Repairing Guides

how to repair a broken toilet flange in concrete

by Ima Buckridge Published 2 years ago Updated 2 years ago
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Using your angle grinder or multi-tool, coupled with a metal cutting blade, cut the old flange free. When you remove the top piece, the rest should come out easily. Just be careful and make sure that you don’t slip while cutting the flange. On concrete slabs, the old flange should be attached to bolts embedded in the concrete.

Part of a video titled How to Fix a Toilet - Cement Sub-Flooring Repairs - Part 1 of 2
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Itself the second way to fix this problem is to cut out the damaged flanges metal ring leaving theMoreItself the second way to fix this problem is to cut out the damaged flanges metal ring leaving the ABS coupling and install an inside fitting flange. The reason this technique is suggested.

Full Answer

How to repair the toilet flange on a concrete floor?

How to Repair the Toilet Flange on a Concrete Floor PrepaTurn off the water supply at the shut off valve under the toilet tank. Remove the old supply line and discard. Straddle the toilet, bending at the knees and lift the toilet up. Put on the rubber gloves and using the scraper, remove the remnants of the old wax from the wax ring and the old toilet bolts.

How to unclog a toilet with a flange plunger?

​Unclogging the Toilet Using a Plunger

  1. Keep Stagnant Water in the Toilet Bowl. Ensure there is pooled water in the toilet bowl. ...
  2. Pull Out the Flange of the Plunger. If your flange plunger has the capped part, make sure that it’s completely pulled out of the cap. ...
  3. Fit the Cup over the Hole of the Drain. ...
  4. Grab the Plunger with Both Hand and Push. ...
  5. Pull the Cup of the Whole On the Last Thrust. ...

More items...

Can I repair a cracked toilet flange?

You can buy repair plates that fix breaks in the ring, repair rings that cover the entire flange and push-in replacement flanges that fit inside existing ones. Turn off the water to the toilet,...

How do you fix a toilet flange?

How do you fix a broken toilet flange? Hook the heads of the closet bolts to the underside of the repair plate, repair ring or push-in replacement and center them in the tracks. Place a new wax ring on the flange opening, replace the toilet and bolt it to the flange.Replace the supply hose and turn the water back on.

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Can you repair a cracked toilet flange?

Broken or Cracked Toilet Flange The fix is to replace the entire toilet flange or to use a repair kit to reinforce the broken bolt rail. Sometimes, a small amount of rocking can occur simply because the wax ring is becoming compressed from long use. Try tightening the bolts that hold the toilet to the floor.

How do you fix the cement around a toilet flange?

1:423:22How to Fix a Toilet - Cement Sub-Flooring Repairs - Part 2 of 2YouTubeStart of suggested clipEnd of suggested clipApply ABS glue to the inside of the sewer inlet. And also to the replacement flange insert the newMoreApply ABS glue to the inside of the sewer inlet. And also to the replacement flange insert the new flange into the sewer inlet. Once the flange is position with the mounting channels at the 9.

How do you replace a cast iron toilet flange on a concrete floor?

0:569:22How install a cast Iron toilet flange in a concrete floor to a cast ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou're going to need a level to see if everything's on the level. And you're going to need a sharpieMoreYou're going to need a level to see if everything's on the level. And you're going to need a sharpie. So you can make your marks on it i also have this a hammer and a chisel.

How do you install a toilet flange on concrete?

1:474:21Toilet Flange Installation on New Construction - Closet FlangeYouTubeStart of suggested clipEnd of suggested clipTo install the closet flange. You will need primer. And PVC cement begin by applying a liberalMoreTo install the closet flange. You will need primer. And PVC cement begin by applying a liberal amount of primer to the outside of the closet flange.

How do you fix a PVC toilet flange in concrete?

4:5710:54How to Replace a Broken PVC Toilet Flange (Start to Finish) - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd make sure that it's a smooth bit and now I'll go ahead and glue it you want to install. TheMoreAnd make sure that it's a smooth bit and now I'll go ahead and glue it you want to install. The flange so when it's down in there it's sitting just the height of the flange off the floor.

Is the toilet flange glued to the pipe?

This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it's plastic. The flange should be sitting with the bottom edge flush with the top of the floor.

How do you fix a cast iron toilet flange?

