How to Remove a Dead Mouse in a Wall


Mice and other rodents often use walls as nesting areas and tunnel systems to move between rooms and floors without fear of humans and household pets. Whether or not you use mice poisons, these and other rodents may die within the walls of your home, creating pungent odors and attracting pest insects. To remove dead rodents from your walls, floors or ceilings, you must cut into the wall and then attempt to locate the source of the foul odor. Unfortunately, you may end up cutting several holes before you locate the dead mouse.

Things You'll Need

  • Plastic sheeting
  • Stud finder
  • Pencil
  • Rotary saw
  • Disinfectant spray
  • Bleach
  • Water
  • Disposable gloves
  • Sealable bags
  • Sniff around your home to locate the room the dead-mouse odor is coming from. Once you narrow it down to the strongest-smelling rooms, walk slowly around the rooms sniffing out the areas with the highest concentration of the odor. You may also try smelling the wall from side to side and top to bottom to help locate the exact location of the dead mouse.

  • Place plastic sheeting on the floor below the dead mouse's suspected location to catch insulation and plasterboard or wall paneling debris that falls when you cut into the wall.

  • Locate wall studs with a stud finder to ensure you do not cut into them while cutting into the wall covering. Mark the location of wall studs with small pencil marks you can easily erase or wipe away with a damp cloth.

  • Cut into the wall with a rotary saw, leaving a 1-inch gap between your cutting line and the wall stud. Make the opening large enough for you to easily reach in and remove the mouse. You may have to enlarge the hole or create additional holes if you cannot locate the dead mouse with your first try.

  • Disinfect the rodent before you touch it, if possible. To do this, spray the dead rodent with a disinfectant spray or create your own spray by diluting 1 cup of bleach in 10 cups of water.

  • Remove the disinfected dead rodent with a glove-covered hand. Place the rodent in a sealable bag and then place the first bag in a second bag to control odor. Dispose of the rodent by burying or placing it in your garbage and then immediately remove the garbage from your home.

Tips & Warnings

  • If you cannot locate the dead mouse in your walls, it could be trapped in your ceiling, floor or attic space.
  • Spray insecticide in the wall space to kill pest insects residing around the dead rodent.

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  • Photo Credit Michael Blann/Digital Vision/Getty Images
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