Toilet Flange Below Floor Surface

Below the finished floor add plastic toilet flange.

Toilet flange below floor surface.

Oatey 1 2 inch toilet flange spacer. If the toilet flange is above even or up to 1 4 inch below t. Since the flange stops at the surface of the floor the wax seal is further down from the toilet itself. 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.

Above the existing flange. If your toilet flange is more than 1 4 in. Doubling up the wax ring isn t a good solution because excess wax can squeeze into the pipe and restrict flow. If your floor surface is more than half an inch above the closet flange in my case 1 25 you must extend the flange so it s flush with the new floor surface.

A closet flange extender or spacer ring s with flexible gaskets can do that job. In most cases the floor of a bathroom is tiled and in this case the tiling is done after the flange is installed. When you are replacing a wax ring check the toilet flange height in relation to your flooring. When the toilet was removed the toilet wax ring was still in its original shape.

Here you can see the results of a toilet having been installed on a toilet flange that is below the floor level. The process is generally the same but the flange is secured down before the floor is finished.