It is a wall not a floor.
Tiling over marble floor.
Buy a latex modified thin set one brand is flexbond and mix it in small batches to keep it from skinning over.
Playing it really safe.
The marble surface is likely polished or honed and it might have a sealer on it or contaminates from pass use.
Others prefer to use a larger notched trowel 1 2 x 1 2 in to apply the thin set.
I would recommend first scarifying the surface of the marble.
But it is fraught with future dangers including adhesive failure liability from falls caused by popping grout lines needing to re do the entire project and so on.
Clean floor clean the floor to remove any grease or dirt.
Or larger and even more important when you re tiling over tile.
Subfloor preparation is similar cement board underlayment installed over a sturdy plywood subfloor is the best base for marble tiles just as it is with ceramic tile.
Some installers prefer to flatback each tile with the flat edge of the trowel before applying the tile to the combed thin set.
Complete adhesive coverage is critical on large tiles 12 in.
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.
Being that it is marble a precious rock you may want to remove carefully and bag it up for possible later use in a wall or a tumbled shower pan.
Marble would need t.
To lay tile over tile.
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.
How to tile over a marble fireplace overcoming problems with tile over a marble fireplace.
Prepare the surface for installation.
Technically it can be done but in practice it is avoided.
Covering the cultured marble walls is not a good idea.
Use the belt sander to scratch the entire area of the cultured marble where you will be installing the tile.
Use the vacuum to completely clean all of the dust and particles from the cultured marble surface where you will.
If you follow the three part strategy above your tiles will probably stay put but if.
Layout tile layout the tile pattern on the floor by popping chalk lines to use in aligning the tile.
Tile over existing marble.
Back to business as usual.
Tiles are glued down with a thin set adhesive a mortar based product that now is the standard for ceramic and stone tile products.
Marble is smooth and nonporous which are both good qualities for.
How to apply tile to cultured marble step 1.