What to do if there are rats on the roof? - briefly
Seal all gaps and install snap traps or bait stations on the roof, then call a licensed exterminator to assess and resolve the infestation.
What to do if there are rats on the roof? - in detail
If rodents have taken up residence on the roof, immediate action is required to protect the structure and prevent health hazards.
First, confirm the presence. Look for droppings, gnaw marks, nests, or audible activity during evening hours. Inspect the attic, soffits, and eaves for signs of infestation.
Next, eliminate entry points. Seal cracks, gaps around vents, chimneys, and roof penetrations with steel wool, metal flashing, or caulking. Install mesh screens on vents and repair damaged flashing.
Then, choose a control method. Options include:
- Snap traps – placed along walls and near known pathways; check daily and dispose of captured rodents promptly.
- Live traps – suitable for humane removal; release captured animals at least 5 m from the building, complying with local regulations.
- Bait stations – contain anticoagulant or bromethalin poison; require professional placement to avoid accidental exposure to non‑target species and children.
- Electronic repellents – emit ultrasonic frequencies; effectiveness varies, best used as supplemental measure.
If chemical bait is employed, wear protective gloves, follow label instructions, and keep the area inaccessible to pets and occupants. Consider hiring a licensed pest‑control operator for safe deployment and ongoing monitoring.
After removal, sanitize the affected zones. Use a disinfectant solution (e.g., 1 % bleach) on surfaces contaminated with droppings or urine. Dispose of nesting material in sealed bags.
Finally, implement preventive maintenance. Schedule regular roof inspections, trim overhanging branches that provide access, and keep the surrounding area free of debris and food sources. Document all actions and observations to track progress and adjust strategies as needed.