Assuming it s possums you can then work out how it gets in there.
Is it a possum or rat in my roof.
The most effective and humane way of killing rats is an electronic rat trap it zaps them and they die instantly so no dead rats in your roof has to be a good thing.
Remove the trap from the roof put it in an area of your house that is quiet and cool and cover it with an old towel or blanket to keep the light out.
The first thing to note here is that trapping possums requires a permit.
If they are nesting on the insulation in the roof this can become damaged through constant urination and will require replacing.
That factor also creates a distinctive possum smell which is easily recognised with a bit of experience.
Determine what it actually is.
This often means getting up on the roof and having a look.
Most councils have wire mesh possum traps you can rent.
Put the trap in the roof near the possum s access point and check it every morning.
It s usually a possum or rodents.
Unlike rats and mice they produce a large volume of urine so stains on a ceiling will usually indicate possums.
It is also safe when it comes to possums it is fully enclosed so they can t get at the business end of the zapper.
Rats and mice constantly move around except when nesting.
Rodents are hard to prevent getting in but we do have ways.
The subsequent liquid release will leave a mark as well as a pungent odour.
If you catch a possum you must release it within 24 hours and it must be at night.
See how to determine what s making the noise in the roof.
A possum is a large animal and it has no qualms relieving itself in your roof.
Other tell tale signs that a possum is living in your roof can be stains on a ceiling or drip marks down your walls caused by urine.