Bats can enter the roof or sides of houses and cause damage to insulation and strange noises. Bats are beneficial and protected so should not be sealed in. The most important step when bats are identified or found is to have a good inspection of the structure to locate entry points. Wildlife & Waterfowl Solutions LLC provides a report and pictures outlining the recommendations for bat removal. We are NWCOA certified in bat standards and will remove the bats with vents and seal up all areas that need sealing. It is becoming more common that bats are using attics. Caves have not provided to be healthy or productive in recent years. We do not do insulation removal or cleaning and a professional in that industry should be contacted.