Odds are though that it s not the screech of the bat colony that.
How do i keep bats out of my attic.
Then remove any soiled or damaged insulation from the attic and or walls.
Afterward you will need to scrub the area with an enzyme based cleaner.
To properly remove the bat droppings and debris.
Once your attic or home has become undesirable to bats it s time to exclude them from your property.
How to get rid of bats in your attic.
Exclusion work will effectively require you to examine the attic and find all the spots the bats are using to get in and out.
Observe where the bats exit at dusk and keep them from coming back by loosely hanging clear plastic sheeting or bird netting over these areas.
Use a vacuum first to suck up all of the loose droppings decomposing bat bodies and any other materials.
How to remove bats from attic.
Prevent bats from roosting in attics or buildings by covering outside entry points.
Bats can crawl out and leave but cannot re enter.
In large numbers bats can raise up a racket when coming and going.
When all the bats are gone the openings can be permanently sealed.
You then install an exclusion funnel or exclusion netting over one or two of these holes and then seal the remaining holes.
Flight at dusk and dawn.
Bats will hibernate in the winter if the temperature stays at around 35 to 40 f.
One way exclusion devices specifically made for bats are available in stores.