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Are you convinced that there are mice in the walls of your home and you want to get rid of them as quickly as possible?

In this article, find out everything you need to know to get rid of mice in walls.

First, make sure you are dealing with mice

Many types of pests (insects, squirrels, rats and other rodents) can settle in the comfort of your home’s walls, which is why it’s important to make sure that you are actually dealing with mice before implementing a mouse extermination strategy.

Do you hear noises in your walls?

The first signs of mice in walls are often scurrying and scratching noises, especially at night. These can come from your ceilings, wall partitions and even ventilation and plumbing ducts.

Did you find gnawed food containers?

If you find holes in the bags of food you left on the counter overnight, a family of mice may have been in your kitchen.

They may have even found your pantry and gnawed the packaging of some foods to retrieve the contents.

Did you find mouse tracks?

Mice usually use the same path to get to their food source, leaving tracks along drywall, wooden floors, tables and kitchen countertops.

Did you find mouse droppings?

Mouse droppings look like small dark grains of rice. Recent droppings are shiny and black, while older ones will be dried and brownish.

Have you found what you think is a mouse nest?

Once mice settle in a building, they often build their nest in dark and unfrequented areas, such as cupboards, closets, storage boxes and under furniture. They often build these nests using pieces of fabric and cardboard that they find a little bit everywhere.

Solutions for getting rid of mice in walls

Mice are considered pests, which is why exterminating them is allowed. Several methods can be used for this.

Snap traps

Commonly called mouse traps, snap traps can be very effective when strategically placed. This extermination method is considered the least cruel since it generally kills mice immediately, unlike glue traps.

If you use bait traps, place bait with a strong odour, such as peanut butter or bacon grease.

Check your traps every day and place some new ones shortly after catches to trap older mice.

Rodent poison

If the mouse infestation has significantly worsened, mouse traps may no longer be enough to manage the problem. You may need to use poison to get rid of the mice.

If you are considering this solution, choose a long-lasting poison that will give the mice time to leave your home before they die, or you might end up with dead mice in your walls.

You should also take necessary precautions to ensure that your children or animals are not exposed to the poison.


Unlike the two other solutions, caulking is a preventive solution that eliminates the problem at its source.

Sealing and caulking all holes and cracks that can be potential entry points for rodents and other pests will significantly reduce the risk of them sneaking into your walls.

Decontamination is important after getting rid of mice

Mice are known to carry an alarming variety of pathogens and diseases, including hantavirus, meningitis and tapeworm. In addition, since they also host fleas and ticks, mice can be a carriers of Lyme disease.

You should therefore decontaminate your home after mice are exterminated to ensure that there are no traces of contaminants dangerous to human health in your home. You should also replace insulation materials contaminated by mice.

Need help getting rid of mice in walls?

These tips and information can help you get rid of mice that have made themselves at home in your walls. However, you may also benefit from professional services.

If there is an infestation problem in your home,  contact Elite Pest Control. Our extermination, prevention and decontamination team can provide you with the right advice and get rid of mice for good.