If your flange sits even or below the floor then it s wrong.
Toilet flange half inch above floor.
Since this dimension is intended to work with a standard wax ring there s little chance a 3 4 protrusion will work.
You can remove your old flooring and lay your new flooring down.
There isn t much allowance for raised flanges in most us toilets i ve seen.
Should remedy your problem easily.
This is very important.
When you install your toilet flange it should be installed on top of the finished floor and it should also be installed perfectly level.
The critical feature is how much higher the under toilet ceiling is than the bottom perimeter base that sits on the finished floor.
Btw 1 4 below finished floor is not perfect for the flange.
To do this you ll want to first measure how much higher the toilet flange is currently sitting above your bathroom floor.
Once you have an exact measurement go to your local flooring or home improvement store and purchase tile with the thickness that you need.
The optimum toilet flange height is approximately inch above the floor to achieve the best seal and overall fit.
Toilet flange 1 2 proud of floor if are an issue raise the area just under the bowl match the footprint of the bowl cut a piece of wood stone would be better paint it white to match the bowl set bowl on top of buildup.
Purchase a new one 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.
If not a toilet spacer can be added.
The first thing to do is measure the inset on the bottom of the toilet it may be enough to work with the flange high.
It has to sit evenly on top of the finished floor.
When preparing to install the toilet the first thing to confirm is the proper flange height.