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.
Tile shower ceiling or walls first.
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.
Float sloped deck mud 2.
If your bathroom tends to get humid or you are installing a steam shower you should tile the ceiling to help protect it from moisture.
If you tile the floor first you may accidentally damage the new floor by dropping things on it.
Install cbu s to wall over shower pan sealing bottom ends with silicon.
Use the tile to decide on exact dimensions and positions of benches alcoves and even wall thicknesses so you can use whole tiles as much as possible and minimize cutting.
Ceilings or walls first 1.
The statuary shower has 3x18 tile running horizontally on the walls and a 6x18 is on the ceiling.
The thassos shower has 6x12 tile running vertically on the walls and has a 1x6 thassos mosaic on the ceiling.
Float second sloped deck mud 5.
If you prefer doing the shower floor first you can avoid accidental accidents by covering the new floor tile.
The key to an exceptional how to tile a shower tiling job is to plan the shower with the actual tile you intend to use.
Construct and install shower pan staple same to blocking 3.
Or difficult to remove mortar drops when tiling the wall.