What should I do about mice behind the wall? - briefly
Inspect for entry points, seal gaps, and place traps or bait stations; then contact a pest‑control professional for thorough removal and prevention. Monitor for activity and keep the area clean to discourage re‑infestation.
What should I do about mice behind the wall? - in detail
Mice hidden in wall cavities create noise, damage insulation, and can contaminate the interior environment. Effective control requires a systematic approach.
First, locate the activity. Listen for scratching or scurrying, inspect for droppings, gnaw marks, or shredded material near baseboards, vents, and utility openings. Use a flashlight to examine any accessible voids.
Next, eliminate entry points. Examine the exterior for gaps around pipes, cables, and foundation cracks. Seal openings with steel wool, copper mesh, or expanding foam that resists chewing. Apply caulk or metal flashing where needed.
Then, deploy control devices inside the wall. Options include:
- Snap traps placed against the interior wall surface, baited with peanut butter or dried fruit.
- Live‑catch traps positioned in concealed corners, checked and released far from the property.
- Bait stations containing rodenticide, secured in tamper‑resistant containers and placed where children or pets cannot reach.
If traps are ineffective after several days, consider contacting a licensed pest‑management professional. They can use ultrasonic devices, bait stations with regulated poison, or structural repairs that are not feasible for a homeowner.
Finally, prevent recurrence. Maintain a clean perimeter by storing firewood away from the building, removing debris, and trimming vegetation that contacts the wall. Regularly inspect for new gaps after seasonal weather changes and repair any damage promptly.
Monitoring should continue for at least two weeks after treatment. Record any sightings, trap captures, or new signs of activity. Persistent problems indicate that the infestation may extend beyond the visible cavity, requiring comprehensive remediation.