Use the belt sander to scratch the entire area of the cultured marble where you will be installing the tile.
Tiling over marble floor.
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.
Layout tile layout the tile pattern on the floor by popping chalk lines to use in aligning the tile.
Some installers prefer to flatback each tile with the flat edge of the trowel before applying the tile to the combed thin set.
I would recommend first scarifying the surface of the marble.
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.
Covering the cultured marble walls is not a good idea.
Marble would need t.
Cut door jambs use a jamb saw or handsaw and spacer block to cut door jambs to the proper height.
Complete adhesive coverage is critical on large tiles 12 in.
Clearly you have a lower initial cost by doing an overlay.
The marble surface is likely polished or honed and it might have a sealer on it or contaminates from pass use.
Playing it really safe.
Back to business as usual.
How to apply tile to cultured marble step 1.
Tiling over an uneven surface will give you less than stellar results so level out any globs of dried grout with a sander and secure loose tiles with fresh.
Technically it can be done but in practice it is avoided.
If you follow the three part strategy above your tiles will probably stay put but if.
It is a wall not a floor.
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.
Tile over existing marble.
Buy a latex modified thin set one brand is flexbond and mix it in small batches to keep it from skinning over.
Or larger and even more important when you re tiling over tile.
Prepare the surface for installation.
Use the vacuum to completely clean all of the dust and particles from the cultured marble surface where you will.
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.
Marble is smooth and nonporous which are both good qualities for.
Others prefer to use a larger notched trowel 1 2 x 1 2 in to apply the thin set.
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.
How to tile over a marble fireplace overcoming problems with tile over a marble fireplace.
Clean floor clean the floor to remove any grease or dirt.