A toilet drain flange can sit above or below the finished floor level.
Toilet flange below level floor.
Toilet flange extenders are constructed with either soft or hard pvc providing solid pathway from the bowl horn to the toilet flange on the floor.
Most extenders come with long bolts which may be necessary if the flange is below the floor level.
In a typical toilet installation the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor or no more than 1 4 inch above or below the floor.
When the toilet was removed the toilet wax ring was still in its original shape.
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.
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 your bathroom was built like this then you ll need the set rite toilet flange extender system or a similar system to properly raise the height of your flange.
If it s a little too low then this probably won t be an issue.
This can be difficult as you probably haven t laid your floor at the moment.
Here you can see the results of a toilet having been installed on a toilet flange that is below the floor level.
The optimum toilet flange height is approximately inch above the floor to achieve the best seal and overall fit.
I believe products in this category are designed to replace the use of wax rings only although fernco advertises that it can handle toilet flanges that are up to 3 4 lower than the floor surface.
Give some thought to the height of the finished floor and you should be able to work out how high it needs to be.
As a result the flange is sits below the floor and is screwed into the subfloor.
To get the necessary clearance from the floor you can add a toilet flange extender which is quick and easy to install.
This ensures that the flange makes a watertight seal against the wax ring that fits between the drain opening and drain outlet horn on the underside of the toilet.
A sign that the wax ring was not sealing the toilet from sewer gases or preventing water escaping from under the base of the toilet.
If your current flange is broke then you ll also need a new one.
