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514 Extermination

Rodents

Norway Rat

The Norway rat is a large rodent that colonizes basements and sewers in Montreal. Highly intelligent, it quickly adapts to control methods.

Danger
Size20 to 27 cm (body) + 17 to 22 cm (tail)
ColorBrown-grey
Lifespan1 to 3 years
Norway Rat

How to identify

Large rodent with brown-grey fur, blunt snout, small ears and a thick tail shorter than its body.

Typical habitat

Basements, sewers, outdoor burrows. Prefers lower levels and damp areas.

Health risks

Rats transmit many serious diseases: leptospirosis, salmonellosis, rat-bite fever. They damage structures, gnaw through pipes and electrical wires, and contaminate large amounts of food.

Signs of an infestation

If you notice any of these signs, contact us quickly.

  • Large capsule-shaped droppings (12 to 20 mm)
  • Burrows along foundations
  • Gnaw marks on wood and plastic
  • Heavy movement noises in walls or ceiling
  • Visible runways along walls (grease marks)
  • Strong unpleasant odor

How to prevent

Simple measures to apply to limit infestation risk.

  • Seal openings larger than 12 mm with metal mesh
  • Keep sewers in good repair
  • Don't leave pet food outside
  • Remove debris and dense vegetation near foundations
  • Ensure trash can lids are tightly closed
  • Conduct regular smoke tests

Norway Rat problem? We respond within 4 hours

Montreal, Laval, South Shore, North Shore. Written guarantee, certified technician, unmarked vehicle.