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Question: “Do Squirrels Cause Damage in the Attic?”


Squirrels can be extremely destructive, especially when a mother squirrel has chosen your attic in which to raise her family. Call us for fast and reliable squirrel removal from attics in Toronto.

Wires and water pipes

Squirrels are rodents, and their front incisor teeth never stop growing throughout the animal’s life. To prevent their teeth from becoming overgrown, squirrels habitually gnaw on things to wear down their teeth and keep them at a manageable length.

When it comes to a suitable chewing material, anything is fair game, including wiring and water pipes in your attic. Frayed wiring presents a fire risk, especially if the attic contains dry leaves and grasses that the squirrel has bought in to use as bedding.

Spoiled water pipes may leak, allowing water to find its way into the rooms below where it could damage your furniture, carpets, and décor.


A squirrel’s favorite chewing material of choice is wood, any kind of wood. That includes your roof slats, shingles, attic beams, door frames, vents, etc. A determined squirrel will also chew through the roof itself to get into your attic if it finds a weak spot.


Squirrels can decide to use your loft insulation as nesting material, ripping out great lumps and leaving gaps and holes, allowing costly heat to escape.

Where there is a family of squirrels living in your attic, your insulation also becomes contaminated with the animals’ urine and feces, presenting a serious health hazard to you and your family and creating a foul odor.

Nesting material

Squirrels like to use natural nesting material, as well as your insulation. So, the industrious creatures commonly bring leaves, long grass, and other plant material into your attic. Unfortunately, pests and parasites can hitch a ride on the squirrel’s cargo of bedding, sometimes infesting other areas of your home.

Disease and pests

Squirrels might look cute, but they do carry pests, including ticks and fleas, both of which can harbor diseases. If you have pets, they could become the parasites’ next host.

Squirrels often die in people’s attics. The animals’ rotting corpses attract flies and other scavengers, which could later find their way into other areas of your home.

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