How to Repair a Cracked Toilet Tank

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Can You Repair a Cracked Toilet Tank?

A cracked toilet tank is a common problem, but it can be a major inconvenience. Not only is it unsightly, but it can also waste water and lead to higher utility bills. Fortunately, repairing a cracked toilet tank is usually a simple and straightforward process. In this article, we’ll walk you through the steps of how to repair a cracked toilet tank, so you can get your toilet back in working order in no time.

We’ll cover everything you need to know, from identifying the problem to choosing the right materials and tools. We’ll also provide tips on how to prevent future cracks from forming. So whether you’re a DIY novice or a seasoned pro, read on for all the information you need to know about repairing a cracked toilet tank.

Can You Repair A Cracked Toilet Tank? Yes No
What are the signs of a cracked toilet tank?
  • Water leaking from the bottom of the tank
  • A loud noise when the toilet flushes
  • The water level in the tank is constantly low
How do you repair a cracked toilet tank?
  1. Turn off the water supply to the toilet.
  2. Remove the lid from the toilet tank.
  3. Locate the crack in the tank.
  4. Apply a sealant to the crack.
  5. Allow the sealant to dry completely.
  6. Reattach the lid to the toilet tank.
What are the risks of not repairing a cracked toilet tank?
  • Water damage to the floor and surrounding area
  • Health hazards from mold and bacteria growth
  • Increased water bills

How to Tell If Your Toilet Tank Is Cracked

Signs of a Cracked Toilet Tank

There are a few signs that can indicate that your toilet tank is cracked. These include:

  • Water leaking from the tank. If you see water leaking from the bottom of your toilet tank, it’s a sign that the tank is cracked. The leak may be slow or fast, and it may be clear or discolored.
  • A change in the sound of your toilet flushing. If your toilet starts to make a gurgling or whistling sound when it flushes, it could be a sign that the tank is cracked. The sound is caused by air escaping from the crack.
  • A drop in water pressure. If you notice a drop in water pressure in your home, it could be caused by a cracked toilet tank. The crack may be allowing water to escape from the tank, which can reduce the water pressure in your home.
  • A musty smell coming from your toilet. If you notice a musty smell coming from your toilet, it could be a sign that the tank is cracked. The crack may be allowing sewer gas to escape into your home, which can cause a musty smell.

How to Check for a Cracked Toilet Tank

To check for a cracked toilet tank, you will need to:

1. Turn off the water supply to the toilet. This can be done by turning the shut-off valve located under the sink or behind the toilet.
2. Flush the toilet. This will empty the tank and make it easier to see if there is a crack.
3. Look inside the tank for any cracks. You can use a flashlight to help you see better.
4. If you find a crack, you will need to repair it.

How to Repair a Cracked Toilet Tank

To repair a cracked toilet tank, you will need the following materials and tools:

  • A bucket
  • A sponge
  • A screwdriver
  • A putty knife
  • A caulking gun
  • Epoxy putty
  • A new toilet tank gasket

1. Turn off the water supply to the toilet.
2. Remove the lid from the toilet tank.
3. Clean the inside of the tank with a sponge and water.
4. Use a screwdriver to remove the old toilet tank gasket.
5. Apply a bead of epoxy putty around the edge of the toilet tank.
6. Press the new toilet tank gasket into the epoxy putty.
7. Allow the epoxy putty to dry completely.
8. Reattach the lid to the toilet tank.
9. Turn the water supply to the toilet back on.

Repairing a cracked toilet tank is a relatively easy task that can be completed in a few steps. By following the steps in this guide, you can have your toilet back in working order in no time.

Additional Tips

  • If you are not comfortable repairing your toilet tank yourself, you can always hire a professional plumber to do the job for you.
  • When choosing a new toilet tank gasket, make sure to get one that is the same size and thickness as the old gasket.
  • Be sure to follow the instructions on the epoxy putty package carefully.
  • Allow the epoxy putty to dry completely before using the toilet.

By following these tips, you can ensure that your toilet tank is repaired properly and that you will have a long-lasting fix.

3. Tips for Preventing Toilet Tank Cracks

Toilet tanks are made of porcelain, which is a strong material, but it can crack if it is subjected to too much stress. Here are a few tips for preventing toilet tank cracks:

  • Don’t overload the tank. The maximum weight that a toilet tank can safely hold is about 150 pounds. If you overload the tank, it can cause the porcelain to crack.
  • Don’t drop anything heavy into the tank. Even a small object, such as a coin, can cause a crack if it hits the porcelain at the wrong angle.
  • Don’t use harsh chemicals in the tank. Some cleaning products, such as bleach and ammonia, can damage the porcelain.
  • Inspect the tank regularly for cracks. If you see any cracks, have the tank repaired or replaced as soon as possible.

What to do if your toilet tank cracks again

If your toilet tank cracks again, you can try to repair it yourself. However, if the crack is large or if the tank is leaking, it is best to call a professional plumber.

