Roughen the tile with 80 grit sandpaper.
Tile over marble.
Tile over tile if your marble fireplace is tile and the original tile is in good condition with no loose tiles or cracks you can put new tile over the old.
There are flexible thin set mortars that are recommended for bonding tile over tile too.
Back to business as usual.
Marble is smooth and nonporous which are both good qualities for.
If your old ceramic tile is worn or dated you can lay new tile right over the old and avoid the huge job of tearing out the old tile.
Use the vacuum to completely clean all of the dust and particles from the cultured marble surface where you will.
Covering the cultured marble walls is not a good idea.
Playing it really safe.
How to tile over a marble fireplace overcoming problems with tile over a marble fireplace.
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 apply tile to cultured marble step 1.
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.
If you follow the three part strategy above your tiles will probably stay put but if.
Lay a level on the old tile and mark any high spots.
Grind them down with a grinder.
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 tile adhesive before beginning the project.
Measure opening to determine the size of the.
Instructions making sure the hardwood floor is protected using the hammer and mason chisel remove marble hearth set into floor.
Install new marble or use another type.
It is a wall not a floor.
You should use a polymer modified thin set mortar adhesive that meets ansi a118 4 or better yet ansi a118 15 to bond the porcelain tile to the prepared marble surface.
Tile over existing 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.