Why does my toilet randomly leak on the floor?

Author: Gregoria Hessel  |  Last update: Friday, December 29, 2023

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.

Why does my toilet occasionally leak from the bottom?

One reason for a toilet leak from the base might be a loose connection where the tank meets the toilet. Check the connecting bolts. If they seem loose or you can see water gathering in that area, use the screwdriver to tighten them. Approach the bolts from inside the tank and screw downward to create the best seal.

How long does a toilet wax ring last?

The wax ring is exactly what it sounds like: a ring made of sticky wax that helps form a watertight seal between the bottom of the toilet and the sewer pipe. 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 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.

How do you know toilet wax ring is bad?

The first sign of a bad toilet ring is water forming around the base of the toilet. To test that a bad seal is the problem, grab a couple of towels and wipe up the water. Go on with your day, checking periodically to see if the water has returned.

Watch This Video If You Have Water Leaking at Bottom of Toilet – Home Repair Tips

How much does it cost to fix a leak at the base of a toilet?

It costs between $150 and $300 to fix a leaking toilet in most cases. The cost would be a lot more if the leak has caused damage to your floor or if it's a recurring problem.

What is the average price to replace a wax ring on a toilet?

$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.

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.

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 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 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.

Why does my toilet leak at the base smell like urine?

In many cases, a constant urine smell is likely due to a leaking seal, which is located under the toilet and seals the point between the toilet and the drain. Improper installation and general wear and tear can cause the seal to leak.

How do you tell if a toilet is leaking at the seal?

Water around the Toilet Base

The first sign of a bad toilet ring is water forming around the base of the toilet. To test that a bad seal is the problem, grab a couple of towels and wipe up the water. Go on with your day, checking periodically to see if the water has returned.

How do you know toilet wax ring is bad?

A faulty wax ring, or one that is going bad, may produce any number of telltale signs. These include leaks, bad smells, or a wobbly toilet.

What is the best way to find a toilet leak?

How to Detect a Leaky Toilet
  1. Put 10-15 drops of food coloring or a dye tablet in the toilet tank.
  2. Wait 30 minutes without flushing.
  3. After 30 minutes, if the water in the bowl turns color, your toilet tank is leaking.
  4. Replace the parts inside your toilet tank.

What does a plumbing leak smell like?

One of the most visible indications of a leak is a musty, earthy smell similar to what you may find in an old basement. Smells like this means that water is accumulating with no way for it to dry due to water constantly pouring out and a lack of the necessary conditions for the water to evaporate.

Why does my toilet smell like pee no matter how much I clean it?

Your toilet wax ring might not be the only issue, however. You might also have a cracked, broken, or otherwise failing toilet flange. And that could mean that urine is accumulating and reeking from the base of your toilet and that sewer gas fumes are rising and escaping through the flange.

Do leaks make your pee smell?

People with incontinence tend to drink less liquid, causing their urine to become very concentrated and strong-smelling. Drinking six to eight glasses of water a day will dilute your urine and reduce or eliminate its odor. 2. Get examined for possible infection.

Can I change the flapper on my toilet if it's still leaking?

If you've tried replacing the toilet flapper but the toilet still runs, the flush valve seat is probably rough or pitted. You can replace the entire flush toilet flapper valve, but it's a big job.

How often should toilet parts be replaced?

Toilet Parts

The toilet's flush valve will typically last 6-7 years. A toilet fill valve might only last four to five years. In general, you should expect to replace the parts in your toilet every so often while keeping the actual bowl in place.

What happens if you leave pee in the toilet for a long time?

Urine and hard water deposits leave hardened mineral deposits around your toilet bowl over time. These deposits form faster when you let pee sit around. In some cases, rings left for too long can be nearly impossible to remove without harsh cleansers that can be worse for the environment than those extra flushes.

Why does my toilet smell like pee even after flushing?

The smell of urine in your bathroom could be from a leaky seal in your toilet, poor hygiene, or bacteria build-up.

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