Questions tagged [flange]

A flange is typically a flat part (rim) at the end of a pipe to allow attachment to the pipe itself. Common to drain pipes, like toilets. Use with the [plumbing] tag. Use with [toilet] or [pipe] as needed.

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Cast iron toilet flange

I have a home built in the late '70s with cast iron toilet flanges. It appears to have cast iron flanges with 3" stubs into 4" cast iron pipes. I haven't seen any information on this setup ...
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2 votes
1 answer
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Fix toilet flange in concrete or leave it?

Getting ready to do a levelling/flattening pour on bathroom floor but need to decide what to do with the flange first as it is was put in too low originally. The floor around the flange shouldn't be ...
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How can I secure a toilet flange with damaged subfloor? [closed]

The hole in the floor around the current pipe is larger than the damaged flange, so the replacement cannot be screwed to the floorboard. Replacing that section of the floorboard would normally require ...
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Toto Unifit Adapter: Renew, Replace, or Reuse?

I'm replacing a toilet flange and 4" pipe leading to it. There is a Toto Unifit adapter on it, that's about 6 years old. Is there a way to replace the rubber gasket that meets the toilet? Or ...
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2 votes
1 answer
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Window flange obstructing J-channel, does it serve a purpose?

I ordered a custom window through a Norandex distributer. I was going to J-channel around the whole window to accept some vinyl siding. However, there's this little appendage in each corner of the ...
2 votes
0 answers
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Can I keep the old Kerdi drain flange when rebuilding a shower?

My 1 yr old shower built by the contractor started leaking like a sieve. In my efforts to remedy the problem, I ended up demolishing the whole thing to the stud while throwing out moldy drywall and ...
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Bent flange below the floor level -what is the proper way to install a flange spacer?

My flange is a little bit bent and overall not level. The result is that an extender won't sit tight on the flange and it is also a not level (higher on one side as you can see in the second picture) ...
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2 answers
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Shower arm and flange looks terrible [closed]

The hole for the shower arm and flange was put in too close to the tile. The flange sits on top of the tile and looks terrible. What can I do to improve this?
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16 votes
5 answers
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Toilet bolt broke free from floor...recommendations?

I was recently tightening the nut on a loose toilet (it was rocking) when the bolt surprisingly broke free and came up. There was no real "breaking free" feeling...it just seemed to be ...
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5 votes
3 answers
2k views

What hardware could I use for a rotating / swivel tv cabinet?

We're wanting to mount a TV under our covered patio. Hot tub is on the other side, so I'd like to build something like this: This would let me leave the TV protected (by facing it under the patio), ...
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How do I use the 4 screws (not the bolts) that come with the flange extender when the floor is concrete slab?

I have this flange extender and as you can see it comes with four screws that probably can be used when there is wood floor (main or upper level floor). I am installing this in the basement and the ...
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Should this toilet flange be replaced, repaired, or is it acceptable?

The toilet in my kids bathroom started wobbling so I pulled it off to put a new wax ring on and retighten the floor bolts. Once I pulled the toilet I noticed that the pipe and the inner portion of the ...
3 votes
2 answers
247 views

Replacing old toilet flange, pipe seems really messed up

I've removed a toilet that was not attached very well, and found that the flange was partially detached from the pipe. In trying to replace it, I've found that the pipe seems really messed up. I'm ...
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1 answer
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Is it better to replace this flange or install a “repair kit”?

I have noticed that sitting on my toilet feels a little crooked, and today we have removed the toilet to inspect the flange. It’s an older flange with a metal ring and PVC insert which I imagine is ...
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2 answers
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What should I do about a toilet flange that isn't tight to the subfloor?

I just installed new floor in my bathroom. I'm getting ready to install the new toilet, but I think I might have got some bad advice on how to handle the flange. Currently I have a metal/PVC flange ...
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-1 votes
1 answer
76 views

Garbage disposal flange is leaking [closed]

I removed the flange, cleaned the surfaces and used fresh plumbers putty. It still leaked. I did it all again. It still leaks. What am I doing wrong?
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2 answers
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Identifying non-standard flange fastener/nut

Can someone please identify this non-standard fastener/nut with flange. The thread is 10mm (it fits a 10mm threaded rod) and the diameter of the flange is 20mm. The thread pitch is 1mm if that helps ...
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2 answers
338 views

Do I need to repair this hole in the bottom flange of my I-joist?

