easy.
It etches easily which people confuse with staining.
The porous surface of stone allows water to cling to it and absorb darkening the appearance.
And you are not sealing against the water so sealing a shower provides almost no benefit but may complicate just such a problem as you describe.