Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
How to install large tiles on the wall.
Remember to apply the adhesive using a 15mm u notch or a 10mm v notch trowel and spread towards one direction only.
So let s look at the basics of wall tile installation that will make everything go a lot smoother less frustrating and less costly.
After all the penalty for poorly installed wall tile is a lifetime of having to look at the stuff.
However wall tile installation has its own set of rules that you dare break at your own risk.
It may seem easy but larger tiles are actually much harder to install correctly so i ll go over which products.
For starters lets go over what constitutes a large format tile.
Wash the wall with tsp tri.
But in reality floors.
Making sure you use the right one correctly for your large format installation is essential.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
Heavy large format tiles used on wall applications are best installed using non sag adhesives.
Back buttering tiles of this nature in the installation process will also assure proper coverage for body.
Tcna recommends medium bed mortars for large format floor installs.
For proper bonding medium bed mortar should be used in installing tiles with a dimensional length greater than 20 x 20 large rectangles or tiles with greater dimensional thickness than normal.
In theory the easiest solution is to build from the bottom supporting the lowest tile course right on the floor and letting the upper courses rest on those.
To do so make sure all of the tiles are intact and secure.
For wall cladding follow the same procedure as previously shown in the floor installation section.
Large heavy wall tiles are a challenge to hang because the weight of tiles makes them prone to slip off the wall.
Repair any loose or cracked tiles.
This d i y video how to install large format tiles on bath room wall for beginner part 1 explain in details the process of installing large tile on a b.