How to Get Rid of Mice in Attic Under Insulation
When CityNews Toronto covered a rodent infestation at a Midtown grocery store, it served as a powerful reminder that rodents can settle under attic insulation and spread quickly through a home. They chew on electrical wiring and contaminate insulation that touches your living space. Once this happens, the damage can extend well beyond the attic.
At SWAT Wildlife, our team helps homeowners remove mice and other pests safely. Knowing how to get rid of mice in attic under insulation requires more than setting traps. It starts with a full inspection and a plan to prevent future infestations.
How to Get Rid of a Mouse Infestation in Your Attic Crawl Space
Inspect and Seal Every Entry Point
Every successful removal begins with a careful inspection of the exterior where we look for open holes or cracks along the foundation and roofline. Mice are notorious climbers who can enter through gaps the size of a dime, which is why during an entry point inspection, we use steel wool, metal flashing, or hardware cloth to block each gap and make the property rodent proof. Insulation alone will not stop them. We also remind homeowners that food sources and improperly stored birdseed attract mice and other rodents. Closing gaps early helps stop a small rodent problem from growing into something larger.
Lift and Clean Beneath the Insulation
After sealing the exterior, our technicians move inside to locate active areas. Mice tend to burrow beneath batt and blown-in insulation where they can stay hidden, so we lift insulation carefully and look for the telltale signs of activity, such as nesting debris, mouse droppings, urine stains and chew damage.
These materials can pose health risks if disturbed. We wear protective gear, remove contaminated material, and safely dispose of it outside the home. Cleaning the attic also removes scent trails that attract mice back to the same areas, which will help restore your attic space and prevents odors from spreading into the rest of the house.
Set Traps in Key Locations
Set mouse traps in strategic locations where activity is visible. Snap traps or enclosed bait stations are best placed along runways, behind beams, near potential entry points, and near stored items. Check traps regularly until all activity stops.
Work with Professional Pest Control Experts
If movement, droppings, or new nesting appear after cleanup, the infestation may be deeper than expected. Our pest control experts know where mice tend to hide and how to reach difficult areas without spreading contamination.
Our mice removal services remove mice completely and prevent future infestations to leave you with peace in mind.
Restoring a Safe and Clean Attic
Never underestimate how much damage a few home mice can cause. At SWAT Wildlife, we provide attic and crawlspace insulation services and full attic infestation services to replace insulation damaged by rodent infestations. When there are signs of mice in your attic, contact SWAT Wildlife to schedule an inspection and restore your attic to a clean, safe condition.