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Old 02-14-2016, 01:48 PM   #1
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Closet flange repair


Hi, all.

What's my best option to repair this closet flange?

Everything you see there is rock solid. I won't have room to place that Fernco crescent underneath the flange. Can it be placed on top of the flange and if so, are fasteners through the flange enough (it's about 1/4" thick cast iron) or would they need to penetrate the subfloor? Or is another repair kit preferable? Thanks.

Tom
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Old 02-14-2016, 01:52 PM   #2
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can you drill and bolt down the repair piece ontop?
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Old 02-14-2016, 01:55 PM   #3
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Any access below that floor?
If it was mine I'd be getting rid of every inch of that old cast iron I could.
At a minimum cutting it off below the floor and installing a new flange.
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Old 02-14-2016, 01:55 PM   #4
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Quote:
Originally Posted by WhatRnsdownhill View Post
can you drill and bolt down the repair piece ontop?
Yes, that's my question.
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Old 02-14-2016, 01:57 PM   #5
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Quote:
Originally Posted by joecaption View Post
Any access below that floor?
If it was mine I'd be getting rid of every inch of that old cast iron I could.
At a minimum cutting it off below the floor and installing a new flange.
Unfortunately, we're beyond the point of that happening.
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Old 02-14-2016, 02:00 PM   #6
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you can try something like this. http://www.amazon.com/Oatey-43539-Fl...ge+repair+kits
but your gona have to be brave and break off the rest of the flange if the new flange sits too high...the best long term repair would be to replace the cast iron pipe..
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Old 02-14-2016, 02:00 PM   #7
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Quote:
Originally Posted by TALDE View Post
Yes, that's my question.
if you can that will work...
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Old 02-14-2016, 02:03 PM   #8
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I had a similar problem with a broken cast iron closet flange. I watched a U-Tube video from This Old House on how to remove a damaged cast iron closet flange using a cold chisel, and I was successfully able to remove my flange and replace it with an expansion style flange that used stainless steel bolts to tighten the flange around the pipe. There were a few tense moments whacking the old closet flange, if you break the cast iron pipe that would be serious trouble, but in the end there were no issues.
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Old 02-14-2016, 08:02 PM   #9
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Quote:
Originally Posted by Daniel Holzman View Post
I had a similar problem with a broken cast iron closet flange. I watched a U-Tube video from This Old House on how to remove a damaged cast iron closet flange using a cold chisel, and I was successfully able to remove my flange and replace it with an expansion style flange that used stainless steel bolts to tighten the flange around the pipe. There were a few tense moments whacking the old closet flange, if you break the cast iron pipe that would be serious trouble, but in the end there were no issues.
Yeah, this was kind of an odd elbow with two side inputs -one for the shower drain and one for the sink drain. At some point, I decided it was way more trouble than it was worth. I decided on repairing instead of replacing.

Thanks for the replies.
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