Probably more than you want to get into but it may be worth your while to replace the sheet rock above the insert with a water resistant backer board like durock or hardie backer.
Tile above tub insert.
I cover some of the specifics of how to layout and set up a tub to install tile around it.
Check if you need to adjust this mark to avoid laying slivers of tile at the top and bottom.
You would want backer board behind your tile not sheet rock anyway.
Dw decided she wants subway tile.
Prep the shower area for tile layout to start tiling prepare by running a bead of silicone caulk around the perimeter of the area you are tiling to seal it image 1.
Use the back of a plastic spoon to smooth the caulk.
Since we bought this house our main bathroom was a tired space with a fiberglass one piece bathtub and shower surround insert.
Today we are going to remodel.
Slide it into place and check to be sure it is level.
Tile over sheet rock would create more problems than it would solve.
Have perpetually peeling paint in section of drywall above insert in kid s bath.
When you come to the corner mark and cut the tile to fit in to the final space.
The tile can either match the surround to blend in and make the entire unit look larger or.
This video will show you how to set tile around a tub.
Continue adding tiles to the row until it is complete.
Divide the dimension in half and make a mark there.
For example if one wall s tiled area will measure 36 inches wide by 18 inches high you would draw a rectangle that is 36 inches wide and 18 inches high on a piece of cardboard.
Place your first tile onto the wall and press evenly while giving it a little bit of movement back and forth.
Tile it up add a few rows of decorative tile above the surround to extend it all the way to the ceiling.
Never have done tiling but am pretty handy.
Want to tile that section to eliminate problem.
The vertical dimension from the ceiling to the top of the fiberglass unit is different in various spots on the 3 walls from 20 to 20 5.
To tile around a tub or shower start by measuring the height of the back wall from the lip of the tub to the top of the area to be tiled.
Insert a tile spacer then repeat the process to add the next piece of tile.
Repeat these steps with each tile using a spacer between each tile to ensure evenly spaced tiles.
Use a wet saw with a diamond blade to cut all the tiles.