They may have settled or bowed over time or the plaster may be rough and uneven.
How to keep wall tile from sagging.
Be sure to put spacers between each tile as you go.
Hold a sagging tile down and staple to the furring with a staple gun.
To install ceramic wall tile use a level and measuring tape to mark the tile locations on the wall with chalk.
However wall tile installation has its own set of rules that you dare break at your own risk.
So let s look at the basics of wall tile installation that will make everything go a lot smoother less frustrating and less costly.
External furring step 1 cut a two by four board to fit the width of the ceiling.
Step 2 paint or finish the board as desired and allow it to dry.
The floor is on 2x10 joists 16 oc with a 14 ft.
After all the penalty for poorly installed wall tile is a lifetime of having to look at the stuff.
Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
How to tile an uneven wall.
The current tile floor circa 1965 is slate on 5 8 ply underlay applied with a tile mastic and the sub floor is 3 8 ply.
I will remove the tile and the 5 8 underlay to install 12 x 12 porcelain tiles in a brickwork pattern as opposed to a plain grid.
For example large wall tile ranges from 12 x 12 to 24 x 24 inches and stone panels used in commercial and exterior applications can be up to 7 feet long and 4 feet wide.
Many walls are somewhat uneven.
Step 4 continue until all tiles are reattached to the furring.