To repair a cracked toilet tank, you will need the following materials:

  • A new toilet tank lid
  • A putty knife
  • A silicone sealant
  • A drill
  • A 1/4-inch drill bit
  • A screwdriver
  • A pair of pliers

Steps:

1. Remove the old toilet tank lid.
2. Clean the inside of the tank with a degreaser.
3. Apply a bead of silicone sealant around the edge of the new tank lid.
4. Place the new tank lid on the tank and secure it with the screws.
5. Use the putty knife to smooth out the sealant.
6. Let the sealant dry for at least 24 hours.

When to Call a Professional

If you are not comfortable repairing a cracked toilet tank yourself, or if the crack is large or if the tank is leaking, it is best to call a professional plumber. A plumber will be able to assess the damage and recommend the best course of action.

Signs that you need to call a professional to repair your toilet tank:

  • The tank is leaking.
  • The tank is cracked.
  • The tank is not holding water.
  • The tank is making strange noises.
  • The tank is not flushing properly.

If you notice any of these signs, it is important to call a professional plumber as soon as possible. A cracked toilet tank can be a serious health hazard, and it can also lead to costly repairs.

A cracked toilet tank can be a nuisance, but it is usually a simple fix. By following these tips, you can help prevent toilet tank cracks from forming, and you can also repair a cracked tank yourself if necessary. However, if you are not comfortable repairing a cracked toilet tank yourself, or if the crack is large or if the tank is leaking, it is best to call a professional plumber.

Can You Repair A Cracked Toilet Tank?

Yes, you can repair a cracked toilet tank. However, it is important to note that this is a DIY project that should only be attempted by those who are comfortable working with plumbing fixtures. If you are not confident in your ability to complete this project, it is best to hire a professional plumber.

Here are the steps on how to repair a cracked toilet tank:

1. Turn off the water supply to the toilet. This can be done by turning the shut-off valve located under the sink or behind the toilet.
2. Flush the toilet to drain all of the water from the tank.
3. Remove the old tank lid. This is usually held in place by two screws located on the back of the tank.
4. Inspect the crack. Determine the size and location of the crack.
5. Apply a sealant to the crack. You can use a silicone sealant or a two-part epoxy. Be sure to follow the manufacturer’s instructions for application.
6. Allow the sealant to dry completely. This may take several hours or overnight.
7. Reinstall the tank lid.
8. Turn the water supply back on.
9. Flush the toilet to test the repair.

If the crack is small, you may be able to repair it with a simple DIY kit. However, if the crack is large or located in a difficult-to-reach area, it is best to hire a professional plumber to complete the repair.

Here are some additional tips for repairing a cracked toilet tank:

  • Use a high-quality sealant that is specifically designed for use on toilets.
  • Be sure to follow the manufacturer’s instructions for application.
  • Allow the sealant to dry completely before using the toilet.
  • If the crack is located in a difficult-to-reach area, you may need to use a flexible sealant that can be applied around corners.
  • If the crack is large or extends into the toilet bowl, it is best to replace the entire tank.

Replacing a toilet tank is a relatively simple DIY project that can be completed in a few hours. However, it is important to follow the steps carefully to ensure that the new tank is installed correctly.

Here are the steps on how to replace a toilet tank:

1. Turn off the water supply to the toilet. This can be done by turning the shut-off valve located under the sink or behind the toilet.
2. Flush the toilet to drain all of the water from the tank.
3. Remove the old tank lid. This is usually held in place by two screws located on the back of the tank.
4. Disconnect the water supply line from the tank. The water supply line is usually a flexible hose that connects to the bottom of the tank.
5. Disconnect the toilet bowl from the tank. There are two bolts that connect the toilet bowl to the tank. These bolts are usually located on the back of the tank.
6. Remove the old tank. The tank is usually held in place by two bolts that are located on the bottom of the tank.
7. Install the new tank. The new tank should fit snugly against the toilet bowl. The two bolts that hold the tank in place should be tightened until they are snug.
8. Reconnect the water supply line to the tank.
9. Reconnect the toilet bowl to the tank.
10. Turn the water supply back on.
11. Flush the toilet to test the repair.

If you are not comfortable completing this project yourself, it is best to hire a professional plumber to do the work.

repairing a cracked toilet tank is a relatively simple task that can be completed by most DIYers. By following the steps outlined in this guide, you can save yourself the time and expense of hiring a professional plumber.

Here are the key takeaways from this article:

  • A cracked toilet tank can be caused by a number of factors, including age, wear and tear, and poor installation.
  • The most common type of toilet tank crack is a hairline crack.
  • To repair a cracked toilet tank, you will need to remove the tank from the toilet bowl, clean the area around the crack, apply a sealant, and reinstall the tank.
  • If the crack is too large or deep, you may need to replace the entire toilet tank.

By following these steps, you can easily repair a cracked toilet tank and keep your bathroom in good working order.

Author Profile

Liana Farrell
Liana Farrell
Liana Farrell is the owner of toiletty.com. She is a mom of two and is very passionate about home improvement.

Liana has ten years of home improvement experience, and in her own words, she said: “I love improving the home, and I’m very passionate about keeping the home in the best possible condition. I love it!”

Liana Farrell balances beauty and functionality when she goes about her home improvement jobs.