Went To Change Wax Gasket, Flange Cracked! - Plumbing - DIY Home Improvement | DIYChatroom
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Old 06-02-2015, 12:26 PM   #1
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Went to change wax gasket, flange cracked!


This looks like a typical break right where the closet bolt goes.

House is 1991 built.

  • I can see what looks like purple primer on the pipes and seams--a little through the floor and also up through the kitchen ceiling (had to cut a 6x6" patch to inspect the drips that led me to this).
  • the "hole" looks like 3"
  • it also looks like someone re-did the bath after build as there appears (in the photos) to be grout dried over the actual flange in parts.
  • that makes me think i can't get a steel plate support under it.

I was planning on doing the entire bath in the Fall.



Is there any guidance without going into the floor heavily?
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Old 06-02-2015, 01:30 PM   #2
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Jb weld the broken piece may work as a quick temporary fix. Idk. Do you have access from underneath?

Others will be along with more advice/suggestions.
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Old 06-02-2015, 01:35 PM   #3
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yeah, i can cut through my kitchen ceiling and get at most of it. I just didn't want to do any kitchen ceiling work. Been there already for a bad overflow on the tub.

Were I to do that, it sounds like I'd have to do this:

  • cut the drywall
  • saw the waste pipe
  • lift the entire flange and pipe out of the floor upstairs
  • put an entire flange, pipe, and PVC coupling down through the floor into the waste pipe.


I think i'm going to try to put a steel repair kit on it and see if that holds. the rest looks pretty snug. And, technically it only has to last until the Fall when I demo the bathroom and start over.
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Old 06-02-2015, 05:21 PM   #4
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Unscrew the flange from the floor.
Then with a screw driver and hammer Twist the outer flange.

You have two slots for tbolts other then the broken ones. Ones at 1 oclock and the others at 7 oclock on your close up pick.

Line them up directly across from each other as your toilet would sit. Measure off the wall to center of each to get them straight.

Screw flange into floor again.

Install new T bolts Get two sets so you can bolt the new tbolts to the flange slots securely with washer.

Install the toilet.

Have a beer.
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Old 06-02-2015, 05:43 PM   #5
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Good luck with those ideas.
The right way is to cut off the pipe below the floor, and install a new flange with a stainless steel flange and a tail piece with a new PVC tail piece and a hubless connector. (fernco)
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Old 06-02-2015, 06:22 PM   #6
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One more idea--all can be done from the top with no drywall damage.
Use an inside cutter in your drill and cut the riser pipe below the hub of the flange.
Glue a 3" coupling on the remaining stub. Then glue in a 3" street flange inside the the coupling. Align and anchor the flange, then set the toilet..

Tip of the day- stuff a rag in the 90 before cutting just in case the bit comes out of the drill.....
http://www.lowes.com/pd_285724-943-3...ductId=3234579
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Old 06-02-2015, 06:31 PM   #7
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Quote:
Originally Posted by TheEplumber View Post
One more idea--all can be done from the top with no drywall damage.
Use an inside cutter in your drill and cut the riser pipe below the hub of the flange.
Glue a 3" coupling on the remaining stub. Then glue in a 3" street flange inside the the coupling. Align and anchor the flange, then set the toilet..

Tip of the day- stuff a rag in the 90 before cutting just in case the bit comes out of the drill.....
http://www.lowes.com/pd_285724-943-3...ductId=3234579
not just in case..every time we use that bit ...it falls out..
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Old 06-02-2015, 07:32 PM   #8
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My way will get him to fall. NAH NAH NAH!!!
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Old 06-04-2015, 10:41 AM   #9
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I ran into the same problem last year. I pretty much did exactly what ThePlumber has suggested. The tricky part is keeping the blade at a consistent depth so your cut is at a right angle to the pipe. Insert the cutter and choose a depth, then mark where the top of the opening is on the shaft of the cutter bit with some tape. Then just keep that tape level with the top of the hole as you cut.

After the cut, everything else went well. Make sure you know where you want your bolts to be before gluing it together!
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