Squirrels in the Attic in Florida: What They Chew and How to Get Them Out

Florida's eastern gray squirrels do not slow down in winter. There is no hard freeze to drive them indoors, no frozen ground to limit food searches. What there is, year-round, is heat, humidity, and a population of squirrels that stays active and reproductively aggressive across every month of the calendar. Homeowners in Orlando, Tampa, and Cape Coral know this: the scratching in the ceiling is not a seasonal problem. It can start any week.

What most people do not know is what happens after the squirrel settles in. The gnawing starts almost immediately. Wiring, plastic pipe, foam insulation, wood joists. A gray squirrel's front teeth grow roughly six inches per year and must be worn down constantly. Your attic materials are as good as anything else for that purpose. This guide covers what the damage actually looks like, why the fire risk is real, how Florida's two nesting seasons affect your removal options, and what professional exclusion involves from start to finish.

What Squirrels Chew Inside a Florida Attic

Squirrels in an attic chew wood framing, plastic plumbing supply lines, foam board insulation, and electrical wiring. The wiring is the highest-stakes item on that list. When a squirrel strips the insulation from a 14-gauge wire and leaves bare copper in contact with or close to adjacent conductors, the result is an arcing condition. That arc can ignite surrounding insulation, dried organic debris, or old wood framing, sometimes days or weeks after the initial damage.

The U.S. Fire Administration attributes roughly 25,000 home fires per year to rodents chewing electrical wiring. Squirrels are among the most common attic-dwelling species responsible. In Florida, where attic spaces often sit at 130 degrees or higher in summer, that ambient heat creates conditions where electrical failures escalate faster than in cooler climates.

Florida attics also present a specific secondary concern: moisture. When squirrels tear apart blown-in insulation to build nests, they break up the uniform layer that keeps humid outside air separated from the conditioned space below. Gaps in insulation coverage create condensation points, which can compound structural wood damage over time.

Beyond wiring and insulation, the damage list includes:

• Gnawed roof decking and rafter tails, weakening structural members near the roofline
• Chewed plastic water supply lines, which can drip slowly inside walls before anyone notices
• Contaminated insulation from urine and droppings, which introduces persistent odor and leptospirosis risk
• Entry-point enlargement, where a gap a squirrel first squeezed through gets chewed wider, eventually admitting larger animals

Damage along the eaves and above exterior walls is often invisible from the attic hatch. A thorough inspection reaches those areas, not just the center of the attic floor.

Is the Fire Risk Actually Serious?

Yes, and Florida homes face a version of this risk that is worth naming specifically. Many older homes in the Tampa Bay area, in Fort Lauderdale, and across South Florida have attic wiring from the 1970s and 1980s that uses aluminum conductors or older insulation types. Aluminum wiring in particular is more susceptible to damage from heat cycling and mechanical stress. A squirrel bite on a worn conductor in an already-aged circuit creates a different risk profile than the same bite on new copper wiring in a newer home.

An electrician who inspects an attic after squirrel removal will sometimes find conductors with visible bite marks that did not cause a fire simply because the arc happened to face away from combustible material. That is proximity and luck, not a margin of safety anyone should count on.

The practical takeaway: if squirrels have been in your attic for more than a few weeks, schedule an electrical inspection after the animals are removed. Most home insurance policies cover wildlife damage, but some carriers require documentation of a wiring inspection before they process a claim. Ask your agent before the remediation begins so you know what to document.

Florida's Two Nesting Seasons and Why They Change the Removal Timeline

Female gray squirrels in Florida raise two litters per year, and those nesting peaks shape when attic problems spike and how removal must be approached. According to the Florida Fish and Wildlife Conservation Commission (FWC), the primary nesting periods for eastern gray squirrels in Florida run roughly January through March and again in July through August. These windows are when females actively seek sheltered cavities and when new squirrels are most likely to investigate entry points on your roofline.

A nesting female with young pups inside the attic will not leave voluntarily. If a one-way exclusion door is installed before the pups are old enough to follow her out, she will work relentlessly to force re-entry, often creating new damage in the process. An experienced technician checks for the presence of dependent young before installing any devices, and may delay full exclusion by a short period to allow the litter to reach mobility age. This is not a delay for its own sake. It is the approach that prevents a worse outcome.

Florida's year-round warmth also means that outside of the two peak periods, squirrels still use attics as food caches and sleeping quarters. The problem does not go dormant the way it might in northern states. A squirrel that found your roofline in March may still be inside in October.

How Professionals Remove Squirrels

Exclusion is the professional standard: sealing every entry point except one or two, then fitting those remaining openings with one-way doors (also called one-way exclusion funnels). The device allows a squirrel to exit normally to forage but prevents re-entry. Within five to ten days, all animals inside have left under their own power. The technician returns, removes the devices, and permanently seals the final openings.

