How To Repair Broken Toilet Flange Cast Iron
- #1
I accept removed my toilet to install tile flooring. During the removal of the quondam tile, I damaged the cast iron flange and figured, no problem, I'll just supercede it. Upon closer inspection, I realized that the flange is practically integral to the cast iron elbow bleed pipe. So, at present I have a damaged flange and I'm not certain which direction to go next.
The flange appears to exist virtually 4" I.D. and the drain pipe measures nigh 3" I.D. Between the flange inner circumfrence and the outer circumfrence of the drain pipe, appears to be about a 1/2" filler of a very semi-hard, maleable, metallic substance (lead?).
Should I continue breaking off the flange and go out the rings and and so install a flange fixer over acme? Or, should I try to bang the whole flange assembly off so that I can install a new one? 
See attached photo.
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flangepic.jpg
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jadnashua
Retired Defense force Industry Engineer 30
- #5
If information technology is a four" piping, you lot can get a flange that fits within. If it is iii", you must get outside. Either style, the best is to lead a new one on. Failing that, they brand cast iron ones with neoprene gaskets and expanding clamps to hold information technology onto or into the pipage. Information technology should fit on Acme of the finished floor and exist anchored to it. If you are tiling, you tin can notch the tile before laying them effectually the hole, so avert having to try to drill through a hard porcelain tile.
- #12
I only removed the old collar (it was well below the finished flooring, and tilted), cleaned it upward, and I would like to take it leaded dorsum in place. Will it be a problem if the pipe is below the top of the collar, by a half inch or and then? The photo doesn't show the difference in superlative, to well.
Any help would be appreciated
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- #15
To offset , you need to have the existing lead surfaces make clean of any dirt/wax and shiny before it will accept whatsoever type of soldering/leading. So I would highly recommend a brass repair flange that has a collor approx. 2" long. Get some lead bars that is suitable for your project. At that point you tin start to build up your existing lead bend to the new flange.
Circumspection: y'all need to be very careful when heating the existing atomic number 82. You could potentially cook the lead to the point of no return.
In most cases, its just simpler to replace the atomic number 82 with PVC or ABS (depending what is mostly available in your area). Information technology would final you equally long as y'all own the firm
EDIT: I but desire to clarify the material that is below that flange. I'm under the impression that it is a lead bend. Or am I mistaken?
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- #xvi
Not sure I follow...the closet collar and the pipe are cast atomic number 26.
Krow, I noticed your EDIT...I was in reply while you were in EDIT
I can see the confusion (in the photo the bend looks like it may be lead (jagged edges, non a clean cut), the original plumber must have adjusted the length via hammer.
The bend is cast atomic number 26.
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- #17
My Bad. I was under the impression that it was a pb bend.
In that case, yous would demand to extend the lower hub to have the new cast iron flange to the proper pinnacle. Or place a spacer for any missing pipe. You would not be able to brand a water tight seal on ane/two" space and the oakum would get pushed out or the lead would flow out of the joint
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- #xviii
So I should non re-use the existing closet neckband?
When you say "lower hub", are you referring to the bend/piping? There is only ii pieces/parts in total, the cupboard neckband and the curve/pipage that runs to the stack.
I am not a plumber then delight experience gratis to right my terms.
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jadnashua
Retired Defence force Industry Engineer xxx
- #19
If the existing pipe is now but about 1/ii" brusque, you lot still have plenty of length to get a adept leaded joint. Yous should yet have nearly a couple of inches of overlap between the flange and the pipe. Now, having the tools to do information technology may be expensive, and so having a plumber do information technology for you may end upward cheaper.
Depending on where you lot live, there is an elastomeric production that can exist used to make that articulation. You nevertheless apply oakum, but then you utilize the sealant. If I remember, you need three layers of oakum/sealant. This may be cheaper. the last (and only) time I tried this, it was both hard to observe, and the tube I did detect was really old, and it wouldn't flow out the caulking gun. I ended up returning it and cutting the CI out and switching to pvc. A pro may accept been able to do information technology, but information technology was Christmas time, I was remodeling my mother'south bath (400miles from home), and I couldn't wait (nor did I want to pay the OT for the task). If I'd had more room, I might have been able to brand it work. Didn't want to crack out the plaster, and information technology was close to the ceiling and a joist, so admission was severely restricted. Y'all don't take that problem.
- #20
Yep, I'd say it is nigh a half inch below (jagged edged every bit information technology may be) the top of the closet neckband.
I do have full access (ranch style house), so that is a plus.
I just got back from the big orange box store, and all they have to offering is a Sioux brand, white PVC button in retrofit ($15.71). I have as well looked at the Oatey PVC closet collar retrofit (less than $3.00).
The Sioux brand would go into the existing pipe a good 4 inches, and I would make certain that information technology has a solid and level connection to the floor. Are these retrofits really a bad thought? The master plumber at the big box said the seal on the retrofit is only to block sewer gases and there should be no leakage issues if installed correctly.
I am non afraid to pay a plumber to lead the existing cupboard collar back in place, nevertheless the chief plumber at the large box said I wouldn't notice anybody in my area that would even do that type of repair.
The (baby bluish cast fe retrofit looks like a dainty unit of measurement), only where can I buy one, and is it worth the actress cost, whatever that amount may exist?
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