Damage Caused by Flying Squirrels in Attics Flying squirrels set up nests in attics to escape predators and cold weather, as well as to raise their young. Once inside, they become responsible for serious property damage b y chewing up insulation and gnawing on support beams. The pests also cause a number of health issues with t heir presence. In addition to creating unclean environments by letting their feces and urin e collect, flying squirrels also carry lice, ticks and fleas into attics. These secondary pests spread diseases such as Lyme disease, typhus, and the plague. Prevention & Removal Homeowners can reduce the possibility of finding flying squirrels in the attic by replacing broken window screens, fixing damaged vents, and repairing holes in roofs that allow the pests to enter. Additionally, the use of strobe lights and other scare tactics can be helpful. If flying squirrels still find a way inside, individuals should contact professional wildlife removal services. The trained technicians at Critter Control know the best ways to get rid of flying squirrels in attics as well as how to prevent future infestations.