Bat skin secretes an oil that rubs off on the walls of your attic leaving a tell tale sign that you have unwanted guests.
Block bats from attic vents.
When there is no doubt the bats are gone you can remove the funnel and seal the entry with wire and or sealant.
The bat cone excluder is a great option.
One way exclusion devices specifically made for bats are available in stores.
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.
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.
As you can t be sure exactly how they re getting in you need to plug all the possible entrances.
Check for dark brown stains around your roofline dormers vents and roof trim.
Personally i like bats.
They are designed to fit on top of any hole which bats have been using as an entryway.
We are installing 4 mesh galvanized steel hardware cloth on the outside of the gable vent to prevent bats from entering the structure.
Excluders are boxes that allow the bats to exit the roost but block off the return route.
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.
However if you already have a bat a problem in your attic use a variety of methods to drive them out.
They eat pesky bugs.
The best defense against bats is to block entry into your attic.
If you block up the attic vent then bats can t get into your attic itself.
Use hardware cloth to to seal off the ridge louver and attic vents as well as the chimney inlets.
For any bat removal questions please give us a call at.
It can be attached using pushpins staples or duct tape and it s completely reusable.
The crew found bats living up inside the louvers of an attic vent.
The bats will get stuck and die.
The device can also become congested with bats causing a proverbial roadblock or clogged drain.