What causes a toilet to leak around the bottom?

Author: Darion Fisher  |  Last update: Saturday, October 28, 2023

The only-when-flushed toilet leak could be caused by loose mounting bolts or a worn-out wax gasket while the all-the-time leak could be caused by a loose water supply line connection, a problematic water shutoff valve, or a faulty seal between the toilet tank and its base.

Why is my toilet leaking from the bottom base?

The most likely culprits are the drain line, wax ring, flange bolts, cracks, or water supply line. You can replace a wax ring on a toilet, or you can call in a pro for the job. A pro may recommend replacing parts or the entire toilet. Leaks can lead to expensive water bills and repairs, so quickly investigate.

How do I know if my wax ring is leaking?

Again, leaky water is a telltale and common sign of a bad wax ring. If you do not regularly see moisture or puddling water under your toilet, you may be fine. Leaks can, however, happen where you do not see them, under the finished floor and into the subfloor.

Is toilet leaking at bottom an emergency?

Obviously, a toilet leaking from base is the last thing you'd want to see when you're off to work in the morning or trying to run some errands for the day. Rather than waiting for your bathroom to turn into an indoor swimming pool, call for local plumber services immediately.

Where is a toilet most likely to leak?

An undetected toilet leak could waste as much as 5 gallons of water per minute. The most common toilet leak is caused by a deteriorated flush valve (flapper) at the bottom of the toilet tank. If the flapper does not seat properly, water will leak into the toilet bowl. Often this leak will occur without being heard.

How To Fix TOILET Leaking At BASE. Pull-RESET Universal. EASY. FAST

How often should a toilet wax ring be replaced?

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.

How long should a toilet wax ring last?

This piece of equipment usually lasts as long as the toilet, about 30 years. However, if it dries out and starts to crumble, you could be at risk for a messy leak. At that point, it's time to install a new one.

How much does it cost to replace a toilet wax ring?

$90-$120 is a good ballpark.

If you are having other plumbing work done, they might do it cheaper, and if they have a large travel fee, you may pay closer to $150. Unless there is a problem, it should take them under a half hour, whereas, it might take a novice 1.5-2 hours.

How do you tell if your toilet is leaking at the base?

The main signs of a leaking toilet may include a damp area on the floor around the bottom of the toilet, a spongy feeling in the floor at the bottom of the toilet seat, signs of dampness on the ceiling in the room underneath your toilet, or the occasional smell of sewer gas and the flooring coming up in the area around ...

Should I caulk around my toilet?

🚽 Caulking Prevents Water Contamination

It could be water splashing out of a bathtub, mop water, water from a shower and even misguided potty training from your young boys who seem to miss the toilet bowl every single time! Without caulk around the toilet base, water can get under there and sit for a long time.

What are the different types of toilet leaks?

The three most common types of toilet leaks are in the flapper, the water supply line, and the wax ring under the toilet. For each type of leak, the first way to try to identify where the leak is coming from is to do a visual inspection. Often, you'll see evidence of water leaks.

How do I know if my toilet seal is broken?

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.

How do I know if I need to replace toilet flapper?

How do I know if I need to replace my toilet flapper? If your toilet is running after every flush or the toilet won't flush fully, you may need to replace the flapper. You can see if the flapper is old or if the chain length is too long or short by opening the tank lid.

How long do toilets last?

Depending on use, a good toilet may last you 50 years. Most toilets are made of porcelain, which lasts a long time. Certain components within the toilet may need to be repaired or replaced more frequently, however. Most of these can and should be replaced without replacing the whole toilet.

What happens if you don't replace wax ring on toilet?

If the wax ring isn't sealed correctly, it can cause wastewater to leak from the bottom. Leaking water can lead to mold around the floor. A poorly sealed wax ring can also cause foul odors to stink up your bathroom. If you smell sewage or see water leaking, then you may need a new wax ring.

Is replacing a toilet wax ring easy?

Replacing the wax ring is as easy as sliding the new piece onto the bolts in the floor, then sliding the toilet down to make a tight seal.

How do I know if my wax seal on my toilet is bad?

Warning Signs That The Wax Ring On Your Toilet Has Gone Bad
  1. The Floor of Your Bathroom Is Soaked With Water.
  2. Damage to the Ceiling or Floor Caused by Water.
  3. Poor Odors Emanating From the Bathroom.
  4. Toilet That Rocks.
  5. Drain, wipe dry, then cut off the power.
  6. Take Away the Bathroom.
  7. Take a Scraping of It.

Does a wax ring only leak when flushed?

The only-when-flushed toilet leak could be caused by loose mounting bolts or a worn-out wax gasket while the all-the-time leak could be caused by a loose water supply line connection, a problematic water shutoff valve, or a faulty seal between the toilet tank and its base.

What is better than a wax ring?

Wax-free toilet seals are made out of a heavy duty rubber, so they're flexible enough to shimmy into the flange without smearing a wax ring. Wax-free seals can also be reused. As long as they're still attached to the bowl in good condition, you can reinstall the toilet without replacing the seal.

What damage can a leaking toilet cause?

External leaks can cause water puddles that can damage a downstairs ceiling, while internal leaks prevent the toilet from holding water properly, which will increase your monthly water bill.

How much water can you lose from a leaking toilet?

Since the water flows down the sewer, leaking toilets don't necessarily leave any signs of a leak, until you get the bill. The average leaky toilet can waste about 200 gallons of water per day. That's over 6,000 gallons a month ($70.06*) for just one leaking toilet!

Can a broken toilet handle cause a leak?

One should ensure that each component is installed properly and aligned correctly in the tank to prevent leaks. Loose Handles: Over time the toilet's flush handle can become loose or break-off completely and allow water to continually flow into the tank or bowl between flushes.

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