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.

Can you repair a cast iron toilet flange?





Quote from the video:
Quote from Youtube video: All right so we got it all cleaned up and you can see the old cast iron Bend right here.

When should you replace a toilet flange?

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. Make sure to properly measure your drain pipe and drain to ensure that you choose a replacement flange kit that is the right size.

Can you put a new toilet flange over an old one?

Apply a generous bead of 100% silicone caulk on top of the old closet flange. And to the bottom of the new closet flange extender. Either slide the new closet flange bolts into the old flange before adding the extender or add them after you adhere the extender to the old flange.

What happens if toilet flange is broken?

A broken flange will cause the toilet to move because it is no longer secured to the flange, which is anchored to the subfloor. The constant rocking will likely break the wax seal (located between the toilet and the flange), allowing water to leak onto the substrate and the ceiling below when the toilet is flushed.

What causes a toilet flange to break?





Old cast iron and all-plastic toilet flanges are the most likely to break. The problem is usually caused by rocking toilets or overtightened toilet flange nuts. Look for a cracked or broken rim on the outside of the slots that hold in the bolts (Photos 3 and 4).

How do you replace a flange on a cast iron pipe?

Quote from the video:
Quote from Youtube video: So this is going to fit inside that cast iron. And tighten these three bolts it expands this rubber flange against the inside of the pipe and it's a great way to solve this problem.

How much does it cost to repair a toilet flange?

around $145 to $165

If your toilet is creaking or wobbling, you may need to replace the flange. For a plumber, replacing a toilet flange is a quick and easy job. Assuming no other complications pop up, you can expect to pay around $145 to $165 for this simple repair.

How do you replace a cast iron toilet flange in concrete?



Quote from the video:
Quote from Youtube video: I've now got most of the concrete. That's over the top of the toilet flange out of the way chiseled it out i've got the lead exposed.

Should you caulk around toilet flange?

Caulk prevents a fouling area. If mop water, bathtub water, or a less pleasant “bathroom liquid” gets underneath the toilet, there is no way to clean it up. Caulking around the base of the toilet will prevent this from happening.

How do I remove glued toilet flange from abs?

How Do You Remove a Glued Toilet Flange?

  1. Remove the toilet from the floor.
  2. Stuff a rag into the drain pipe.
  3. Clean wax ring residue off the flange.
  4. Remove the screws that connect the flange to the floor.
  5. Cut the flange off flush with the floor.

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.

Can a cracked toilet flange be repaired?

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 a broken toilet flange?

Quote from the video:
Quote from Youtube video: To begin remove the broken or corroded sections of the existing ring. Next apply liberal amount of silicone to the top of the existing. Ring.

How long does a toilet flange last?

We recommend replacing after 6 or 7 years. If you are not confident in replacing the flange on your own, you should contact a professional plumber.

Are rubber toilet seals better than wax?



Quote from the video:
Quote from Youtube video: These are reusable he's a cleaner and more durable than standard wax rings and has the ability to stay sealed on a wobbly toilet because of its flexibility. It will not freeze or melt.

Should I use a wax ring with a flange?

Wax Ring With Sleeve



If your flange is floor level or slightly below then you can use an extra-thick wax ring. If the flange is lower than a 1/4” below the floor level then you should use a flange extension to raise the flange height or remove and replace the old floor flange and set it to the right height.

How often should you replace wax ring on toilet?

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.

How do I know if my toilet needs a new wax ring?

3 Signs It’s Time to Replace Your Toilet Wax Ring

  1. Water around the Toilet Base. The first sign of a bad toilet ring is water forming around the base of the toilet. …
  2. Bad Odors Coming from the Toilet. …
  3. Ceiling or Floor Damage. …
  4. Non-Wax Related Toilet Leaks. …
  5. Call for Toilet Repairs Right Away.



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

Place the wax ring on the closet flange, not on the toilet. 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.