Anytime the tile meets the window itself i use a sealant.
Tiling a bathroom wall with a window.
You shouldn t need to cut the tile unless it is an end tile that completes the row.
When tiling bathtubs backsplashes and other areas that use limited quantities of tile buy the best quality tile you can afford.
Mark the tile where it overlaps the full sized tile and number it on the back side.
When installing the tiles around windows make sure you first secure the tile corner trim in thinset.
Another thing i offer my clients is a shampoo niche.
This will allow you to leave room for the adhesive that will secure your tiles to the wall.
Line up a tile with the edge of the window and protruding out over the full sized tiles on the wall.
You can expect to spend about four to five hours tiling a standard 36x40 inch double hung window.
In a bathtub area the cost difference between using this cheap bland 0 69 tile and a better quality 4 75 tile is negligible.
Use bullnose tiles to round off the edges of the window frame and tile the wall first.
Then measure around the window as to cut the tiles with a score and snap cutter or a wet saw to fit into location.
With the sill in i can tile the sides of the window.