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Repairing rusted toilet flange? #4480793
08/06/17 12:05 PM
08/06/17 12:05 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey

I need to repair a rusted toilet flange. I have access from the basement and could cut the existing 4 in. Sch. 40 pipe, add a coupler and put in a complete new closet flange. The other way is using the Oatey Moss Bay replacement flange, much less work if all goes well.

However, I picked one up at Lowes and although its supposed to be stainless steel it looks suspiciously like zinc plated steel to me and doesn't say stainless steel anywhere on the flange or packaging as with other Oatey products. Could Oatey be pulling a fast one here and quietly substituted a lower quality material, has anyone used this flange?

https://www.oatey.com/2374591/Product/Oatey®-Moss-Bay-Replacement-Flange

Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4480825
08/06/17 12:34 PM
08/06/17 12:34 PM
Joined: Nov 2006
Posts: 174
massachusetts
wog Offline
wog  Offline
Joined: Nov 2006
Posts: 174
massachusetts
I have used both ways make sure Oakley is screwed down good or it will loosen.if you can cut pipe you get more secure connection ,make sure screw heads are big enough to keep new flange tight. Good luck!

Re: Repairing rusted toilet flange? [Re: wog] #4480836
08/06/17 12:45 PM
08/06/17 12:45 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey
Originally Posted By: wog
I have used both ways make sure Oakley is screwed down good or it will loosen.if you can cut pipe you get more secure connection ,make sure screw heads are big enough to keep new flange tight. Good luck!


Cutting the pipe is possible, but I'm not sure the best way to get a clean, square cut on a 4 in. pipe.

Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4480852
08/06/17 01:02 PM
08/06/17 01:02 PM
Joined: Apr 2014
Posts: 1,338
South Central PA
Delta Offline
Delta  Offline
Joined: Apr 2014
Posts: 1,338
South Central PA
Originally Posted By: Rock_Hudstone
Cutting the pipe is possible, but I'm not sure the best way to get a clean, square cut on a 4 in. pipe.


Reciprocating saw with a long metal cutting blade for a smooth cut, just have to hold it as level as you can.

But before you do that, I recommend this repair flange from Danco. We sold these at the building supply and they did real well.

http://www.homedepot.com/p/DANCO-HydroSeat-Toilet-Flange-Repair-10672X/204403879


'17 VW GTI 2.0T - 6MT - 10K - Edge 0w40
'15 Camry SE - 2.5 - 21K - PP 0w20
'99 S10 - 2.2 5MT - 156K - PP 10w30
Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4480859
08/06/17 01:07 PM
08/06/17 01:07 PM
Joined: Nov 2006
Posts: 20,562
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,562
MA, Mittelfranken.de
As you say I don't see where it has stainless on the package either only the Lowes description which has "strainer" stainless which is an obvious misprint, I would assume zinc plated.


ASE L1, Master. Deutsch Meisterbrief.
Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4480919
08/06/17 01:59 PM
08/06/17 01:59 PM
Joined: Dec 2016
Posts: 7,117
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,117
Waco, TX
For a perfectly perpendicular cut on a pipe, Wrap a piece of card stock around it (a file folder works well) to make your mark.

A hose clamp also gets you pretty close.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4485080
08/10/17 06:41 PM
08/10/17 06:41 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey
Originally Posted By: Rock_Hudstone
However, I picked one up at Lowes and although its supposed to be stainless steel it looks suspiciously like zinc plated steel to me and doesn't say stainless steel anywhere on the flange or packaging as with other Oatey products. Could Oatey be pulling a fast one here and quietly substituted a lower quality material, has anyone used this flange?

https://www.oatey.com/2374591/Product/Oatey®-Moss-Bay-Replacement-Flange


Well, as I suspected, these repair flanges are galvanized steel, not stainless. At least the Sioux Cheap version at Home Depot, which is identical right down to the stamped patent # of the Oatey brand.

Galvanized, while better than epoxy coated steel is still a step down from stainless in my opinion, especially in that location.
Moreover, it appears to be an electro plated galvanized rather than hot dipped.

Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4485651
08/11/17 10:53 AM
08/11/17 10:53 AM
Joined: Feb 2017
Posts: 79
NY
2dogs Offline
2dogs  Offline
Joined: Feb 2017
Posts: 79
NY
I recently installed a toilet using the flange that Delta posted a few posts up. Very simple even for a complete novice like me.

Re: Repairing rusted toilet flange? [Re: Rock_Hudstone] #4485663
08/11/17 11:05 AM
08/11/17 11:05 AM
Joined: Aug 2003
Posts: 11,012
Buffalo, NY
JTK Offline
JTK  Offline
Joined: Aug 2003
Posts: 11,012
Buffalo, NY
I too would use the flange Delta suggested, or given the piping is exposed and easily accessed by the basement, I'd cut it out downstream of the flange and couple plastic to it with a Fernco rubber coupler and go with plastic right up to the toilet like you stated. I've gone this route before. I'd use one of those nifty urethane seal donuts too as opposed to a wax ring.

Last edited by JTK; 08/11/17 11:08 AM.

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