If pests are nesting above your ceiling or below your floors, learn how to remove them, block future access

https://wiki-net.win/index.php/Crawl_Space_Cleanup_Guide:_Removing_Contamination_After_Rodent_and_Wildlife_Infestations

If pests are nesting above your ceiling or below your floors, learn how to remove them, block future access, and clean contaminated insulation, wood, and stored belongings.