If you suspect you have rats in the attic the first step is to inspect your entire home.
Best way to get a rat out of the attic.
Only after everything is sealed should you bother to trap and remove the rats.
One preventative method to keep rats out is to ensure your outdoor garbage bins are always closed your garden is maintained and trees are pruned and no debris collects around your home that might harbor the insects that rats eat.
They are definitely the best type of trap to use on the rat runways in the attic.
Use a sealant to block off all air flow and to discourage rats from trying to get inside they can smell air coming through a gap.
A trained terminix technician can inspect your home identify the intruders and determine the most effective way to get rats out of your attic.
Get rodent control.
They are relatively inexpensive easy to use and some are the most humane way to kill a rat.
How to get rid of rats in the attic.
And then terminix can customize a solution to keep them from coming back.