attic by climbing trees near the house and entering through chimney holes and attic vents. they can also climb through a dryer vent when it’s not in use. in order to prevent this from happening you will need to block these openings by placing a mesh vent cover. leave one burrow open for any possum left to escape out of the burrow before blocking them in around your the surface of your home.
areas on the upper area of your home can be blocked off once you know they are not inside the attic or chimney. use slotted mesh vents to cover up the areas and when you are certain that 