Traditional flanges used if the toilet flange height is already correct.
Toilet flange higher than finished floor.
That s going to make a difference when you install the thing because you want your toilet to be level.
When the grout starts to set then install the toilet.
Is there a height over the floor you donât need to worry about.
If the toilet is only rocking a little and the floor is merely uneven and not on a slope and the flange is level you can shim the toilet in the back and produce a level toilet.
Remove the toilet and then create a bed of grout around the traced outline.
The ideal height for the flange is sitting on top of the finished floor.
As far as the placement of the flange i ve actually heard of some plumbers saying that the flange should be maybe a 1 4 or 3 8 higher than the finished floor but i am afraid that too high will result in an unstable rocking toilet.
It could be that the flange is level and the floor is not.
To lower the flange properly i would cut the pipe below the flange in the basement and use pvc primer and glue and fitting to seal it back together or you can use a fernco coupling.
When the tiles are set and the tile adhesive has dried you can screw the flange on the floor and proceed with the toilet bowl installation.
Trowel this bed flat staying within the outline.
If the flange is higher you have two options.
Have seen numerous questions on the flange being too low what do you do when the flange is higher than the floor.
Notice in this image how the toilet waste pipe sits just inside the flange opening this is the proper way for a toilet to sit on a flange.
Make any needed adjustments and purchase the best new flange.
The flange should be flush on top of and anchored to the finished floor level with only the thickness of the flange above floor level.
How much higher you can go beyond that depends on the particular toilet but probably 1 2 total is as much as you can hope for.
This means the top surface of the flange is about 1 4 or 5 16 proud of the floor surface.
A few tips to get your toilet refit after a new tile floor is installed.
The flange should sit on top of the finished floor if it doesn t you ll have to modify the plumbing or find another way to achieve this.
