Wait a day and then do the floor use painter tape around the base of the walls.
Grout floor or walls first.
Where to caulk in a shower in addition to caulking shower fixtures experienced tile setters caulk in all changes in planes in showers including corners surface edges and wall to floor intersections.
Because the wall tile should hang over the floor tile it can be more complicated to install tile on the wall first.
The sole purpose of grout is to fill the spaces between tiles after the tiles have been glued in place on a floor or on a wall.
More appropriately grout first leaving the grout lines open and clean where caulking will be applied and waiting 24 hours to do so.
After the shower walls are set i remove the ledger boards and then set the shower floor and bottom row of wall tiles.
Grout keeps the tiles from.
Smear the grout diagonally across the tile to force it deep into the joints and prevent it from being sucked back out as your float slides along.
Grout fills the joints between tiles.
After the grout has cure for a day then you can pull the tape off the walls and caulk the joint where the floor meets the walls with 100 silicone mold and mildew resistant caulk.
Always grout the walls first for this how to grout tile project and after they re finished the floor.
Then i can do the curb trim bathroom floor tile or whatever that same day.
However starting your project with tile installation on the walls first can help you to avoid unfortunate messes and damage related to mishaps with the mortar and tile.
The next day i come back and do all the grout at once.
Additionally you can also cut the tile to fill the gap between floor and wall.
If its all the same sanded or unsanded i start with the walls and grout my way out cleaning the floors of the same excess grout as i go if its 2 different grouts i always do the un sanded 1st.
And after installing the floor tile you can install that final or first row of wall tile.
Some like to use a ledger or other space saver to indicate where your missing row should be.