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.
Tile over existing cultured marble.
You may be able to have someone put a colored coating like they do on ceramic tile.
Covering the cultured marble walls is not a good idea.
It may need to be mechanically bonded like grind with a course wheel.
If the wallboard is loose or crumbly you ll have to replace it before tile can be installed.
Use the vacuum to completely clean all of the dust and particles from the cultured marble surface where you will.
Live with it replace it or hire a company to come in and professionally refinish it.
Tile on tile or as i say it.
How to apply tile to cultured marble step 1.
Cultured marble is an acrylic composite and so it will require an epoxy setting material after the surface has been roughed up with either a grinder or sandpaper.
In fact when it comes to making over cultured marble you really have only three options.
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.
Tiling over cultured marble in shower.
One strategy is to clean the marble with tsp and water then sand it with coarse sandpaper to etch it.
Tile over existing marble.
It is a wall not a floor.
Best of luck shaughnn.
The first option is pretty self explanatory do nothing and live with the countertop you ve already got.
And it lasts for 20 years.
I don t think that particular membrane would work.
Then if you use the proper mastic the tiles should stick.
I always try to think outside the box that is an interesting question.
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Not the most glamours option but it s certainly the cheapest.
Epoxy is expensive but there aren t any other settings materials that will give you a reliable bond over this plastic surface.