Urinefree will work on rat possum urine but part of the problem with rat or possum urine in the roof is that the urine odour has nowhere to escape.
Possum urine smell in roof.
But when it stains through from the attic onto your ceiling the stain will look darker because of the nature of drywall.
You could use lemon scented clorox with a bit of dish detergent and just ventilate the room well so the fumes do not over come you.
They don t possess the raw capacity for stink that a skunk does but skunks rarely spray if dealt with correctly.
To use it you just need to put in place the sprinkler lid and sprinkle the place where you do not want to see the possums a little.
Color opossum urine is yellow in color like pretty much all mammal urine.
Removing possum urine odor.
If the urine is in the roof a confined space we recommend before using urinefree to ventilate the roof.
If possible sweep the water out the door let air dry and sit fans down there to help dry.
If you can remove a couple of roof tiles do so.
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.
In case the site of the infestation in your attic roof or your garage or any indoor place and when liquid repellents are not an option because of their stench the next best option is a granular repellent.
Perhaps if you can also use a small fan to circulate the air.
These repellents usually contain active ingredients like black pepper and capsaicin which emit a smell that opossums find unbearable.
If there is a window open it.
If it s possible since both floor and walls hard washable maybe you could use a pump spray washer on it then scrub it with a brush and rinse again.
If you don t feel like bothering with the granules go ahead and use another natural possum repellent namely the red fox urine.
Clorox kills germs and smells.
The subsequent liquid release will leave a mark as well as a pungent odour.
Opossums are definitely the smelliest animals that i deal with.
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.
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.
They can also leave behind the foul stench of urine and brown stains of secretion from their glands which they use to mark their territory.
A possum is a large animal and it has no qualms relieving itself in your roof.