Then do a dry fit to the corner making sure you leave.
Tiling internal wall corners.
Press the tile against the wall with the cut side facing the corner and the other edge next to the last full tile in the course.
Next sand the joints as to make them level with the rest of the wall otherwise the tiles wouldn t be plumb.
There are several techniques for spreading tile adhesive on the walls if you want to get the job done like a pro.
On the contrary if you have to install cut tiles you should spread the thinset to the back of the tiles and install it with the cut edge pointing towards the inside corner.
Measure and cut a tile to fit the width of the gap to be filled.
If you have to install full tiles along the internal corners we recommend you to spread tile adhesive directly to the wall by using a large notched trowel.
Depending on the type of tile you are using check with the manufacturer s instructions for how to apply the thin set and set the tile.
Step 4 applying adhesive.
Plan the installation of your tile trim alongside the installation of your tiles.
Apply mortar to the back of the tile with the notched trowel.
Space the two tiles consistent with the rest of the tiles generally 1 8 inch which will leave a 1 4 inch space at the corner.
Mark your cut lines on the top of the tile with a felt tip pen when you are ready to fit your tile to your inside corner.
Use your tile cutter to score the lines and carefully tap the corner tile or use a wet saw to cut it out.
Therefore you have to install hardibacker on the areas exposed to water and seal the joints by using thinset and paper tape.
Using a hacksaw or trim cutter cut the trim at a 45 angle at wall edges and bases and ensure that each portion fits together at a 90 angle.
Butter the back with adhesive and press it into place with the cut edge facing into the corner.
Measure the areas to be installed with tile trim and then them measure again to be 100 sure.