Fill the gap between the tile and the tub with caulk.
How to install ceramic wall tile around a bathtub.
For a tub surround only install the backerboard and tile 12 inches above the tub.
Follow the order shown in the diagram to snap the rest of the lines.
Divide the dimension in half and make a mark there.
Apply it to the wall with the bottom edge about 1 4 in.
Diycrew hrvdiy renovision step by step tutorial how to install wall tile in any shower with any size bathroom tile including how to install tile in a nic.
If the tub is level start with a full tile at its rim.
Above the lip of the tub.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
When tiling around a tub mark the first layout line at the vertical edge of the tile next to the tub.
Check if you need to adjust this mark to avoid laying slivers of tile at the top and bottom.
The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area.