Use tapcon anchors or a similar type of masonry concrete screws to fasten the toilet flange to the concrete slab.
Installing a toilet flange over a tile floor.
Set your toilet flange into position on top of the tile with the back holes lined up parallel to the wall behind and the two slots parallel to the two walls on each side of the toilet.
They re super easy to install.
With the toilet flange in place you are ready to install the toilet with a new wax ring.
Let s answer the wax ring question.
Connecting a new toilet flange starts with removing the toilet to expose the flange underneath.
To get the necessary clearance from the floor you can add a toilet flange extender which is quick and easy to install.
There are typically several bolts that hold the toilet in place against the wax seal and flange so be sure to loosen those first and save the hardware for later if you intend to reuse it.
If you recently tiled or changed the bathroom flooring the flange height is likely less than optimal.
Since the flange stops at the surface of the floor the wax seal is further down from the toilet itself.
A toilet drain flange can sit above or below the finished floor level.
Does the wax ring on the flange or bottom of the toilet bowl.
In most cases the floor of a bathroom is tiled and in this case the tiling is done after the flange is installed.
This may lead to more leaks over time.
If using a plastic flange ring be careful not to crack the ring by screwing the anchors in too far.
Here s a video on how to install a toilet flange on tile floor.
Screw the toilet flange onto the concrete.
This replacement flange is for broken flanges or flanges that sit below the finished tile floor.
Once the flange is fixed the next step is to replace the toilet.
The installation process is the same for a tile floor a hardwood or carpeted bathroom floor.