Can You Lay Marble Over Tile

If you really want to be on the safe side you can always install a cement backer board before you lay the tiles.
Can you lay marble over tile. If the ceramic tile is not firmly adhered to the sub floor it will come up and cause the marble tile on top of it to come loose as well. The short answer is most likely yes. 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. It avoids the time consuming messy tear out process.
You can lay new ceramic tile right over the old using the prep techniques we show here. Lay a level on the old tile and mark any high spots. Roughen the tile with 80 grit sandpaper. 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.
One problem when tiling over existing flooring is caused when parts of the hidden floor come loose. Overcoming problems with tile over a marble fireplace marble is smooth and nonporous which are both good qualities for a finished surface but poor ones for a tile substrate. Be careful not to slide the tiles into place or get adhesive on the top of the tiles. Press the tile onto the floor.
Lay the tiles on top of the adhesive within 10 minutes of applying the adhesive. I would recommend first scarifying the surface of the marble. Honestly it is so neutral it blends right into the room and you don t notice the marble underneath. As for tiling over it.
Step 1 use the belt sander to scratch the entire area of the cultured marble where you will be installing the tile. Yes it s possible to go over a stable tile with a good substrate. Sliding the tiles into place will push up the adhesive and make the tiles uneven causing them to crack. 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 marble surface is likely polished or honed and it might have a sealer on it or contaminates from pass use. Grind them down with a grinder. President wrightworks llc. If you are a total perfectionist or going over a dark colored marble with a light colored tile you could prime the marble with bonding primer and apply a matching white paint.
Marble tile can be installed over existing ceramic tile provided the ceramic tile is in good condition and has a relatively flat surface. Covering the cultured marble walls is not a good idea. Technically it can be done but in practice it is avoided. Good luck with that.
But i wouldn t consider tiling over a stone as porous as marble.