Now that you have verified these issues check on the following items too.
Tile floor not level.
It must however be flat.
The only time the levelness is that a word must be taken into consideration is when drainage is an issue such as on a porch or in a shower.
In the photo here you can see the glue from the original flooring.
That would be okay so no worries.
Hammer a shim gently between the floor and the toilet base to bring a low side up.
Set the blade of a chisel along the grout joint and tap it with a hammer to remove the old grout surrounding the.
If the dip is deeper than your notch you would either need to get a trowel with a bigger notch or we will have to do the floor leveling in a couple of steps.
Continue to check the level in several directions around the toilet bowl and add more shims as necessary to level.
This helps protect them.
Before installing tile on your floor you must make sure your floor is properly prepared.
Some of which can be serious and expensive to correct.
Place painter s tape along the edge of adjacent tiles you are not going to remove.
Older homes will generally have more sloping floors than newer ones.
Tile trowels come in many sizes click here to see chart.
Not to mention there s a big drop going onto the hardwood floor because the kitchen tile is so high.
How to fix uneven ceramic tiles 1.
Your foundation may not be the problem.
Instead it may be an issue with joists and beams below your floor that require shoring up.
No surprise if the under floor is uneven.
For instance you may have a dining room floor that end to end is level but between those two points are various sags and dips.
The gc did not try to remove the glue.
Tile over wood subfloor make sure there is no moisture or water affecting the wood members and apply thin set adhesive.
The reasons that floors are not level range from the affects of ageing over time to foundation and framing issues.
If the notch is too big that is even better and i ll explain in a moment.
How could you get a flat surface when you tile over this.
Tile over existing tile floor be sure to break or create a rough surface so the adhesive created.
If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists.
My tile guy said he can fix this too.