Step 1 use the belt sander to scratch the entire area of the cultured marble where you will be installing the tile.
Can you tile over cultured marble shower floor.
Covering the cultured marble walls is not a good idea.
If the wallboard is loose or crumbly you ll have to replace it before tile can be installed.
Tiling over cultured marble in shower.
Care of tile in a shower grout is important to seal the water out from between and behind the tiles and should be cleaned and cared for appropriately.
The tile backsplash can be installed in place of the previous cultured marble splash as long as the wallboard is undamaged.
Sir i doubt that any body has ever done that in fact i would go as far to say any contractor that was asked to do that would decline now you may find some one to do it but as i say i do not know of a contractor who would think this is a good idea or this will work.
Cultured marble is the cheaper option.
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.
Cultured marble and other cultured stone panels can have some shade variation and veining which makes them more decorative than acrylic or fiberglass.
Well you are correct.
Technically it can be done but in practice it is avoided.
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.
The surface of the existing tile should be free of mold and mildew completely level including grout and.
So in short you can tile over tile as long as you re working on a fairly sound surface.
I would recommend first scarifying the surface of the marble.