6:4810:06How to Repair a Cast-Iron Toilet Flange | Ask This Old HouseYouTubeStart of suggested clipEnd of suggested clipThis is a device with a gasket right here and four Allen screws and when you tighten up those AllenMoreThis is a device with a gasket right here and four Allen screws and when you tighten up those Allen screws you actually make this gasket get bigger. So I'll make the seal on the inside of the pipe.

How much does it cost to replace a cast iron toilet flange?

If you plan to replace your toilet flange and wax ring yourself, all of the supplies you need will usually cost under $40. If you're using a cast iron flange rather than a PVC flange, your total installation cost will be closer to $75. The national average cost to have a plumber replace your flange is around $175.

How do you remove an old cast iron toilet flange?

3:2321:54REMOVING & REPLACING a Cast Iron Toilet Flange - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo our first step is to drill out that lead all right i'm going to use my electric drill today aMoreSo our first step is to drill out that lead all right i'm going to use my electric drill today a cordless would work fine i'm going to start with a quarter inch drill bit.

How do you replace a old toilet flange?

1:143:40How to Replace a Toilet Flange | Toilet Repair | The Home DepotYouTubeStart of suggested clipEnd of suggested clipUse a sharp blade to cut through any caulk around the base of the toilet. Then to break the seal onMoreUse a sharp blade to cut through any caulk around the base of the toilet. Then to break the seal on the wax ring gently rock the bowl side-to-side.

Can toilet be installed without flange?

The flange and accompanying bolts hold the toilet firmly to the floor and keeps the seal between the toilet and the floor. Without the flange or if it is broken, he would have to attach the toilet to the subfloor with wood screws, and if the floor is rotting out, those won't last long.

Does a toilet flange need to be screwed to the floor?

Closet (toilet) flanges must be 1/4" above a finished floor. This is so the wax ring seals properly to the flange and the hub on the toilet. If a proper seal is not achieved it will result in leaking. If the flange is lower than or flush with the floor they make foam rings that cover the distance for a proper seal.

How do you secure a toilet flange to the floor?

0:594:12How to Install a New Toilet Flange | Ask This Old House - YouTubeYouTubeStart of suggested clipEnd of suggested clipUsing an old shim. Good. This is actually a compression flange. We're going to be using a rubberMoreUsing an old shim. Good. This is actually a compression flange. We're going to be using a rubber gasket and that will make a nice tight seal between the bend. And the flange.

Should toilet flange be flush with floor?

In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor or no more than 1/4 inch above or below the floor.

What are toilet shims?

These shims feature a ribbed design that will fit under your toilet to help fill in the gaps and help stop the toilet rocking. It is constructed of clear plastic that is easy to use and install.

How do you install a toilet flange on a concrete floor?

Cut off the Old Flange and Obstructions. After you remove the toilet, you will probably find an existing toilet flange.

Can I glue toilet flange to floor?

This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it’s plastic. The flange should be sitting with the bottom edge flush with the top of the floor.

Should a toilet flange be flush with the floor?

The toilet flange needs to be on top of the finished floor. Meaning the bottom edge of the flange needs to be on the same plane as the toilet. So if your toilet sits on the tile, the flange needs to be on top of the tile too. The spacing of the toilet exit “horn” and sealing surface is designed for this height.

Do you put the wax ring on the toilet or the flange?

Place the wax ring on the closet flange, not on the toilet. Then, pick up the toilet and set it evenly over the closet flange, making sure the bolts come through the bolt holes in the toilet base. Fine-tune the toilet position, so it’s right where you want it, then push it straight down so it smashes the wax evenly.

How do I know if my toilet flange is bad?

If you notice a lot of water pooling at the base of your toilet and inspect to find that your flange is cracked or broken, it’s time for a replacement. Signs of potential flange damage:

Should I replace toilet wax ring?

It requires no maintenance and can last 30 or more years, often as long as the toilet itself. But sometimes wax rings can dry out, crumble, and fail prematurely. When that happens, they need to be replaced. The telltale sign of wax ring failure is water leaking out from around the base of the toilet.

Should PVC toilet flange be glued?

pvc flange should be glued into a pvc pipe. IT would have been less of a problem if a plumber had made the replacement. Use a “good” flange and you will not have to do it again. Caulk is NOT glue.

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