When i replace a backsplash i almost always cut the old one out substrate and all.
How to level a wall for tile.
Level those uneven walls plastering the walls is the best way to ensure that the walls are nice and even and ready for you to tile on.
Do this prior to any tiling job.
For the vertical layout begin your pattern at the top of the wall so there ll be full uncut tile at the top.
It can be worth getting a professional plasterer in to complete the task as plastering is a difficult skill to master and plastering a perfectly flat even surface is not for beginners.
However wall tile installation has its own set of rules that you dare break at your own risk.
How to tile an uneven wall.
If you re tiling over an uneven section of wall the.
Slide a 4 foot straightedge or level over the wall in all directions to check for plumb.
After all the penalty for poorly installed wall tile is a lifetime of having to look at the stuff.
They may have settled or bowed over time or the plaster may be rough and uneven.
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.
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.
If you plan to cut the bottom row of tile start your installation with the second row.
Check the wall first to see if it is straight.