Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor.
How to install ceramic floor tile over ceramic tile.
Next place a loose tile directly over the last full tile you laid this is the tile you ll cut to size.
Position your tiles according to the layout you choose.
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.
Wash grout off of the surface of the tile with a damp sponge while.
The basic tiling process is the same as any tile installation.
Use a thin set product to install ceramic tile over existing tiles.
If your home only has one toilet you can leave it in place until you install the backer board.
Draw a square on the back of the tile in the desired location of the hole.
If the floor has.
Gently push the tile against the the blade until the edge of the square is cut.
Mark the loose tile and cut it to fit along the edge.
Keep a supply of wax rings on hand if you plan to reinstall the toilet at the end of each day.
Carefully place the backside of the tile against the wet saw blade at the midpoint of one of the sides of the square.
First set a scrap tile against the wall it allows space for grout.
Using a modified mortar with latex or polymer additives creates a stronger bond between the existing tile floor and your new tiles.
Working in small sections spread the thinset over the existing tile using a notched trowel.
This is a mixture of cement fine grain sand and water that will adhere the new tile to the old.
Floor prep for tiling over old tiles involves grinding off high spots on the existing floor removing loose tiles and filling voids with thinset or floor leveling compound.
Spread using the grout float forcing grout into all joints and pulling the excess off with the edge of the float like a squeegee.
Stuff a rag in the hole to block sewer gases.
Then place another tile on the loose one and up against the tile on the wall.
Repeat for the other sides of the square hole.
Roughen the tile with 80 grit sandpaper.
Lay a level on the old tile and mark any high spots.
Grind them down with a grinder.
When it comes to mortar latex or epoxy options are best for installing tile over tile.