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Wrekdoll 09-21-2013 09:06 AM

Cast Iron toilet flange advice
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I have gutted my bathroom as part of a remodel and am unsure how to deal with this flange. I would like to remove the flange so I can get the floor decking down but I don't know where I should remove it...
the flange is leaded in and I have seen that that can be drilled out but as you can see in the photo there is a rubber seal (in red box) where I think I could just pull the flange and vertical riser off, seems alot easier then the drilling option. so assuming I go that route what parts would I use to replace the vertical riser and flange? should I put in pvc/abs or stick with the cast? can the rubber seal be reused, if not is there some kind of adapter that is used to convert to plastic pipe at that junction?
Any advice is greatly appreciated.

joecaption 09-21-2013 09:42 AM

If it was mine I'd want to get rid of all the cast iron. At some point it will leak and the insides are by now so rough with rust it may cause it to plug up more often.
With a chain cutter it will snap right off where you want to start the PVC.

oh'mike 09-21-2013 10:02 AM

If the hub has a rubber doughnut,as it would appear., wiggle and tap the flange and pipe out of the hub----then get the right hub doughnut for the iron/pvc and change it out to PVC----

Should not be to difficult----just avoid getting to violent and knocking something loose that you don't want to--------

Wrekdoll 09-21-2013 06:57 PM

Would like to take out all the cast but that is a bit more project then I am willing to take on at this point. Think I will go the donut route. Went and looked for parts at the HD but they had no 3" donuts so I guess it's off to the plumbing supply Monday. Thanks for the direction

oh'mike 09-21-2013 09:09 PM

Your iron drains are probably fine ,if the picture is typical of the rest of the house---rubber hub connections tell me that the house is not that old----

Wrekdoll 09-24-2013 04:57 PM

Yep , checked all the cast fittings I could see and they are similar to that one.
The old flange and pipe came out pretty easily, existing hub seems to still be in good shape, no flaking or tearing. Guess I should probably replace it while I can though...
Rest of the job seems pretty easy except for figuring out how to get a nicely fitted hole in the sub floor at the proper location.
Thanks again!

Ghostmaker 09-24-2013 05:59 PM

Measure your center off the back wall and the side wall mark and drill with a hole saw.

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