With the toilet flange in place you are ready to install the toilet with a new wax ring.
Secure toilet flange to rotted floor.
Flush the toilet to empty the tank.
Attach using your used or new screws and bolts.
Screwdriver use a multi bit screwdriver to loosen screws and remove the toilet.
Put the toilet mounting bolts in the flange pointing up and use some wax from the old wax ring to hold them in place.
The new bolts will secure the flange against the bottom of the toilet.
If a proper seal is not achieved it will result in leaking.
Lift the toilet off the flange and set it aside.
If the flange is lower than or flush with the floor they make foam rings that cover the distance for a proper seal.
Slide the two closet bolts in their slots and align their caps with the holes.
Screw the new flange to the floor using a screwdriver and the new screws that came in the product package.
Remove the two closet bolt nuts securing the toilet base to the floor.
3 remove the two hold down bolts one on either side of the toilet.
Wrench this is needed to unfasten the existing bolts on your toilet and around the flange.
Cut out a new piece of subfloor from the proper size plywood or particle board.
If using a plastic flange ring be careful not to crack the ring by screwing the anchors in too far.
Wax ring this secures the flange to the base of the toilet.
If you discover minor rot around the toilet flange install a closet flange support under the flange to transfer the weight of the toilet to solid wood.
This is so the wax ring seals properly to the flange and the hub on the toilet.
Make sure that there are no spaces between the flange and the floor before screwing it into place.
You can leave the new toilet flange off stub the new soil pipe up to the floor and then install the new flange after you have finished repairing the floor.
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.
Screw the new flange into the subfloor.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
Soak up the last of the water inside the tank with a sponge wringing it out into a bucket.
Closet toilet flanges must be 1 4 above a finished floor.