The reason being is because the toilet recesses into the flange when.
Toilet flange is level with floor.
Flange extenders are commonly sold in 1 4 inch and 1 2 inch sizes to raise the height of the existing flange 1 4 or 1 2 inch.
Most extenders come with long bolts which may be necessary if the flange is below the floor level.
In newer homes the closet flange may be fixed to the drain with pvc glue.
Ideal height of toilet flange.
If the toilet flange is at the incorrect height it will cause problems with the toilet connecting onto the plumbing.
If your flange sits even or below the floor then it s wrong.
To get the necessary clearance from the floor you can add a toilet flange extender which is quick and easy to install.
Toilet installations sometimes get undesirable results when not properly set up.
If the previous flange is too low purchase one that is designed to sit on the finished floor and provide the optimum toilet flange height.
These models may feature an additional metal or plastic ring that sets directly on the polished floor but is hidden by your toilet once it is reinstalled.
It has to sit evenly on top of the finished floor.
Place the carpenters level across the toilet bowl side to side and note where the bubble level is.
If that s the case buy a repair flange to fit over the existing one.
Take for instance tiling a new bathroom floor that ended up raising floor height way above the toilet flange.
This can be a very serious issue since it can cause some sewer gases to leak around the bathroom.
The perfect height for the toilet flange is to be the same level as the finished floor.
When you install your toilet flange it should be installed on top of the finished floor and it should also be installed perfectly level.
When installing the toilet flange you need to check that it s the correct height and is also perfectly level.