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Are Unwanted Visitors Living in Your Chimney?

To a nearby critter, climbing up your chimney is no different than climbing a tree.  Without a chimney cap and mesh screen to keep them out, small animals like birds, raccoons, squirrels, and even pests will crawl inside the flue. When one small animal moves into your chimney, it often attracts other visitors. It doesn’t take long to have an infestation.

Professional Chimney Inspection in Trenton, NJ Small animals in the chimney

If there are unwanted visitors in the chimney, you may hear them scurrying around in the evening. They may be scratching, gnawing, or squealing when frightened or trying to get out of the chimney. You may hear small birds or bats flapping their wings against the side of the flue. Some small animals get stuck and are unable to escape. Others like rats or mice may climb down the flue and enter your home through the fireplace with an open damper. Since they also bring in dirt and debris and leave droppings while inside the chimney, it is often a source of foul odors. So, if you hear scratching sounds at night or it’s getting pretty smelly inside the fireplace, you may have some unexpected visitors living in the chimney.

Removing live animals from the chimney

If you think there may be small animals living in your chimney, don’t light the fireplace to try and smoke them out. Also, avoid trying to catch them yourself. While these critters may look cute and harmless, they have razor-sharp teeth and claws.


They can also be a carrier for bacteria, viruses, and diseases. So, it’s best to call your chimney professional. A chimney professional will safely and humanely remove the animal and release it away from your home.

chimney cap installation in Lawrenceville NJInstall a chimney cap

Installing a chimney cap will keep small birds, animals, and pests from entering the flue. It will also keep out water and debris like small leaves and twigs. They are inexpensive and are available in different designs that can also enhance the appearance of your chimney. Look for caps that have a mesh screen. It allows the smoke and contaminants to vent while keeping out unwanted visitors. Many chimney caps also have a spark guard feature that prevents hot embers from flying out of the chimney and landing on the roof.

Check your chimney cap at least once per year during your annual chimney inspection. A damaged chimney cap should be repaired or replaced as soon as possible to protect your chimney.

Top Sealing Damper

Another option for keeping unwanted guests from living in the chimney is to install a top-sealing damper. A standard throat damper seals the flue just above the firebox. However, a top-sealing damper closes off the entire vent from the top. It is often a more effective method for protecting the flue when the fireplace is not in use.