Mice in the house in winter: prevention and action

L'équipe AntinuisiblePro · Published on November 14, 2024 · 1 min read
Small grey mouse on a wooden floor inside a house

When temperatures drop, mice leave the outdoors to find warmth and food… often in our homes. A single mouse can quickly become a small colony. Here is how to avoid a winter invasion.

The signs of an intrusion

Discreet, mice give themselves away through:

  • small black droppings shaped like grains of rice;
  • scratching noises at night in the walls or attic;
  • gnawed packaging and tooth marks;
  • a musky urine odour in confined spaces.

Mouse passing through a crack in a wall, a typical entry point

Closing the door to rodents

A mouse slips through a 6 mm hole. To block its way:

  1. Inspect door thresholds, pipe openings, vents and cracks.
  2. Seal the openings with steel wool or mortar.
  3. Store food (including pet food) in airtight containers.
  4. Tidy away wood, cardboard and clutter that offer hiding places.

Acting effectively

Faced with an established presence, a structured plan is best: identifying the runways, suitable devices and follow-up. Discover our rodent control services and our products to protect your home for good.

Suspicious noises in the walls? Contact our experts for a free assessment before winter.

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A pest problem?

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