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.
Tile over mud wall tile.
My areas include behind the sink stove and several counter areas.
With a non slumping formula to eliminate lippage versabond lft can be applied to 3 4 in.
And it lasts for 20 years.
Then rinse the wall with a water dampened sponge.
Versabond lft fortified medium bed mortar is a general versabond lft fortified medium bed mortar is a general purpose economical polymer modified medium bed mortar for use with large format porcelain ceramic and natural stone tile.
A thick set or mud set tile installation consists of finish tiles set over a 1 1 4 to 2 thick portland cement mortar bed.
It must be easy to work with and it must adequately fill in gaps between the tile and the substrate.
Tiles falling off the wall.
By far the most common problem i have encountered has been tile installed over drywall in shower wet areas.
Layer newspaper on the floor across the bottom of the tiled wall.
Tile on tile or as i say it.
This is the case so much of the time that when people tell me on the phone that.
Whether wall or floor tile that tile needs to thoroughly stick to its base surface demands placed on tile adhesive are both extensive and steep.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush.
Put up the new 4x4 tiles with wall adhesive grouted and have had zero problems.
Learn the largest tile industry secret to remodel your bathroom for just 200 bucks and 1 days work.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
Tile adhesive is expected to hold the tile in place not just for years but for decades without fail.
It cannot cure too fast.
19 mm thick on horizontal applications.
Suitable sub floors for thick set tile installations include concrete slabs and properly installed wood.
Repair any loose or cracked tiles.
To do so make sure all of the tiles are intact and secure.
When dry i smoothed things out to my satisfaction and painted the entire wall with kilz in an attempt to seal the dried mud.
Otherwise you do.