Then the only solution is to cut an access point into the wall.
Possum smell in roof.
The usual signs of having possums in the roof are heavy bangs on the ceiling or roof at night as they run around hissing or coughing noises and stains or a strong ammonia smell caused by their urine.
Place a rag inside the ammonia and bring one end up through a hole cut into the lid.
The subsequent liquid release will leave a mark as well as a pungent odour.
If using ammonia pour a small amount of ammonia into a coffee can with a lid.
Pets including cats and dogs will also alert you to the fact that a possum is living with you.
Leave it in the roof for a few days for the possum to investigate and start putting its scent on.
Place it around 4 m up in a nearby tree.
If you ve ever had a possum living above your ceiling you know they can be quite noisy fighting screeching and running along the roof.
A possum is a large animal and it has no qualms relieving itself in your roof.
Possum living in whirly bird while we can generally locate most dead animals in the ceiling space of homes some manage to get into wall cavities or inaccessible places in the roof.
If this is the case we will of course discuss these costs with you before taking any action.
Spread something that smells potent.
Ammonia and garlic are scents that possums tend to flee from.