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Old 12-29-2015, 10:58 AM   #1
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Toilet Flange Question


I was wondering what I should do to properly seal this toilet flange? It's in the basement and set in concrete. I know the flange ring is broken but the bolts are set in the concrete so they're plenty strong. It seems like wax rings just fall down in the hole. Thanks.

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Old 12-29-2015, 12:31 PM   #2
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You need to install a new closet flange period.



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Old 12-29-2015, 05:35 PM   #3
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That's an odd looking flange. Looks like it's missing part of the middle or it was never installed right. How was the toilet on there before? It might be able to be made two work by stacking rings but in reality you're going to be breaking out the jack hammer sooner then later to do it right.
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Old 12-29-2015, 07:25 PM   #4
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That is because the flange that the bolts attach to are rusted off.



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Old 12-29-2015, 07:58 PM   #5
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That part is clear enough. Im talking about the inner diameter of that flange being way to big. Even if the outside wasn't rusted off whole rings would drop right down the flange. it looks like with that flange the cast pipe should have been brought flush with the floor, the flange put in place over the pipe and a lead joint poured. The lead joint and the pipe would bring the ID down to 4" and be what the ring actually sits on and seals too.
Another possible temporary solution here is to chip away the remaining ring, insert a repair flange down there and anchor it to the cement.
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Old 12-29-2015, 11:08 PM   #6
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Toilet Flange Question


Looks like a standard 4" I.D. to me. Smartphones play tricks on the eye, because the lense distorts images.

That concert patch that was poured, was most likely beveled upwards. I personally would chip it out and put in a new Closet Flange. Fernco makes the doughnuts for PVC to Cast. If the El is corroded, it could end up with more to replace.




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Old 12-29-2015, 11:44 PM   #7
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IMO- what you see is a 4" pipe that is too short from the get-go.
The pipe should be flush or a tad below the flange- not 2" as shown in another image.
Get one of these flanges. They are made for your condition- no need to chip concrete.
See the PDF file in the link--

http://www.oatey.com/products/drains...-closet-flange
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