From the existing ceiling joists and mark the wall.
How to install ceramic on ceiling.
When grouted the tile creates a waterproof barrier that helps.
A low ceiling will get spray and steam vapors rising up to it so tile would be more functional there in protecting the ceiling.
Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
If your ceiling is in good shape you can install tiles by applying adhesive to them and pressing them against the ceiling starting in the center of the room and working outward.
Especially common in shower enclosures a tiled ceiling adds a finished look to your bathroom.
When installing tile on the ceiling you want to install the tile on the shower walls all the way up to the last row before the ceiling as i ve done in these photos.
Although many showers only have tile running up the wall until around the 7 foot mark above the shower head some showers continue all the way up.
How to put floor tiles on the ceiling.
If you are lining up your grout lines rather than installing them diagonally you can then draw lines on your ceiling as guides to where your tiles should be.
How to install granite tile on a shower ceiling.
If the ceiling is high it wont need the tile but it may look nice.
To install ceramic wall tile use a level and measuring tape to mark the tile locations on the wall with chalk.
Space is just enough to angle the tiles into place.