The bottom of the flange must be flush with the tile no gaps or it could end up too high.
Toilet flange concrete floor tile.
Screw the toilet flange onto the concrete use tapcon anchors or a similar type of masonry concrete screws to fasten the toilet flange to the concrete slab.
You can use a portable hacksaw to cut the soil stack with ease.
Toilet flange repair is one of those things you don t know you need it until you see a leak or see the flange when replacing a toilet.
One of my favorite supplies when removing toilets is oatey liquilock.
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.
If you ve already laid your flooring and the toilet flange is too high or unlevel there are a few things you can do.
Give the grout 24 hours to dry and sand down the rough edges.
First you can pack grout into the gap between the floor and the flange.
This video how to install toilet flange above tile on concrete floor or concret slab shows the process of installing toilet flange above porcelain tile or ov.
This turns your toilet water into a gel and prevents the water from spilling on your floor.
With the toilet flange in place you are ready to install the toilet with a new wax ring.
The seal is engineered to work best with the flange on top of the finished floor.
At first you will require to cut the toilet flange s soil stack to make it even with the concrete floor.
Second you can raise your floor by laying down thicker tile.
Since the flange stops at the surface of the floor the wax seal is further down from the toilet itself.
If the bolts coming out of the concrete are still solidly in place and long enough then they can be used as is.
The correct location of the flange is on top of the finished floor.
In most cases the floor of a bathroom is tiled and in this case the tiling is done after the flange is installed.
You don t want a large wax depth from having it too low and if it is too high the toilet will rock.
If using a plastic flange ring be careful not to crack the ring by screwing the anchors in too far.
I had to complete a couple of toilet flange installs on a concrete floor.