Are you hearing scratching noises in the walls that are driving you crazy? That could be a mouse trying to chew through your wall.

But first, you need to find out if what you are hearing is definitely a mouse. Hearing noises in walls is not normal, and should be dealt with right away because mice can wreak a lot of havoc in your house.

Mice can and will chew on just about any kind of material that they find useful for nest building. They use their razor-sharp teeth to cut through the materials.


How Long Does It Take a Mouse To Chew Through a Wall?

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Basically, mice generally take anywhere from a few days to two weeks to chew through a wall when working at it on and off. The speed that a mouse can eat through a wall is certainly much slower than that of a rat, and depends on many variables.

So, how fast a mouse can chew depends on the type of material it is tackling. For the most part, it depends on the type of walls you have. As you probably realize, some materials are quite easy to be chomped by a mouse, while others require more time to chew through, and some, are even impossible for mice to penetrate.

In addition, it depends on the access to food and water these rodents have available. If the mouse is hungry and trying to find something to eat, it will be desperate and will chew through the wall faster.

The reasons behind why the mice are chewing through the wall and how many of them are chewing in the same spot are also important.

Like other rodents, mice need to constantly gnaw on things to keep their teeth sharp and keep them from growing too long.

Sometimes a mouse is chewing just for the sake of chewing. And other times, it is trying to create a hole to travel through or search for shelter inside structures, and in these cases, it will chew much faster.

As it can be hard to give the precise amount of time it takes a mouse to chew through your wall, we need to distinguish between different types of walls.

Any mouse is capable of chewing through a thin, soft wall made of plywood or drywall from less than two hours up to one week. A wooden wall won’t stop them for long either, but a thicker, wooden wall may take them a few days or a couple of weeks.

However, even the strongest and most determined mouse will never manage to chew a hole in a brick, cured concrete, or ceramic wall. Instead, the rodent may find little holes or cracks in the wall and use them to enter your home.

So let’s take a look at the types of walls that a mouse can chew and pass through.

Drywall –

Drywall is a panel made of gypsum plaster that’s covered by layers of fiber, such as fiberglass and paper.

Typically, drywall is soft and edible for these pests, so mice will eat through it without any problem. They will get to the crumbly core of the drywall and will easily destroy it by nibbling on it.

Concrete –

Yes, mice can chew through concrete but only if the concrete is non-cured or has not been cured properly, which means that has more water than cement and is therefore not strong enough.

Concrete that’s not cured has around half of the strength of cured concrete. In this case, a mouse is capable of gnawing through it.

Even if the critter can’t make a hole in cured concrete walls, it can still enter into small openings and squeeze itself inside. 

Plywood –

Plywood is a material composed of wood veneers and is designed to be smaller and thinner, thus, it makes an easy target for mice to chew on. Some plywood is also made in a soft material that can get wet and soggy fairly quickly, so it’s even easier for the rodent to make a hole in it by constantly nibbling and scratching.

Mice also love to collect wood shavings and debris from plywood and use them to build nests.


Just like plywood, a wooden wall is easy pickings for this resolute pest. However, the thicker the piece of wood, the more challenging it will be for the mouse. Hardwood is more of a challenge but not impossible.

Not only do mice gnaw on wood to keep their teeth filed down, but they also drag wood shavings and bits to their nests. That is why walls made of wood are like a feast for mice.

Glass Fiber –

Glass fiber, or fiberglass, is a reinforced plastic material (FRP) and mice are known to chew through plastic. Thus, these rodents are also able to chew through fiberglass wall coverings or wall panels.

In fact, glass fiber is highly popular with rodents because it provides them with warmth, comfort, and protection from predators.

The whole family of mice often uses such walls as a place to live and nest. It is difficult to hear mice moving around in a wall in fiberglass, so it’s advised to inspect regularly and look out for other signs of infestation on your property.

How To Stop Mice Chewing In Walls?

Mouse removal ServiceSetting mouse traps is still the standard method for catching rodent pests. When choosing lethal traps, go for a snap trap that kills the mouse instantly, rather than poison bait traps. A rodent that dies, decomposes, and smells in your walls is the last thing you want.

However, as mice infestations can be hard to eradicate, your best option is to talk to a pest control professional. Wildlife Troopers technicians know how to get the mouse out of a wall while doing as little damage to your home as possible. We can also help you prevent new infestations by finding and securing possible entry points. So don’t wait any longer, call Wildlife Troopers in South Florida today at  561-809-4572. You’ll be glad you did.

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