One Way Squirrel Door – Exclusion Tunnels & Exit Doors

When you are performing an exclusion to get rid of squirrels, you will eventually need some kind of one way squirrel door to let the pests out without allowing them back in. Although it should only be used as part of a broader plan, a one way door is a must-have. These devices are the only way to ensure your home is completely emptied of squirrels before sealing up their main entrance.

Purchasing a One Way Door

There are a variety of one way squirrel doors sold commercially. You may have to order one from an online supplier. There are a lot of one-way animal traps on the market, but a squirrel door is different. These contraptions are open on both ends and designed so the end opposite the door can be attached to the squirrels’ primary exit from your house. When fastened properly to the side of your house, the squirrels can scurry down the trap and out the door. The door closes behind the squirrel and leaves them unable to get back in.

Most commercial doors resemble wire traps but some are even simpler. Many homeowners have success with simple wooden boxes that screw onto the side of the house, a small hinged door cover the box. Squirrels hop down and can’t lift the lid to get back in. Squirrels are adept at squeezing into small spaces, which is why you have this problem to begin with, so make sure whatever trap you use is vetted and approved by other consumers before you take the time to install it.

Making A Homemade Squirrel Door

The internet is full of different types of instructions on how to make your own squirrel doors. Most suggest using either a wire mesh or plastic netting, similar to the kind used in construction fencing. The wire mesh can be fixed up into a trap similar to those sold in stores. The problem with this is you may not be able to construct an effective door; squirrels could become caught in the mechanism or break back in if it isn’t made properly.

A netted “door” might be the best way to make your own squirrel exclusion device. The net is simply secured into a funnel shape that is big enough at the end for the squirrels to exit but small enough that the material closes back on itself after a squirrel passes through. The end are then attached securely around the squirrels’ exit/entrance opening. This is a great option if you find the squirrel colony is trespassing through an awkward part of your house’s architecture, like at the corner of your eaves. If you are having trouble figuring out how to attach a large wire cage to the opening, a netted door might be your best choice.

One Part of the Exclusion Process

The North Carolina State University Extension program shares a basic guide to squirrel exclusion, and they recommend a one way squirrel door as a one method in a more comprehensive plan of action for expelling squirrels. It will take more than just a one way squirrel door to take care of your squirrel infestation. By reading up on squirrel control you can find out how to properly seal your home to prevent them returning and learn more about humane ways to chase the colony out of your house.

Hopefully you can now implement the door portion of squirrel exclusion. Whether you make your own door, purchase a door, or use the equipment recommended by your pest control expert, may you have the best of luck ridding your home of squirrels.


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I enjoy learning about new pest control strategies and attempt to share everything I learn at to create a reliable resource for people dealing with all sorts of pest issues.

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