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How Do Squirrels Get into Houses

An experienced wildlife control technicians knows that squirrels are capable of entering homes through dozens of potential entry points. Below are some of the more common points of entry:

Roof Vents

VLUU L100, M100  / Samsung L100, M100

A plastic roof vent chewed by squirrels to get inside the attic

The plastic and aluminum vents on your roof are installed to allow for proper attic ventilation. Unfortunately, curious squirrels are able to feel the warm air escaping the attic and know that they can find a cozy place to nest by chewing past the vent cover.

Roof Edge

Squirrels chew fascia openings to enter attics

Chewed wooden fascia boards are a common squirrel entry point

The edge is where all the rain and melted snow that on your roof eventually ends up. Ice dams, clogged gutters and vegetation all serve to keep this area more wet for longer periods than any other point along the roof. As a result, shingles and roof boards in this area tend to deteriorate more quickly, allowing squirrels the opportunity to create openings.

The way a squirrel’s mouth is designed makes it difficult for them gnaw holes through the top of your roof. The roof edge provides an angle for them to work and chew at until they can create a space large enough for them to enter.

Roof-Soffit Intersections

Roof-Soffit Intersections are most often found where two roof meet. At these points, shingles from the lower roof meet with the soffit from the upper section. When soffits are installed they often fail to meet flush with the shingle below. The resulting gap allows squirrels to run straight into your attic.

Gable Vents

A gable vent clogged with squirrel nesting material

A gable vent clogged with squirrel nesting material.

Like roof vents, gable vents are designed to help circulate air through the attic. They are usually installed in pairs at opposite ends of the home. Constructed from wood, plastic or aluminum, the slats provide an edge that can be easily chewed by squirrels.

Wall Vents

The plastic grill over this fan vent cover has been chewed to allow entry

The plastic grill over this fan vent cover has been chewed to allow entry.

The exhausts for kitchen, bathroom and dryer fans are often positioned on the exterior walls of homes. The plastic covers installed over top of the openings do little to stop squirrels from moving in. The vent pipe inside your home resembles a tree cavity and is a perfect place for squirrels to nest but can also create unsanitary conditions and fire hazards.

Plumbing Mats

Squirrels chewed the rubber mat around this plumbing vent to gain entrySquirrels chewed this rubber plumbing mat to access the attic

The cylindrical vents on your roof connect to your plumbing system and are used to exhaust sewer gases. When installing a plumbing vent, a hole is cut through the roof to extend the pipe outside. To make it easier to run the plumbing, the hole in the roof is usually cut much larger than necessary for the pipe. The open space at the base of the roof is then covered with a rubber matting. Squirrels will chew at the soft rubber mat to nest in the attic space below.


A squirrel entry into a chimney

Squirrels chewed this aluminum cap to enter the chimney

Uncapped chimneys are an open invitation for squirrels. Depending on the materials used to line the chimney, squirrels may or may not be able to come and go. Squirrels will often fall and become stuck at the bottom of chimneys. This is often the case with smooth steel and clay lined flues. When it comes to chimneys lined with brick, squirrels are able to ascend and descend with ease, allowing them to nest on top of the fireplace.

Skedaddle begins every job by performing a thorough inspection of your home. Our technicians are trained in roof and ladder safety to access even the most hard reach places. Call Skedaddle to find out exactly how squirrels have got into your home 1.888.592.0387.