The best defense against bats is to block entry into your attic.
Block bats from attic vents.
However if you already have a bat a problem in your attic use a variety of methods to drive them out.
Personally i like bats.
You should start with using an exclusion device covered in this guide and a combo of bright floodlights essential oils sound generators and possibly some hanging ornaments foil or mirrors.
It s 6 inches long and has four flexible tabs at one end to attach the excluder over the bats entry exit point.
Russ cuts a piece of hardware cloth roughly the size of the circular vent allowing for a hole at the bottom to accommodate an excluder.
One way exclusion devices specifically made for bats are available in stores.
They are designed to fit on top of any hole which bats have been using as an entryway.
The bat cone excluder is a great option.
It can be attached using pushpins staples or duct tape and it s completely reusable.
Once your attic or home has become undesirable to bats it s time to exclude them from your property.
The crew found bats living up inside the louvers of an attic vent.
For any bat removal questions please give us a call at.
We are installing 4 mesh galvanized steel hardware cloth on the outside of the gable vent to prevent bats from entering the structure.
The bats will get stuck and die.
Excluders are boxes that allow the bats to exit the roost but block off the return route.
When there is no doubt the bats are gone you can remove the funnel and seal the entry with wire and or sealant.
Bat skin secretes an oil that rubs off on the walls of your attic leaving a tell tale sign that you have unwanted guests.
Check for dark brown stains around your roofline dormers vents and roof trim.
The exterior screening is mainly to discourage another bat from roosting up under the gable on the outside.
As mentioned all the gable vents have screening on the inside so it s unlikely anything would try to get into the attic anyway.
The rule of thumb is to seal up all passages that exceed an inch which means that once out the bat can t come back in.
If you block up the attic vent then bats can t get into your attic itself.
As you can t be sure exactly how they re getting in you need to plug all the possible entrances.
Use hardware cloth to to seal off the ridge louver and attic vents as well as the chimney inlets.
