Using a wet saw cut one tile into a triangle diagonally from opposite tip to opposite tip.
How to lay tile diagonally wall.
While a diagonal pattern might seem logical if you are using big tiles for an expansive space such as a large kitchen or great room floor many people worry that diagonal tiles can look too busy in a smaller bathroom and if you are a diyer planning to install the tiles yourself you might worry that.
When i tile diagonally on a wall i always use a straightedge in the middle of the wall.
Instead you need to find the 45 degree angles on the wall.
The best way is to arrange your wall tile in a pyramid shape.
Start in a 90 degree corner.
If it seems complicated try this.
Because tile laid on a diagonal has half tiles or pieces of cut tile along each edge of the installation a lot more tile is required to complete the job.
Install tiles one through four as directed.
Lay half of first tile with cut side facing 90 degree corner and tips almost touching walls at a 45 degree angle.
If you are laying the diagonal tiles over the entire backsplas simply drawing a chalk line from one corner to the opposite will not work.
Dry fit a row of tiles along each diagonal line.
Diagonal tile installations draw the eye out to the sides of the installation visually widening and enlarging the space.
If the wall is really large i use a square to keep the corners lined up.
There are only two ways to handle an inside corner with diagonal tiles.
Homeowners often shy away from diagonal tile layouts also called bias layouts in a bathroom.
Lay out tiles in a dry run to make sure they fit.