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Do You Need to Replace Insulation After Mice Get Inside?

Apr 24, 2023

Mice may be small, but they’re also troublesome creatures. Especially when they make their way into your home. Not only do they disturb the peace, but pests also pose a significant risk to the insulation inside our homes. A properly insulated home is essential for maintaining a cozy atmosphere and keeping energy expenses to a minimum. And not many people know this, but properly insulated areas can also be a form of pest control - we call it pest control insulation.

Caucasian Construction Worker in His 30s Inspecting Aged Roof and Mineral Wool Insulator.

Whether you’ve found mice or other pests in your home, attic, garage or near other insulation, you’re in the right place. In this post Insulation Pros will aim to prepare homeowners how to spot the signs of mice and how to go about fixing your insulation once pests are removed.

What To Do If You Find Mice In Your Insulation

Spotting The Signs of a Pest Invasion

The first step is recognizing if mice or other rodents have made their way into your home. Keep an eye out for evidence such as droppings, chew marks, or even the sound of their tiny paws scampering within your walls. Addressing your rodent situation swiftly can save your insulation, and your finances, from severe harm.

How Pests Can Harm Insulation

When mice get inside your insulation, they don't just settle in. Mice will gnaw, nest, and pollute it with their waste and urine. This can weaken the insulation's performance, decrease energy efficiency, and potentially subject you to health risks, such as breathing in toxins left in the air.

Assessing the Degree of Insulation Harm

Once you’ve found out that mice have found their way into your insulation, the next step is to evaluate the damage. Skilled insulation specialists have the knowledge to find problematic areas and create the most suitable strategy for each home’s unique situation.

When to Update Insulation

So, how do you know when you should update your insulation? There are a few common indicators to look out for when examining the status of your insulation. Here are a few key signs to take into account:


  • Substantial harm to a considerable portion of the insulation
  • Mold or mildew formation due to moisture buildup
  • Lingering odors or health issues resulting from contamination


Remember, it's really important to always speak with an expert to determine the most appropriate solution for your residence. They can examine the damaged area or areas, and give proper recommendations on how to treat and install a replacement.

Selecting the Right Insulation for Your House

Choosing the right insulation for your space is key. You'll need to weigh the pros and cons of each insulation type, such as fiberglass, cellulose, or spray foam. Homeowners should take into consideration aspects like climate, budget, and home structure when making their choice.

Preventing Future Pest Invasions With Insulation Pros

After dealing with even just one mouse in the house, you more than likely never want to have to go through the same trouble again. That’s why prevention is key to keeping out pests in the future.


If you want to ensure that the mice don't come back, remember to make sure you close entry points, maintain a clean area, and don’t be afraid to use rodent deterrents to keep those pests away. Don’t forget to schedule routine inspections and insulation maintenance with a professional, either. Those steps go a long way in making sure that your insulation stays in its best condition for a long time to come.


Addressing your insulation after mice or other pests enter your home can be a hassle. But by being alert for signs of invasion, seeking advice from professionals, and implementing preventative measures, you can safeguard your home and finances. If you're a Kansas City homeowner in need of direction, please give Insulation Pros a call. We can give an insulation evaluation and properly assess the situation.

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