How To Get Rid Of & Remove Bats In the Attic

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Here we see some photos of bats living in attics. In the top shot, you see several bats wedged in between some of the wooden boards in an attic. Bats often feel most secure when they can squirm into tight gaps. In fact, bats like to fly in and out of gaps that are very small - usually about 1/2 inch - because they know that they are safe from predators that can't follow them through such small openings. In the lower left shot we see a small cluster of bats up in an attic space, and in the lower right, another small group of bats roosting near a gable vent in an attic.

How to Get Rid of Bats in the Attic
Step 1: Determine whether or not there are baby bats in the attic, along with the adults. Bats that live inside attics and buildings are called colonizing bats and are almost always large groups of female bats. They live in the attic, and they give birth to one bat per year, usually in late spring. During the summer months, this baby bat cannot fly. Thus, it is impossible to get out of the attic, because bats have to be capable of flight in order to be excluded. If it's currently the maternity season, when there are baby bats, no bat exclusion work can be done. If you attempt to get rid of bats in the attic during the summer months (depending on bat species and latitude, etc) you will end up with a bigger problem than you started with, because the young bats will crawl down the walls and get into the house.

Step 2: Do a dusk watch. Look at the house at dusk, and see exactly where all the bats fly out of, and how many there are - it could be many areas of the home, so watch carefully. Bats are often very quiet, so you'll have to pay close attention.

Step 3: The way to remove bats is to exclude them - let them fly out, but not fly back in. So this next step is to seal off all possible entry points except for the areas where bats get in and out most commonly. This step is done to prevent bats from getting back in the home when you exclude them. It's best to use caulk, and seal any gap larger than a quarter inch. Bats can fit in amazingly small areas, as small as 3/8 inches.

Step 4: Install exclusion devices on the primary bat exit points. These can include bat cones or bat netting, basically forms of one-way doors that allow the bats to fly out of the attic at night to go drink and eat bugs, but not fly back into the attic. Leave the exclusion device on the exit points for at least three days and monitor the situation to ensure that the bats are able to get out via the exclusion device, but not back in. Make sure no new bats are getting out of any other portions of the house.

Step 5: Once all the bats are excluded, remove the exclusion devices, and seal those last entry/exit points.

Step 6: Clean up the bat waste - very important, as bat guano can cause mold problems and lung diseases from the mold that grows on them.

I've done hundreds of bat removal projects in my life. Many are extremely complex, and there's many variables that only years of experience in the field taught me. What I'm basically saying is that it's my recommendation, if you want to do it right, that in order to get rid of bats in an attic, you should hire an expert. But be aware - the removal of bats is not the kind of thing that you'd hire bat pest control for. Bat extermination is not what you should be thinking. It is not legal or ethical to kill bats and not the right way to get the job done. Bats can be difficult to keep away and bat prevention is not an option until all the bats are safely removed, not via bat trapping, but via professional exclusion services, by the six steps that I outlined above.

You can also visit my special Orlando Bat Control & Removal website for more info on my bat removal servies in Orlando.

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