Tile on tile or as i say it.
Tiling over polished marble.
Marble tiles are not recommended for humid or wet areas like kitchens bathrooms or basements because marble will absorb moisture which can lead to warping dulling and deterioration over time.
So so long as it is structurally sound check this with a golf ball and a hollow eardrum and free of cracks the tcna approves of this installation method.
One of the most frequently asked questions when it comes to tiling is can you tile over cultured marble in the bathroom there are two sides to this question.
Since you re about to tile over the marble fireplace you don t care about the condition of the marble so go ahead and scratch it up as thoroughly as you can.
I would recommend first scarifying the surface of the marble.
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The reason for this is to create a surface rough enough so that the thinset or mastic will bond properly as cultured marble s finished surface is too smooth for tile adhesives to bond.
Covering the cultured marble walls is not a good idea.
Cultured marble is an acrylic composite and so it will.
Etch the marble get out your pad sander and a fairly coarse grit of sandpaper such as 60 or 80 grit.
Apply a cement based mortar to both the existing marble tiles.
While running errands i found herringbone marble tile and penny tile at 50 off 3 50 a piece and decided it was time to update the fireplace surround.
After taking a tiling class i know that is something that is just not in my diy wheelhouse so i called an expert named leo.
Technically it can be done but in practice it is avoided.
Use the belt sander to scratch the entire area of the cultured marble where you will be installing the tile.
How to tile over a marble fireplace surround.
For pricing and availability.
Due to its polished finish marble can be very slippery when wet.
Tile over existing marble it is a wall not a floor.
The marble surface is likely polished or honed and it might have a sealer on it or contaminates from pass use.
Answer answer as long as the existing marble floor is structurally sound and well bonded to its substrate without excessive deflection you can bond over the marble.
Clean the marble of any soot and run a belt sander over it to roughen the surface particularly if the original marble is polished.