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Broken toilet flange help

Posted on 11/18/23 at 11:51 am
Posted by UFownstSECsince1950
Member since Dec 2009
32797 posts
Posted on 11/18/23 at 11:51 am
Noticed a small leak around our downstairs toilet. Bought a replacement ring and figured I could do it myself.

Pulled the toilet, scraped the old wax, and noticed the plastic flange is broken. Instead of cutting that pvc closet flange out completely, can I just purchase a metal ring and bolt down on top of the broken plastic one?
Posted by Contender54
the Enn Oh
Member since Jan 2009
1068 posts
Posted on 11/18/23 at 12:33 pm to
No idea, but I'm interested to hear the DIY for this.

Is the house on a slab?
Posted by BHTiger
Charleston
Member since Dec 2017
7032 posts
Posted on 11/18/23 at 1:18 pm to
They sell inserts for uneven issues how ever it will change the depth.
Posted by GCTigahs
Member since Oct 2014
2270 posts
Posted on 11/18/23 at 2:48 pm to
Me and a buddy just did this same thing at my house last wk. The plastic rail around both bolts were broke. Called my buddy, who is a plumber, for advice on removing the flange. He came over and put a couple of the small, metal closet flange repair pieces over the old flange and put tapcons into the concrete to hold it. Very simple fix, embarrassed I called him.
Posted by rooster108bm
Member since Nov 2010
3066 posts
Posted on 11/18/23 at 3:56 pm to
If you have a Sawzall it's pretty easy to replace the old one. Stuff a rag in the pipe and make about 6 cuts inside the flange but not all the way thru to the pipe. Then take a chisel and break pieces out. Clean it up and glue a new one in.
Posted by Tigerpaw123
Louisiana
Member since Mar 2007
17617 posts
Posted on 11/18/23 at 5:06 pm to
Post a picture
Posted by UFownstSECsince1950
Member since Dec 2009
32797 posts
Posted on 11/18/23 at 5:15 pm to
Posted by UFownstSECsince1950
Member since Dec 2009
32797 posts
Posted on 11/18/23 at 5:16 pm to
Maybe I don’t even really need to worry about it since the original plastic flange is still sturdy. I might be ok with just sticking a new ring on top and calling it a day?

ETA: nvm on that thought, since the plastic piece that is broken would hold the toilet bolt.

This post was edited on 11/19/23 at 1:27 pm
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5596 posts
Posted on 11/18/23 at 8:19 pm to
Though the proper way to repair is to do as rooster108 described and cut the flange out, I used this metal repair flange by Danco - buy at Home Depot. There are several Y/T videos on installing. One to get you started LINK.

It will be rock solid. I assume that is a concrete floor, so you need to drill holes with a concrete drill bit, and then use Tapcon concrete screw to anchor it to the floor.

This post was edited on 11/18/23 at 8:21 pm
Posted by Clames
Member since Oct 2010
17745 posts
Posted on 11/18/23 at 8:24 pm to
quote:

Instead of cutting that pvc closet flange out completely, can I just purchase a metal ring and bolt down on top of the broken plastic one?



I bought one of these years ago just so I would have to deal with this misery the hard way again.




Slitting with a recip saw and cold chiseling it out to cement in a new flange is about the only other proper fix. Bolt on flanges are extremely hit or miss.
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
35151 posts
Posted on 11/18/23 at 10:33 pm to
I have used one of these, installed it a few years back.

Posted by slacker130
Your mom
Member since Jul 2010
8618 posts
Posted on 11/20/23 at 9:41 am to
quote:

If you have a Sawzall it's pretty easy to replace the old one. Stuff a rag in the pipe and make about 6 cuts inside the flange but not all the way thru to the pipe. Then take a chisel and break pieces out. Clean it up and glue a new one in.


I did this last year. Not as difficult as I was expecting.

I tried all the other "easy" fixes I could. Toilet was still leaking. Did the new flange and guess what, toilet was STILL FREAKING LEAKING!

Turns out the brand new toilet had a hairline crack that allowed a couple of drips a minute. I spent nearly 40 hours of my life trying to source the water. Food coloring in the toilet bowl without flushing helped diagnose.
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