Can Mice Chew Through Copper Pipes? Our Experience

by Derrick | Last Updated: July 29, 2023

Experiencing plumbing problems and suspecting it’s due to mice can be quite a nightmare. Did you know these critters have been known to gnaw on materials as hard as copper? This blog post delves into our experience dealing with this uncommon plumbing issue by sharing crucial signs of rodent-induced damage, prevention methods, and effective solutions.

Intrigued? Let’s secure your pipes from pesky rodents!

Key Takeaways

Can Mice Chew Through Copper Pipes?

Surprisingly, rodents such as mice and squirrels present a significant risk to your copper pipes. With their sharp incisors that continuously grow over time, they can gnaw on and potentially puncture softer materials like PEX plumbing or insulation.

While it is less common for mice to chew through copper due to its hardness compared to other materials, it’s not entirely impossible.

Over the years in our pest control experience, we’ve seen cases where rodent teeth marks are visible on copper tubing due to persistent chewing. This happens particularly when vermin are nesting close to the pipework or seeking water during severe drought conditions.

Damage caused by such activity ranges from minor surface scratches up to instances of pipe corrosion and serious leakage problems related with mouse infestations.

How to Prevent Mice from Damaging Copper Pipes

To prevent mice from damaging copper pipes, there are several steps you can take. First, it’s important to eliminate any entry points that rodents may be using to access your home.

Inspect the exterior of your house for gaps or cracks and seal them with caulk or steel wool. Pay special attention to areas around plumbing pipes and utility openings.

Next, consider using copper mesh as a deterrent for mice. Install this mesh around any vulnerable areas where pipes enter your home, such as crawl spaces or basements. Mice have difficulty chewing through copper mesh, making it an effective barrier against their gnawing habits.

Additionally, consider upgrading your plumbing system to PEX (cross-linked polyethylene) tubing instead of copper pipes. Unlike copper pipes, PEX is less appealing to rodents because it is not as tasty and does not provide nesting material.

In conclusion, taking proactive measures like sealing entry points and using deterrents like copper mesh can help prevent mice from damaging your valuable copper pipes. It’s important to address these issues promptly in order to avoid costly repairs and potential water damage caused by rodent infestations in your plumbing system.


In conclusion, our experience has shown that mice are indeed capable of chewing through copper pipes. Their sharp teeth and natural instinct for gnawing can cause significant damage to plumbing systems.

To prevent this, it is important to take proactive measures such as using copper mesh or PEX plumbing to deter rodents from accessing the pipes. Keeping a close eye on any signs of rodent infestation and promptly addressing the issue can save homeowners from costly repairs caused by these nuisance pests.