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Since 1893,

Providing Peace of Mind
to New England & Upstate
New York Residents and Businesses

Keeping Rodents Out!

August 27, 2010

With Fall comes the time of year where when our calls for mice invading homes and structures looking for shelter increase.  We know the best approach to mouse (and rat) control is prevention. When rodents invade, our experts can use low impact, low risk tools and approaches to eliminate the invaders, but there is still no substitute for prevention. The US Center for Disease Control and Prevention recently published the following recommendations for keeping rodents out. We have added a few items we have found helpful.

Seal up holes inside and outside the home to prevent entry by rodents.  Mice can squeeze through a hole the size of a nickel, and rats can squeeze through a hole the size of a half dollar! Prevent rodents from entering the home by checking inside and outside the house for gaps or holes.

Where to look for gaps or holes inside your home

  • Inside, under, and behind kitchen cabinets, refrigerators and stoves.
  • Inside closets near the floor corners.
  • Around the fireplace.
  • Around doors.
  • Around the pipes under sinks and washing machines.
  • Around the pipes going to hot water heaters and furnaces.
  • Around floor vents and dryer vents.
  • Inside the attic.
  • In the basement or crawl space.
  • In the basement and laundry room floor drains.
  • Between the floor and wall juncture.

Where to look for gaps or holes outside your home

  • In the roof among the rafters, gables, and eaves.
  • Around windows.
  • Around doors.
  • Around the foundation.
  • Attic vents and crawl space vents.
  • Under doors.
  • Around holes for electrical, plumbing, cable, and gas lines.

Fill small holes with steel or copper wool. Put caulk around the steel or copper wool to keep it in place. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix large holes. These materials can be found at your local hardware store. Fix gaps in trailer skirting's and use flashing around the base of the house. If you do not remember to seal up entry holes in your home, rodents will continue to get inside. Outbuildings and garages should also be sealed to prevent the entrance of rodents.

Keep doors closed at all times when not in actual use. Avoid storing fire wood and outside equipment next to building walls. Regrade the ground around the foundation to allow for at least 24 inches of foundation to show. Remove unused pet food and spilled bird seed.