Friday, December 9, 2011

How using excluders got rid of bats

I asked my mom to google how to get rid of bats and this is the article she sent me.  It worked.  I am not sure I want to know the number of bats that were living in our south wall.  Early each morning, we would hear the sound of many many bats returning home from a night of hunting.  Each evening, we would hear the sound of them leaving.  This sound was the rustle of wings and lots of squeaking.  In fact the sound could be heard almost all day in our office walls.
What you need:
  • Excluder (window screen)
  • Screen cutter
  • Stapler and staples
  • Small pieces of wood
  • Caulk, steel wool and cement
Find where the bats are roosting and then look for the entryways, usually an attic, chimney, under shutters and siding, in roof tiles, and eaves. A bat can get in trough an opening as small as 1/4-inch by 5/8-inch. Go out at dusk and observe where they are emerging.  (NOTE:  we knew where they were emerging just under our eaves.)
Attach excluders over every opening. These devices allow bats to exit, but not re-enter. They consist of small pieces of window screen stapled over the opening at the top so the bats can push out to exit. After the bat exits, the excluder flaps shut and he can't figure out how to get back in.
Leave the exclusion screens in place seven to ten days to give the bats a chance to exit. This will ensure that you get rid of every bat.  (NOTE:  It worked in 2 days.)
Remove the screens and seal all the openings with caulk, cement, or steel wool or nail small boards over them.
Our walls are now silent.  It is almost eerie.  I am not sure I want to know how full our walls are of bat droppings but for now we are bat free.  Interestingly, the following day, a pigeon found its way into our roof.  Our home is obviously very inviting!

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