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.
How to lay wall tile in a corner.
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.
You also need to pay attention to the inside corner tile details and patterns such as continuing a herringbone tile on the inside corner.
This do it yourself video shows how to tile outside corner without bullnose.
To install ceramic wall tile use a level and measuring tape to mark the tile locations on the wall with chalk.
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.
This time make the cuts at the corner so that the cut side of the tiles are about 1 8 inch from the face of the tiles on the other wall.
The outside corner is part of bathroom shower corner that need to be tiled.
Because fitting tile into a corner requires some extra work and planning it is wise to start in a corner setting this tile before you continue with any pieces around it.
That way you can use it as a guide for tiles that do not run along walls and ensure if your cut is off that you have extra tiles to work with.
Installation of corner tiles is the same as it is for wall tiles.
All you have to do is to start installing wall tile on one side of the corner.
Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
Spread the adhesive on the wall with a notched float and make sure the tiles are plumb use a spirit level to be sure.
Let all the tiles set overnight.
As you work your way up from the bottom you smear your thinset onto the wall with a notched trowel depending on the size of your.
Install the wall tiles in such a way as to have a clearance space 1 8 1 10 between the corner and the tiles to leave them enough room to expand.