When i replace a backsplash i almost always cut the old one out substrate and all.
How to level a wall for tile.
They may have settled or bowed over time or the plaster may be rough and uneven.
So let s look at the basics of wall tile installation that will make everything go a lot smoother less frustrating and less costly.
Check the wall first to see if it is straight.
If you re tiling over an uneven section of wall the.
For the vertical layout begin your pattern at the top of the wall so there ll be full uncut tile at the top.
Many walls are somewhat uneven.
If you plan to cut the bottom row of tile start your installation with the second row.
That way if you do have to cut tile to fit they ll be at the bottom where the tub or shower pan might be slightly out of level.
How to tile an uneven wall.
Leveling wall for tile.
Takes no time at all i come up an inch from the countertops and an inch down from the upper cabs cut out with the fein tool replace with whatever backerboard you choose and you have a new flat surface for the new tile.
Slide a 4 foot straightedge or level over the wall in all directions to check for plumb.
Do this prior to any tiling job.
However wall tile installation has its own set of rules that you dare break at your own risk.