Now that you have verified these issues check on the following items too.
Tile floor not level.
If the notch is too big that is even better and i ll explain in a moment.
The reasons that floors are not level range from the affects of ageing over time to foundation and framing issues.
This helps protect them.
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.
My tile guy said he can fix this too.
Continue to check the level in several directions around the toilet bowl and add more shims as necessary to level.
Tile over wood subfloor make sure there is no moisture or water affecting the wood members and apply thin set adhesive.
Place painter s tape along the edge of adjacent tiles you are not going to remove.
Hammer a shim gently between the floor and the toilet base to bring a low side up.
Some of which can be serious and expensive to correct.
No surprise if the under floor is uneven.
Your foundation may not be the problem.
It s the worry that the cause of the sloping is a structural problem or defect.
Not to mention there s a big drop going onto the hardwood floor because the kitchen tile is so high.
Before installing tile on your floor you must make sure your floor is properly prepared.
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.
A properly prepared floor does nothave to be level.
Instead it may be an issue with joists and beams below your floor that require shoring up.
In the photo here you can see the glue from the original flooring.
It must however be flat.
Older homes will generally have more sloping floors than newer ones.
Tile trowels come in many sizes click here to see chart.
Tile over existing tile floor be sure to break or create a rough surface so the adhesive created.
How to fix uneven ceramic tiles 1.
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.
How could you get a flat surface when you tile over this.
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.
Insert the tip of the chisel or.