It is very easy for wasps to get into attics normally due to openings around vents and or poor construction practices that leave big gaps between the sections of wood near the areas where the shingles and gutters meet up.
Getting rid of wasps in attic.
Attic is a not so attended place and thus the wasps can live there happily and also make a nest.
Because they are a dangerous pest i would recommend calling the local orkin branch office and asking them to send over a highly trained orkin pest specialist.
If the nest is a hanging nest make sure you purchase a spray with a projectile shot so that you can completely cover the nest with it.
Another very common place to find wasps nesting is in attic spaces.
Getting rid of the nest is a bit difficult as compared to a single wasp but if you take the appropriate measures you will surely be successful.
If your wasps have built a nest on the floor of your attic bomb style wasp poisons work very well.
Locate the part of the attic where the hornets and wasps are coming and going.
Spray the nest according to the directions on your spray.
The wasps and hornets will get sucked in to the vacuum and drown in the soapy water.
The orkin pest specialist will inspect and develop a customized solution backed by science that best meets your needs.