Ideal height of toilet flange.
Should toilet flange be even with floor.
In this image you can see how the toilet flange is set even with the old floor but now a new tiled floor has been installed.
To get the necessary clearance from the floor you can add a toilet flange extender which is quick and easy to install.
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 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.
First seat the flange where it should go and confirm that the toilet flange height will not be more than a inch above the finished 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.
This can be difficult as you probably haven t laid your floor at the moment.
If the flange is too low you will surely have a leaking toilet.
The reason being is because the toilet recesses into the flange when fully installed but when the flange sits even or below the floor the toilet can t properly recess into the flange.
Make any needed adjustments and purchase the best new flange.
Traditional flanges used if the toilet flange height is already correct.
If your flange sits even or below the floor then it s wrong.
This way the toilet is able to press strongly on the wax ring to form a tight seal.
Give some thought to the height of the finished floor and you should be able to work out how high it needs to be.
It has to sit evenly on top of the finished floor.
The perfect height for the toilet flange is to be the same level as the finished floor.
Though above floor installation is considered the right way to fit a flange some swear by attaching it level with the floor.
However different models exist to address flanges that are too low as.
Closet flange installation 2 flush with the floor.
A toilet flange should be flush off the bathroom floor or a inch above it.
The process is generally the same but the flange is secured down before the floor is finished.
