Why is My Toilet Leaking From the Base?

A leaking toilet is not only a nuisance, but it could also lead to costly water bills and damaged flooring. One of the most common types of toilet leaks is the one where water seeps out from the base of the toilet. If that is the case in your bathroom, you might be wondering what causes it and how to fix it. In this post, we’ll explore the common reasons behind a toilet leaking from the base and what to do about it.

Understand the Causes of a Toilet Leak

There are several reasons for a toilet leaking from the base. The most common causes include a cracked toilet bowl, a worn-out wax seal, or deteriorated gaskets, bolts, or washers. A toilet leak can also be a sign of a more serious plumbing issue, such as a blocked sewer line or a malfunctioning flushing mechanism. Understanding the root cause of the problem can help you determine the best course of action.

Check for Obvious Signs of Leaks

Before you start tinkering with your toilet, you should identify where the leak is coming from. Start by inspecting the floor around the base of the toilet to see if there’s any water pooling. Next, check the toilet tank, supply line, and flush valve assembly for any visible signs of leaks or damages. If you find water dripping from the tank or the supply line, the leak might not be coming from the base.

Inspect the Wax Seal Underneath the Toilet

If you have ruled out other potential causes for a toilet leaking from the base, it’s time to take a closer look at the wax seal. The wax seal is a gasket that creates a watertight seal between the toilet base and the drain pipe. Over time, the wax seal can become compressed or cracked, allowing water to leak out. To inspect the wax seal, you’ll need to remove the toilet from its base. Carefully unbolt the toilet from the floor and lift it up to reveal the wax seal. If the wax seal is no longer pliable or shows signs of wear and tear, you’ll need to replace it.

Inspect the Base for Cracks and Corrosion

While you have the toilet removed from its base, it’s a good idea to inspect the toilet base for cracks, corrosion, or other damages. A crack in the toilet bowl or the tank can cause water to leak out from the base. Corrosion around the bolts or the base of the toilet can also lead to leaks. If you find any such issues, you will need to replace the entire toilet.

When to Call a Professional

If you’re unable to locate the source of the leak or identify any obvious signs of damage, it might be best to call a professional plumber. A plumber can diagnose the issue and make necessary repairs. They can also detect hidden plumbing issues that could be causing the leak. Additionally, if your toilet is old and needs to be replaced, a plumber can help you find the right one for your bathroom.

Final Thoughts

A toilet leaking from the base can be a frustrating problem, but it’s not an uncommon one. By understanding the likely causes and taking the appropriate steps to fix the issue, you can save yourself from a headache and water damage. If you’re not comfortable with DIY plumbing, it’s always best to call in a professional plumber who can diagnose the problem and provide you with a lasting solution.

Stack Heating, Cooling, Plumbing & Electric

Stack Heating, Cooling, Plumbing & Electric is the perfect choice for anyone dealing with a leaky toilet. Our licensed and experienced technicians can quickly identify the source of the problem, from cracked toilet bowls to worn out wax seals. We use quality parts and materials that are designed to last for years to come, saving you time and money. Contact us today on our website or by calling (440) 937-9134 for a consultation and let us help you get your toilet back in working order!