The electrician made a hole in the bottom flange of the I-joist. Do you think any repair is necessary? The hole is diagonal from bottom to upper part of the flange and is about 3/4 inch. I read the ...
-1 votes
2 answers
894 views

How to ensure the wax seal on my toilet is set properly?

I recently renovated our upstairs bathroom which included a fresh new toilet. We raised the flange to flush with floor level (technically a hairline above) and placed the wax gasket to the base of the ...
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0 answers
35 views

Is There a Toilet Plate Designed to Secure Traditional Floor Design to Back Wall

Is there a solution available which enables someone to secure a traditional floor mounted toilet bowl adequately to the wall behind it? I would love a commercially produced oversized toilet plate ...
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1 answer
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How to anchor floating toilet flange

I have a cast iron toilet flange that sits about .4 inch above a 3/4" plywood subfloor. It feels very solid, but it is not anchored to anything. There are two empty holes in the flange for ...
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Do I need to remove a lead riser from my toilet flange area to install a PVC flange?

I am replacing my toilet and after researching I found the flange is covered by a lead riser that is bent, folded, over the flange to hold it down. I unbent it so I could remove the flange before I ...
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1 answer
85 views

Iron toilet flange problem

I have a cast iron toilet flange that no longer holds the flange bolts. The area corroded just enough that the bolts will no longer slip into a secure position. The rest of the flange is too secure to ...
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1 answer
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What Size Toilet Flange for 3 1/2" ABS Pipe?

I'm trying to purchase the correct toilet flange but having difficulty. The bathroom was roughed in years ago in ABS and we are trying to finish it out. As a I measure the toilet waste pipe, it ...
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1 answer
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What do I do about re-seating this old flange?

Not a big DIY'er historically, getting into it..anyways, figured replacing this toilet would be straightforward but my house is from the 1950's...anyways, removed the toilet to find the following...in ...
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1 vote
4 answers
2k views

Cast iron pipe is too low to a use gasketed toilet flange replacement

While removing the toilet the The previous flange came off with it. We suspect that is what was causing a leaking issue on the ceiling below. So we went to replace it with an extender flange but the 4 ...
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3 answers
2k views

How do I fix this toilet flange?

Basically there is a PVC flange that was glued to the inside of the pipe. The problem was that the metal flange that was on the outside was so completely bent that the bolts no longer stayed inside. ...
-1 votes
1 answer
165 views

install toilet flange extender after subfloor is installed or after finish floor

Toilet flange is too low and needs a flange extender. Should it be installed after the subfloor ( the layer under the cement board for the tiled floor) is in place since it needs to be fastened into ...
0 votes
0 answers
368 views

Toilet flange is too long and can't lower pipe in floor

I have new plumbing installed for a new toilet. However, the 4" pipe is too close to the floor so the toilet flange (not yet installed) is too long and sticks above the finished floor about an inch. ...
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Replacement of toilet on wooden block

I am trying to replace a toilet which is on top of a block of wood. Before I uninstalled the old toilet, I thought that I would be able to remove the block of wood but now that I have removed the old ...
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1 answer
411 views

What is this ridge inside my toilet flange? Do I need to replace it?

Does this toilet flange need to be replaced? There is a weird gap within the pipe and I can't tell if its because the flange needs replacement or normal.
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429 views

Shower Flange Threading

I had to replace my valve stem on my shower, it was an older style with the 3 knobs (hot, diverter, cold). I have the valve stem out and replaced but trying to re-attach the Flange is for some reason ...
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3 answers
818 views

Toilet too high

Set a toilet flange before laying tile, overcompensated by almost 3/4". I cut some plywood to wedge under it, and my only thought is to run a very thick bead of caulk in the gap and hope I make it ...
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1 vote
1 answer
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Dealing with a broken toilet flange on PVC pipe

