how to stop a bathtub drain from leaking

Daniel Parker

3 min read

·

20-01-2025

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A leaky bathtub drain is more than just annoying; it can lead to water damage and costly repairs. Fortunately, many leaks are fixable with some DIY know-how. This comprehensive guide will walk you through identifying the source of the leak and provide solutions to stop that dripping once and for all. Understanding how to fix a leaky bathtub drain can save you time and money.

Identifying the Source of Your Leaky Bathtub Drain

Before diving into repairs, pinpoint the leak's origin. Is the water leaking from:

• The drain flange: This is the metal ring around the drain opening. Leaks here often signify a loose or damaged flange.
• The drainpipe: Leaks further down the pipe usually indicate corrosion or a loose connection.
• The overflow drain: This is the small opening near the top of the tub. Leaks here point to a problem with the overflow drain stopper or its connection.
• The faucet: While not directly part of the drain, a leaky faucet can cause water to run down the tub sides, making it seem like a drain leak.

Inspecting Your Drain:

1. Check for visible cracks: Carefully examine the drain flange and pipes for any cracks or damage.
2. Test for loose connections: Gently wiggle the drain components to see if any are loose.
3. Run water: Observe closely where the water is leaking from while the water runs.

How to Fix a Leaky Bathtub Drain Flange

A leaky drain flange is a common problem. Here's how to fix it:

Tools You'll Need:

• Screwdriver (likely Phillips head)
• Pliers
• Plumber's putty
• Wrench (size depends on your drain)
• New drain flange (if necessary)
• Rags

Steps:

1. Remove the drain: Unscrew the drain stopper and remove the drain assembly. This may require using pliers.
2. Clean the area: Thoroughly clean the area around the drain opening to ensure a good seal.
3. Apply plumber's putty: Apply a small amount of plumber's putty to the underside of the new (or cleaned old) flange.
4. Install the flange: Carefully position the flange over the drain opening and tighten it securely with the appropriate wrench.
5. Reassemble the drain: Reinstall the drain assembly. Tighten all parts carefully to avoid future leaks.

Fixing Leaks in the Drainpipe

Leaks in the drainpipe are more challenging and often require more advanced plumbing skills. If the leak is in an accessible section of the pipe, you might be able to repair it using:

• Pipe sealant: Apply a strong pipe sealant to the damaged area. Ensure the pipe is clean and dry before applying.
• Pipe repair clamp: This device clamps around the damaged section of the pipe, providing a seal.

However, if the leak is in an inaccessible area or you're uncomfortable working with pipes, call a professional plumber.

Addressing Leaks in the Overflow Drain

Leaks from the overflow drain are usually caused by a worn-out or improperly seated stopper. Replacing the stopper is often the solution. You'll need a replacement stopper that matches your tub. The process is similar to removing and reinstalling the main drain stopper – refer to your tub’s specific instructions or consult a YouTube tutorial for guidance.

When to Call a Plumber

While many bathtub drain leaks are easily DIY-able, some situations warrant professional help:

• Inaccessible leaks: If the leak is in a hard-to-reach area, a plumber has the tools and expertise to access it.
• Extensive damage: If the damage is extensive or involves broken pipes, professional repair is essential to prevent further water damage.
• Lack of experience: If you're uncomfortable working with plumbing, it’s best to call a professional to avoid making the problem worse.
• Recurring leaks: If you've tried DIY repairs and the leak persists, a plumber can diagnose the underlying issue.

By carefully following these steps and understanding when to seek professional assistance, you can effectively address a leaky bathtub drain and restore peace to your bathroom. Remember to always prioritize safety and turn off the water supply before starting any repairs.