This will guarantee your tiles to stick over pretty much anything.
Tiling over existing shower wall tile.
Then rinse the wall with a water dampened.
Typically screws secure each of these items in.
Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush.
Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer.
Make sure you ve filled in all the grooves and any openings on your existing surface.
Most people dread re tiling because it often means that you need to remove all the old tiles first.
Layer newspaper on the floor across the bottom of the tiled wall.
This isn t especially problematic if the pan was installed separately from the shower walls but it can be tricky if the pan is part of a one piece fiberglass stall and it may need professional expertise.
Instead of removing the old tiles you can often update them by tiling over tiles.
The proper way to tile over a fiberglass shower pan is to remove the pan.
Scratch the tile with sandpaper to rough up the surface.
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.
This essentially means laying a new layer of tiles over the old layer.
This gives the tub surround sealant a stronger hold.
How to install a shower surround over existing tiles step 1.
Remove the faucet handle face plate spout and shower head.
My fil uses and recommends laticrete 272 mortar mixed with 333 additive.
Skim coat over your existing tile.