TL;DR: Blocking one hole doesn’t stop possums if other entry points, food sources, or shelter remain available. To prevent repeat visits, you need to secure the entire property and remove what’s attracting them.
Key Takeaways
You found the hole, sealed it up, and figured that would be the end of it until the scratching started again. When possums keep coming back after you block one hole, it usually means that opening was not the real issue. They still have access to shelter, food, or another way in somewhere else on your property.
Possums are persistent and tend to return night after night once they find a safe place to settle. Closing off one entry point might slow them down, but it rarely solves the bigger problem. To stop them for good, you need to understand what is drawing them in.
One of the most common reasons possums return is that the opening you sealed was not the only way in. Many homes have multiple vulnerabilities around the roofline, eaves, vents, fascia boards, wall cavities, and utility penetrations.
Even if you block one gap, a possum may simply move a few metres away and enter through another weak spot.
This is why thorough inspections focus on the entire structure rather than a single hole. Unless all potential access points are identified, the problem often returns.
Sealing an entry point before confirming the possum has left can create a bigger problem. If the animal remains inside a roof cavity, wall void, or other enclosed space, it will look for another way out.
The situation becomes more complicated if there are young possums present. An adult unable to reach them may repeatedly try to re-enter, causing further damage. Before sealing any opening, confirm that no animals remain inside.
Possums do not come back just because they remember the hole. They are trying to get back to a space that felt safe and comfortable. Areas like roof cavities, sheds, and under decks offer warmth and protection, making them ideal hiding spots.
Once a possum settles into a place like that, it tends to stick with it and will keep looking for a way back in.
As long as the shelter remains available, possums may continue testing the structure for weaknesses.
Even if a possum can no longer enter your roof, it may continue visiting your property if food is readily available.
If your property consistently provides food, possums may remain in the area and continue searching for shelter opportunities nearby. Reducing attractants helps make your property less appealing and lowers the chances of repeat visits.
Not every repair holds up when animals keep coming back. Quick fixes like cardboard, light mesh, foam, or loosely attached covers might work at first, but they often shift, break, or open up new gaps over time.
Effective exclusion work requires durable materials and proper installation. The goal is to eliminate access opportunities rather than simply cover a visible hole.
Blocking an entry point does not prevent a possum from reaching the roof, as overhanging branches, fences, pergolas, and downpipes can provide easy climbing routes. Once on the roof, it can inspect the structure and find alternative access points.
If repeat activity continues, examine how possums are reaching the building in the first place. Trimming branches and limiting access routes can significantly reduce re-entry attempts.
If one possum loses access to a shelter, another may eventually find your home and check it out. This is especially common in suburban areas with mature trees and plenty of food sources.
When multiple possums are active in the area, sealing just one hole usually isn’t enough. The problem tends to continue unless the whole property is properly secured.
Long-term possum control requires more than patching individual holes.
Check out the roofline, vents, eaves, fascia boards, sheds, garages, and crawl spaces for potential entry points.
Never seal an opening until you are confident the animal is no longer inside, as doing so too early can trap it within the structure and lead to further damage or distress.
Address every potential entry point across the structure, rather than focusing only on the most obvious or visible one.
Secure rubbish bins with tight-fitting lids, store pet food indoors when not in use, and regularly clean up fallen fruit or exposed compost to reduce attractants.
Trim overhanging branches so they no longer touch or hang close to the roof and reduce other easy climbing routes where itis practical to make access more difficult for possums.
Watch for noises, fresh droppings, or any signs that the possum is attempting to re-enter the property.
When possums keep coming back, it is usually because something has been missed. At 1800 Possums, we take a complete approach to solving the problem, not just patching holes. We carry out thorough inspections to identify all entry points, not just the obvious ones, and use humane, compliant removal methods that follow local wildlife regulations.
If you need professional help, our possum removal service is designed to safely remove possums and prevent them from returning by addressing the root cause of the issue. Our work focuses on long-term results, with durable exclusion solutions designed to prevent re-entry, and we provide clear advice on reducing attractants and protecting your property so the issue does not return.
If you are tired of blocking holes only to hear scratching again, it is time for a complete solution. Our team will identify exactly how they are getting in, remove the problem safely, and secure your property so they do not come back.
Contact 1800 Possums today for a professional inspection and long-term possum control.
