
How to Fix a Bathtub Drain Leak
A Comprehensive Guide to Repairing Your Bathtub Drain
If you're dealing with a bathtub drain leak, it's essential to address it promptly to prevent water damage and mold growth. This guide will walk you through the process of fixing a bathtub drain leak step by step. By following these instructions, you can save money on plumbing services and ensure your bathtub is leak-free. To fix a bathtub drain leak, you will need some basic tools and materials. This guide includes everything from identifying the source of the leak to sealing it effectively. Whether the leak is coming from the drain assembly, the overflow, or the pipes beneath the tub, we have you covered with actionable advice and real-world examples.
How to Fix a Bathtub Drain Leak
Fixing a bathtub drain leak is a manageable task that can save you from costly repairs in the future. Here’s how to do it:
Required Tools and Materials
- Plumber’s putty
- Adjustable wrench
- Screwdriver (flathead and Phillips)
- Replacement parts (if needed)
- Bucket or towel
Step-by-Step Instructions
- Identify the Source of the Leak: Check around the drain, overflow, and pipes. Look for signs of water pooling or dampness.
- Remove the Drain Cover: Use a screwdriver to take off the drain cover. This will expose the drain assembly.
- Inspect the Drain Assembly: Check for cracks or loose fittings. Tighten any loose screws or nuts with your wrench.
- Apply Plumber’s Putty: If the leak is around the drain, apply plumber’s putty around the edges of the drain assembly before reattaching it.
- Reassemble the Drain: Place the drain cover back and secure it with screws.
- Test for Leaks: Run water in the tub and check for leaks. If you still see water, you may need to replace the drain assembly.
Safety Notes
Warning
- Always turn off the water supply before starting repairs.
- Wear gloves to protect your hands from sharp edges and chemicals.
Troubleshooting Common Issues
If your bathtub drain continues to leak after following the steps above, consider the following:
- Check for cracks in the tub itself.
- Inspect the overflow drain for proper sealing.
- Ensure that all connections are tight and secure.
Quick Facts
Quick Facts
Key Takeaways
- Identify the source of the leak before starting repairs.
- Use plumber’s putty for sealing around the drain.
- Regular maintenance can prevent future leaks.
- Always ensure all fittings are tight and secure.
FAQs
- What tools do I need to fix a bathtub drain leak?
You will need an adjustable wrench, screwdrivers, plumber’s putty, and possibly replacement parts.
- How do I know if my bathtub drain is leaking?
Look for water pooling around the base of the tub or dampness on the floor beneath.
- Can I fix a bathtub drain leak myself?
Yes, many bathtub drain leaks can be fixed with basic tools and materials.

Jaden Bohman is a researcher led writer and editor focused on productivity, technology, and evidence based workflows. Jaden blends academic rigor with real world testing to deliver clear, actionable advice readers can trust.
How we created this article
This piece was drafted using editorial templates and may include AI-assisted sections. All content is reviewed by the InfoBase editorial team for accuracy, clarity, and usefulness before publishing.