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Old 08-01-2013, 10:03 PM   #1
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Installing new toilet over old rusted flange


Hi, I took out an old toilet expecting to see a nice pvc flange, and this thing showed up
It has what look like 2 plastic anchors where bolts are supposed to go.
Should i just get extra thick wax ring and go over and screw through those anchors with old L shaped screws? or something better?

Installing new toilet over old rusted flange-image-3000421832.jpg

Thank you all!

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Old 08-01-2013, 10:07 PM   #2
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Installing new toilet over old rusted flange


Is this in a slab floor, or can you get to it from below?

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Old 08-01-2013, 10:18 PM   #3
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Installing new toilet over old rusted flange


I won't be able to get under it. Also forgot to mention that tile is about 3/8 higher than flange.
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Old 08-02-2013, 06:28 AM   #4
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Installing new toilet over old rusted flange


A repair ring like this and some Tap Con screws and you'll be good as new with a new thicker wax ring.
http://www.bing.com/images/search?q=...electedIndex=8
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Old 08-02-2013, 06:41 AM   #5
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Installing new toilet over old rusted flange


Thanks, but what do i screw this ring to? there's tile pretty tight around the current flange.
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Old 08-02-2013, 06:49 AM   #6
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Installing new toilet over old rusted flange


The screws go through the old flange into the concrete.
If need be a 4-1/2" grinder with a diamond wheel can cut the tile back.
But looks like you have plenty of room.
These rings are sold at any box store, hardware store and plumbing supply.
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Old 08-02-2013, 06:59 AM   #7
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Installing new toilet over old rusted flange


Sounds easy, I'm worried about drilling through this rusty old flange, but hopefully will work out. 2" screws ok?
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Old 08-02-2013, 07:23 AM   #8
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Installing new toilet over old rusted flange


Sound a lot easier than it is wait for more replies like eplumber before you start drilling that old cast. It could crack or the flange break then you'd be s--- out of luck. Relax someone with many years of Plumbing experience will also guide you , besides once you screw that flange in you still have to get bolts to slip under it to hold the base. Think about it. If I am wrong please set me straight so I can learn more also.
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Old 08-02-2013, 07:50 AM   #9
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Installing new toilet over old rusted flange


Sorry Cold, the repair flange I posted a picture of is made so the middle of the ring is not tight to the floor so the bolts can slip in.
While cast is brittle it's sitting in a bed of concrete so drill through it will have no effect on it. The new flange has holes for the screws that are outside of the metal flange area so just drilling into the concrete with a masonry bit with a hammer drill should work fine.
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Old 08-02-2013, 08:01 AM   #10
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Installing new toilet over old rusted flange


Hi Joe, not to be argumentative with you just discussing the best way. I might be wrong but I have seem the flanges you pictured and they were completely flat so unless I am missing something.

Do they make the new flanges with raised area to slide the hold down bolts on? Because the way I see it once you screw that new flange over the old cast flange it will be tight against the flat surface of the cast. Wrong or right?
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Old 08-02-2013, 08:01 AM   #11
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Installing new toilet over old rusted flange


Looks like the one my next door neighbor had, when we pulled her toilet. If you have extra tile, or can still find that same tile, I would pull enough back, cut the floor, then do a correct fix. Now of course the big question is, how much of the cast is thin on the walls, and ready to go also.
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Old 08-02-2013, 08:04 AM   #12
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Installing new toilet over old rusted flange


Ok, i will try NOT drilling through, but just around the flange.

Question: why not just stick wax ring over this and use old L-shaped screw?
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Old 08-02-2013, 08:07 AM   #13
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Installing new toilet over old rusted flange


OH! I might be brain dead this morning the new flange is larger than the cast and the hold down slots are outside the cast flange? I'm trying to picture that. The flange with the hold down slots would be outside the holes in the bowl base and not line up..........
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Old 08-02-2013, 08:10 AM   #14
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Installing new toilet over old rusted flange


Quote:
Originally Posted by yuriy128 View Post
Ok, i will try NOT drilling through, but just around the flange.

Question: why not just stick wax ring over this and use old L-shaped screw?
Why not? Didn't know you had that capability. Got to start reading better. I would look for new L shaped screws , always replace any hardware when repairing or replacing a toilet the old is not worth it.
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Last edited by COLDIRON; 08-02-2013 at 08:12 AM. Reason: added text.
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Old 08-02-2013, 08:21 AM   #15
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Installing new toilet over old rusted flange


The outside of the repair flange is bigger on the outside, the inside where the slotted holes are is the same bolt pattern as the old flange.

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