The Best Way to Get Rid of Mice in the Attic

Often weighing less than an ounce, the common house rodent is small enough to wriggle through tiny holes and cracks.

Getting rid of miceGetting rid of mice
The most humane way to kill the mice in your house is with the traditional wooden trap, which kills mice instantly. Glue traps, in contrast, cause slow starvation and rodent poison is potentially dangerous for pets. A comprehensive rodent elimination plan involves not only trapping the mice but also locating and blocking points of entry.

Inspect the entire house, from foundation to roof, for small cracks and holes that could be used by mice as entry points. A thorough search is necessary, as mice in the attic may have entered on a different floor of the house. This is often the most difficult and time-consuming part of the task but it's necessary to prevent future infestation.

Fill all small cracks and holes with expanding foam sealant. There are two types of foam sealant: latex-based and polyurethane-based. Either type will work for this task.

Locate mouse droppings in your attic and place wooden spring traps where you find the droppings. Place the bait on the traps and carefully set them.

Remove and dispose of the mice carcasses.

Vacuum any rodent droppings left behind with a vacuum cleaner not used for regular household cleaning. For this purpose, it's best to purchase a small, high-powered vacuum with a hose extension, such as an easy-to-carry Dewalt or Shopvac, that can be left in the attic for cleaning in that space only.

Things You Will Need

  • Expanding foam sealant
  • Wooden, spring-based rodent traps
  • Bait for traps
  • Portable vacuum with hose extension
  • Full-face respirator
  • Long rubber gloves


  • When removing carcasses and cleaning up rodent droppings, remember to wear a full-face respirator and long rubber gloves. Contact with mice droppings and carcasses can lead to illness.

About the Author

Juan Ramirez has been a writer for over 14 years and worked for two years as an assistant editor with an internationally circulated journal. Ramirez holds a Bachelor of Arts in English writing from Potsdam State University and a Master of Arts in individualized study from New York University.