How can mice be removed from behind drywall? - briefly
Identify and seal any gaps in the wall or adjacent structure that permit rodents to enter the cavity. Place snap or live‑catch traps with suitable bait inside the space, monitor until activity ceases, then repair the drywall.
How can mice be removed from behind drywall? - in detail
Mice that have taken refuge inside wall cavities create damage, contamination, and noise. Effective removal requires locating entry points, eliminating the infestation, and preventing re‑entry.
First, identify the exact area of activity. Look for fresh droppings, gnaw marks, or rustling sounds. Use a flashlight and a small inspection camera to confirm presence behind the drywall. Once the spot is pinpointed, create a controlled access opening. Cut a 4‑inch square section of the wallboard with a drywall saw, taking care not to damage electrical wiring or plumbing.
With the cavity exposed, set traps directly inside. Preferred options include:
- Snap traps – steel plates with a powerful spring; place bait such as peanut butter or dried fruit.
- Live‑catch traps – mesh cages that allow release away from the home; bait similarly.
- Electronic traps – deliver a quick, humane shock; useful where snap traps are impractical.
Position traps along the mouse’s travel routes, typically near the baseboard or behind insulation. Check traps every 12–24 hours, remove captured rodents, and reset or replace traps as needed.
After the last mouse is caught, seal the opening. Replace the cut drywall piece with a new section, securing it with drywall screws and joint tape. Apply joint compound, sand smooth, and repaint to match surrounding surfaces.
Finally, block all potential ingress points. Inspect the building envelope for gaps around pipes, vents, utility lines, and foundation cracks. Use steel wool, copper mesh, or silicone caulk to fill openings larger than ¼ inch. Install door sweeps and weather‑stripping on exterior doors. Regularly monitor for signs of new activity and maintain a clean interior free of food debris to discourage future infestations.