No relocation stress, no separating mothers from dependent young when the timing is correct, no animals dying inside the structure.

The process in sequence:

• Full perimeter inspection: Every potential entry point is documented. Eastern gray squirrels can pass through a gap as small as 1.5 inches, roughly the diameter of a golf ball. Every opening that size or larger on the roofline, soffit, fascia, and gable vents gets marked.
• Secondary sealing: All entry points except the primary active one are sealed with galvanized hardware cloth, aluminum flashing, or copper mesh, matched to the material and location.
• One-way door installation: A one-way exclusion device goes over the primary opening. The design varies based on the species and the specific gap geometry, but the function is consistent: exit freely, no return.
• Monitoring period: Five to ten days. Signs of attempted re-entry (chewing around the device, bark stripped from nearby branches, fresh debris at the opening) tell the technician whether all animals have exited or whether a secondary gap was missed.
• Final seal and device removal: Once activity stops and the monitoring period confirms no remaining interior occupants, the one-way door is removed and the opening is permanently sealed.

From first visit to final seal, the process typically spans one to three weeks depending on the complexity of the roofline and the size of the infestation.

What About Trapping?

Live trapping has a limited role in squirrel removal. It is sometimes used when young squirrels inside are not yet mobile and must be manually relocated to a safe nearby site with their mother, or when a specific section of the structure makes one-way door placement impractical. Trapping alone, without exclusion, does not fix the problem. New squirrels discover and use the same entry points within weeks.

Florida gray squirrels and fox squirrels are classified as game animals under state law. According to the Florida Fish and Wildlife Conservation Commission (FWC), trapping or relocating them without proper authorization is subject to legal penalties. Fox squirrels in parts of the state carry additional protected status. A professional removal company keeps the work within FWC rules and carries any authorization required.

Poison is not an option for squirrel removal under any circumstances. It creates secondary poisoning risk for hawks, owls, foxes, and neighborhood pets that may feed on a poisoned squirrel. It also leaves carcasses in wall and ceiling cavities that produce weeks of odor and fly activity, which is both expensive and disruptive to address.

Sealing That Actually Holds in Florida's Climate

Florida's humidity and heat cycling accelerate material degradation faster than most climates. Standard caulk and wood filler that might hold for a season in a dry northern state will crack and shrink within months in the Orlando or Naples heat. Squirrels are good at finding newly weakened points.

Durable exclusion materials for Florida rooflines include:

• 16-gauge galvanized hardware cloth: Stapled flush and then covered with aluminum or galvanized steel flashing to prevent edge gnawing. The flashing also sheds water and slows corrosion from salt air in coastal areas like Sarasota and Fort Myers.
• Copper mesh: Effective in irregular gaps and where hardware cloth is hard to fit cleanly. Squirrels do not chew copper, and it does not rust.
• Aluminum flashing: Applied over wood joints at roof-to-fascia and fascia-to-soffit seams, where water infiltration and wood rot tend to open gaps over time.
• Steel-screened vent covers: Factory-installed plastic soffit and gable vents are easily chewed through. Steel-screened replacements are the long-term answer, especially on homes with older plastic vent covers that have already been sun-degraded.

A reputable technician will also flag conditions likely to create new entry points within the next year or two: overhanging branches within eight feet of the roofline (the squirrel's primary highway onto the house), rotting fascia, or missing drip edge that lets both water and animals behind the first row of shingles. Trimming back tree canopy is one of the highest-value preventive steps a homeowner can take independently.

What Does Squirrel Removal Cost in Florida?

Costs vary based on the size of the home, the number of entry points, the complexity of the roofline, and whether attic cleanup or electrical inspection is included. Straightforward jobs on smaller structures typically run a few hundred dollars. Larger homes with multiple active entry points, significant nesting contamination, and follow-up electrical assessment can reach over a thousand dollars or more. Any company offering an accurate quote over the phone without an inspection is guessing. A free on-site inspection is the only honest starting point.

Some homeowner's insurance policies cover squirrel damage, particularly if wiring or structural members were affected. Documentation matters: photos of damage, the inspection report, and the contractor's written scope. Ask about this at the inspection so your technician knows what to capture.

For more on what wildlife removal typically runs in Florida, see How Much Does Wildlife Removal Cost in Florida. If you are not certain whether you have squirrels or another animal, What Is That Scratching in the Attic walks through how to tell. Roof rats are the most common confusion species in Florida and share many of the same entry points, so Roof Rats in Florida is worth a read if you have ruled squirrels out but the problem continues.

Frequently asked questions

Related reading

• What Is That Scratching in the Attic?
• Wildlife Removal Cost in Florida
• Roof Rats in Florida