Texas bats are very stubborn creatures. When they have made a roost, that is, a home, they would not leave that roost very easily. They also have extremely good honing skills so that they can find their way back to the roost, even if they fly more than 500 miles away. Since bats live in large colonies, there is no guarantee that they would all leave a roost at the same time, in search of food. They do indulge in a very large number of insects when they are feeding, ingesting thousands of insects in one night. Excluding bats from your building would depend on whether there are existing bats or as a preventative method from having them use your building as a roost.



For Waco bats that are already roosting in the building, the best material to exclude them would be poly netting which can be used as mesh screens. This material can be installed in such a way that when bats leave the roost, they would not be able to reenter. Any of the bats that are still in the building, would eventually leave as bats need to feed daily, unless they are hibernating, usually during the winter season. You would need to install this material on entry/exit points, securing the top and sides of the material to the building and leaving the bottom unattached. Be sure to use a large piece of material so that the bat would not be able to fly into it and push its way back inside the building and use a frame to secure it so that the bat does not get tangled in the mesh. There may be more than one entry/exit points, so you can either seal some or install mesh on all. Once you are sure that all the bats have left, only then would you want to remove all the mesh and seal the area properly.

As a preventative method to ensure that bats cannot enter the building, the best material to exclude them would be to use caulk. Caulk is very good for sealing small holes and cracks. Bats can fly through holes as small as a dime, so it is very important that you thoroughly investigate the entire area for weaknesses and faults. Larger faults may require you to use a metal material in addition to the caulk, so that if the bat penetrates the area, it would still be excluded as it would not be able to bite through the metal to create a gap. Attics are a very popular roosting area for bats so regular investigation for holes, loose board and roofing, would increase the chances of excluding bats permanently. It is best to check inside the attic during the day so that you can see the spaces where the sunlight enters. All these areas are potential risk points and would need to be sealed immediately.

On the bright side, excluding you home from Waco bats also act as a preventative measure from other pests and rodents such as rats, racoons, pigeons and others disease carrying species.

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