Does Insulation Prevent Pests From Entering the Attic in Your House?


A squirrel on the roof of a house

With spring officially here, it’s possible that many homeowners in Ontario will discover that they have had some unwanted guests living in their attic over the winter. Did you know, however, that having your insulation removed and replaced can stop pests entering your house?

With the province experiencing a particularly cold winter each year when compared with many other countries, many of our native animals look to our houses and attics for a place to hibernate and shelter during these frigid months.

What animals can live in my home?

There are a number of different animals that might choose to live in your attic, as it makes a warm, dry and comfortable habitat. The most popular of those animals include:

Bats: Bats are common in Southern Ontario and are one of the most common animals found residing in attics. They are able to squeeze through tiny roof vents and small holes that are about the size of a quarter, and tend to live in colonies as small as a few to several thousand. Large numbers of bats can leave behind large mounds of feces and urine in your attic. Bat dropping may also contain parasites harmful to human health.

Birds: Pigeons and other birds can cause similar damage to bats, and they also may be harmful to your health. Like bats, birds usually make their presence known in and around the spring season but are more active during the summer.

Mice and squirrels: Mice and squirrels will be more active and likely to live in your home during the colder months.

Raccoons: Raccoons can be found breaking in or living in your attic at any time of the year; they are a more robust animal and are less affected by the weather.

Can animals really damage my home?

Animals can do a lot of damage to your home or cottage, your attic and the insulation within your house. In fact, animals tend to move the insulation around, leaving cold, bare spots that can lead to ice damage, water intrusion, mould and general discomfort in your home.

On top of that, animals also leave behind urine and feces which can also lead to foul smells and water stains on ceilings. These droppings must be treated with the utmost care, since parasites and bacteria within the waste can lead to severe illness in humans if inhaled or ingested.

What should I do if there are animals living in my attic?

If wildlife has been living in your attic, your insulation should be removed and all electrical wiring inspected by a qualified electrician. Not only will this ensure your house is insulated properly to stay warm in the winter and cool during the summer, insulation can also prevent animals from entering your home in the future.

Remember, prevention is key. It is much easier to stop animals from entering your house than it is to get them to leave.

At Georgian Insulation, our modern removal system and expertly trained professionals will quickly and safely remove your old insulation and replace it with a superior insulation that prevents animals from entering your house and keeps your HVAC system working efficiently.

Want to find out exactly how we work? Contact our team of experts today.​​

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