How To Get Rid Of Rats In The Wall Cavity

If you hear scratching, rustling, or squeaking noises coming from your walls, it is likely that you have a rat infestation. Rats are notorious for causing damage to property, and their presence can pose serious health risks. Let’s take a closer look at how to get rid of rats in the wall cavity.

Identify the Entry Points

Before you can start eliminating rats from your wall cavity, you need to identify the entry points. Rats can squeeze through small gaps and holes, so it’s important to thoroughly inspect your home for any possible openings. Common entry points include gaps around pipes, vents, and windows.

Eliminate Food Sources

Rats are attracted to food, so eliminating their food sources is an effective way to deter them. Make sure that all food is stored in airtight containers and keep your kitchen clean and tidy. Avoid leaving pet food out overnight and ensure that your garbage is properly sealed and disposed of.

Set Traps

Setting traps is an effective way to get rid of rats in the wall cavity. There are several types of traps available, including snap traps and live traps. Snap traps work by quickly killing the rat, while live traps allow you to release the rat into the wild after capture. It’s important to regularly check your traps and dispose of any dead rats to avoid attracting other pests.

Use Repellents

There are several repellents available that can help to deter rats from entering your wall cavity. These include peppermint oil, ammonia, and mothballs. However, it’s important to note that these repellents are not always effective, and you may need to use other methods in conjunction with them.

Use Bait Stations

Bait stations are another effective way to get rid of rats in the wall cavity. These stations contain poison bait that rats will eat and take back to their nests. However, it’s important to use caution when using poison bait, as it can be harmful to pets and children.

Clean Up the Area

Rats are attracted to clutter and debris, so it’s important to clean up the area around your wall cavity. Remove any piles of wood, debris, or other clutter that rats can use as a hiding place.

Keep Your Home Well-Ventilated

Rats are attracted to warm and humid environments, so keeping your home well-ventilated can help to deter them. Make sure that your home is properly ventilated, especially in areas like the bathroom and kitchen.

Call in the Professionals

If you’ve tried all of the above methods and still have a rat infestation in your wall cavity, it’s time to call in the professionals. Pest control experts have the experience and knowledge to safely and effectively eliminate rats from your home. They can also offer advice on how to prevent future infestations.

Prevent Future Infestations

Once you’ve successfully eliminated rats from your wall cavity, it’s important to take steps to prevent future infestations. This includes keeping your home clean and tidy, sealing any entry points, and using repellents like peppermint oil or mothballs.

additional tips to get rid of rats in the wall cavity

  • Use a blacklight to detect urine stains on walls and ceilings, which can help you pinpoint where rats are entering or exiting your wall cavity.
  • Install door sweeps and weather stripping to seal gaps around doors and windows, which are common entry points for rats.
  • Use an ultrasonic pest repeller, which emits high-frequency sounds that are unpleasant to rats and other pests.
  • Place a bright light near the entry point, as rats are known to avoid well-lit areas.
  • Use a live trap to capture rats without harming them, and release them far away from your home in a safe location.
  • Consider using a professional exterminator if your rat infestation is severe or if you are uncomfortable handling the problem on your own.
  • If you have pets, keep their food and water bowls elevated and clean up any spills promptly, as spilled pet food can attract rats.
  • Remove any outdoor food sources, such as bird feeders or compost piles, as these can attract rats to your property.
  • Use steel wool or copper mesh to fill in gaps around pipes and wires, as rats are unable to chew through these materials.


Getting rid of rats in the wall cavity can be a challenging and time-consuming task. By identifying entry points, eliminating food sources, setting traps, using repellents, and calling in professionals if necessary, you can successfully eliminate rats from your home.

It’s important to act quickly to prevent rats from causing damage to your property and posing health risks to you and your family.

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