So I'm about to tile my bathroom floor but the toilet flange broke and can't get it out I tried with a chisel and hammer but I think I got the pipe to so how can I fix this situation I got here
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2 answers
286 views

Toilet flange no longer over pipe

My toilet was leaking a bit from the base so I figured maybe the wax ring needed replacing. I took the toilet off the flange and saw something that doesn't look quite right. The flange is case iron ...
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2 answers
714 views

Attaching toilet flange through tile and uncoupling membrane

I understand that the toilet flange should sit on the finished floor. I've got porcelain tile on top of a Ditra uncoupling membrane for waterproofing. To attach the flange securely to the sub-floor, ...
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2 answers
2k views

How to repair toilet flange that is glued and recessed

I installed new flooring. The existing toilet flange is recessed - see picture. The flange is glued into and existing outlet and I don’t see a way of removing it without cutting the pipe lower down ...
3 votes
1 answer
182 views

Flange recommendation needed. Old flange rusted. New floor higher than older pvc pipe lip

I recently removed the tile and a toilet for a bathroom reno to discover that the flange was completely rusted and the tile had been installed directly on the plywood subfloor. I removed the old ...
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1 answer
2k views

Securing a toilet flange on top of ceramic tile

Most suggest that a toilet flange sit on top of tile so that the bottom of the flange is flush with the ceramic tile. If that is so, how is the flange attached to to subfloor as the flange holes will ...
1 vote
1 answer
160 views

Toilet flange issue. Any hope?

The last plumber suggested glue-ing (caulking) the toilet to the floor without any bolts. Is that the best solution for this ? Attaching the photo. The old flange does not gap to fit in the screws / ...
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ABS offset toilet flange dilemma. Suggestions to make my 11" rough-in into a 12" rough-in. USA

Recently I started a thread to get advice on how to move a flange for a toilet so that I can wind up with a 12" rough-in when I'm done. It's problematic since I can't really work with the ABS under ...
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2 answers
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Help locating a 4x3 offset spigot flange for toilet? Or suggestions for my offset flange dilemma? USA

I am in the midst of remodeling a bathroom and have removed all the previous flooring and am down to the joists. I am putting down 3/4 plywood, cement board and then 1" hexagon tile. I'm having ...
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5 votes
5 answers
18k views

How can I secure this faucet: the pipe is not secured inside the wall

The pipe leading to this exterior faucet was apparently never secured inside the wall (contractor mistake when the wall was built): So it pulls in and out in use, and no doubt lets rain water drip ...
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1 answer
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Is there a problem with this toilet flange or flange installation?

We have had all sorts of problems with our toilet (the builder and plumber have been out five times). Leaking issues, toilet rocking back and forth, wax rings installed incorrectly. My question is, ...
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2 answers
6k views

Is my toilet flange too high off the ground?

Recently had my floors redone in a bathroom and the toilet flange seems to be a little high off the new tile floor. What are my options?
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2 answers
4k views

How can I extend an offset toilet flange when tiling?

I am about to tile a bathroom floor. I was dry-fitting some concrete board when I realized I don't know how the toilet will reconnect once the floor is higher. The old floor was a thin layer of vinyl ...
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3 votes
1 answer
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How is a toilet flange attached to new flooring?

Doing a complete remodel on upstairs bathroom. New tub is set, putting down Hardi backer on the floor. Do you cut the hole in the backer board around the sewer pipe to fit right up to it, or do you ...
1 vote
2 answers
3k views

Toilet leaking at mounting bolts when flushed

I have replaced two wax rings and I still get an ounce of water up from the Johnny bolt on the right side. I replaced the flange, had to chisel out an old rotten cast iron flange, inserted a plastic ...
2 votes
2 answers
2k views

How do I replace bolts for my toilet that were concreted into the original flange?

This is a pic of one of the bolts. But I don't see a channel for it to turn/slip out of. The toilet I bought needs longer bolts.
2 votes
2 answers
19k views

Does a toilet have to be level front to back if the toilet doesn't rock and the flange tilts too?

I am swapping out a toilet. The old toilet, a round bowl with a squared front, was shimmed like crazy to get it perfectly level. I dry fit the new elongated bowl toilet to the flange to see what I ...
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