How to Get Rid of Roof Rats?

Key takeaways

Have you heard a soft scritch-scratch above your head during the night? Well, that’s a sign of roof rats scribbling around the corner. Trying to make a living within the walls of your storage and turn your roof into their personal space.

Here are some expert tips and trusted strategies on how to get rid of roof rats. Let’s get into it.

What Are Roof Rats?

When you think about roof rats, they are stealthy, smart, and like to climb trees, power lines, and walls to get into homes. They make their own ways through roof gaps, vents, and overhanging branches.

Roof rats are called black rats or ship rats. They have slender, agile rodents that prefer high places. They're usually 16 to 20 cm long, excluding their tail, with sleek dark fur, large ears, and a pointed nose.

Where Do Roof Rats Hide?

They can escalate quickly, leading to costly property damage, contaminated food, and serious health risks. Wondering where they get to stock the food and where these pests live? Usually roof rats thrive in:

Attics and ceiling voids

Wall cavities and roof insulation

Dense vegetation near roofs or fences

Signs of a Roof Rat Infestation

Don’t get too easy on them. Keep these signs as a warning that roof rats are getting in your property without you knowing. Here are hints of roof rat infestations:

Scratching or gnawing sounds at night

Droppings like pointed and dark in roof spaces or cupboards

Grease marks along beams and ledges

Chewed wires, insulation, or packaging

Nests made of shredded paper, leaves, or insulation

Occasional sightings, usually at night

8 Ways of How To Get Rid of Roof Rats

They’re a silent threat nesting above your head. And by the time you hear scratching in the ceiling or notice chewed insulation, chances are they’ve already made themselves at home. Here's your quick action guide to dealing with rats:

1. Set Traps

No rats getting out if they are cornered. Use snap traps or live traps in roof voids, corners, or along known pathways. Always place traps in secure areas away from pets or kids.

2. Use Bait Stations

Bait stations are effective ways, but they should be used surely but carefully with professional supervision. Improper use can be dangerous to pets, wildlife, and even children.

3. Remove Food and Water Sources

Rats are opportunistic. Keep pet food sealed, manage rubbish bins, pick up fallen fruit, and fix leaky taps or pipes.

4. Use Natural Repellents

5. Seal Entry Points

Block roof access points with steel mesh, seal gaps around vents and pipes, and trim tree branches that touch your home.

6. Maintain a Tidy Yard

Trim tree branches, clear vegetation, and keep wood piles away from the house.

7. Inspect Your Roof Often

Spot issues early by checking for signs like droppings, smells, or chew marks.

8. Call in the Pros

Are Roof Rats Dangerous?

Yes, and not just because they chew your wires. Your health and safety could be at risk if left untreated. Roof rats can:

Spread diseases like leptospirosis, salmonella, and hantavirus

Once touched, they contaminate food and water.

Ruined food stores and pantries

They trigger allergies and asthma.

Increase fire risks by chewing electrical wiring

Damaged insulation reducing energy efficiency

Rats cause structural damage to eaves, walls, and ceilings.

Foul odours from dead rats trapped in walls or ceilings

What Diseases Do Roof Rats Carry?

Roof rats are known carriers of:

Can Roof Rats Jump or Climb?

Roof rats are good at both jumping and climbing. These rodents are excellent climbers and can leap up to 60 cm vertically or across branches and fences. That's why they’re so good at invading roofs in the first place. Keeping your trimmed tree branches away from the house can help you settle in.

Don’t Wait Until It’s Too Late

Roof rats don’t go away on their own. In fact, one pair can turn into hundreds within months. If you suspect or confirm an infestation, the best time to act is now.