How to fix a cracked toilet flange
A cracked toilet flange can cause leaks through the floor and ceiling, requiring you to remove the toilet to inspect the damage. Depending on the severity, you can either install a repair flange over the old one or use a hub saver tool to cut away and glue in a completely new one.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Placing a metal repair flange on top and screwing it to the subfloor
- 2Cutting the top flat part of the existing flange off and sliding a new gasketed repair flange inside of it
- 3Hiring a plumber
- 4Using a hub saver tool to cut away the old flange and gluing in a new one
- 5Getting a repair flange to fix the damage
- 6Bending the supply line out of the way and chipping the tile
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I found a leak in my ceiling on the first floor and after a bit of investigation I cut into the wall and saw that the water was coming down from the toilet on the upstairs. I then went upstairs and removed the toilet thinking it was a leaking wax ring, but it looked like the flange itself had cracked.”source ↗
“if it's not you have to get a repair flange for the damage that's done to this one”source ↗
“Get a hub saver and cut away the old one. Get a new one abs reglue it in.”source ↗
“im installing a new toilet, and i have this thing in the way, im pretty sure I have to remove it, but i dont know how to”source ↗
Where this came up
People with this problem also raised
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