Next install a new wax ring.
How to install a toilet flange on cement floor.
Line the bolts up on the sides of the bowl and gently place the toilet on the repaired flange and press to the floor.
Fit the flange over the pipe to place it flat against the concrete floor.
Use tapcon anchors or a similar type of masonry concrete screws to fasten the toilet flange to the concrete slab.
Use a pencil or grease pen to mark the drill holes around its.
Clean up around the bottom of the toilet and place the new wax ring on the repaired flange.
Pick up the toilet again bending at the knees and not the back.
Screw down the flange with a masonry drill and then fit the heads of locking bolts into the grooves on the flange.
With the toilet flange in place you are ready to install the toilet with a new wax ring.
This is basically a durable plastic ring which fits over the drainage pipe to create a place where the toilet can gain solid purchase.
The flange should be placed over the pipe so it lays flat against the concrete floor.
Rest the toilet bowl on its side place it on a towel or cloth to protect the floor and attach the replacement wax ring to the bottom of the bowl this technique helps ensure the ring is in the proper position when placing the toilet over the flange.
Screw the toilet flange onto the concrete.
There are two options this step.