If possible use a polminor powder bellows and coat as much of the outside of the nest as possible with dust failing that use rentokil wasp nest killer foam aerosol and cover as much of the nest as you can in wasp killer foam before promptly vacating the roof.
How to kill wasp in my attic.
Add 1 cup of white vinegar into 1 cup of water.
You should also check the bee hive that is located in your attic.
You can also use citrus oil extract which is a natural insecticide containing.
Observe their flight patterns and pay attention to where they disappear into the wall.
Pinpoint the location of the wasp nest and determine where the insects are getting into the nest from the outside.
An empty spray bottle.
Determine what type of wasp you have.
You can find professional grade pesticide bombs available for sale either online or at diy pest control shops.
Locate the part of the attic where the hornets and wasps are coming and going.
You can pour boiling water kerosene or diesel onto the nest at night when the wasps are resting.
One of the easiest and safest ways is to bomb it with an insecticide.
It is a good idea to spray the pesticide on the openings of your attic.
If you can t stand the smell of toxic chemical sprays or wasp repellents you can try various home remedies which are.
Step 2 seal off any entrances or exits into the area of the wall where the wasp nest is located.
There are a few different ways to treat a wasp infestation in the attic.
How to get rid of wasps in the attic step 1.
Fill a shop vac with soapy water then place the head attachment near the source of the insects.
Make sure that you know the entering and exiting part of their bee hives.
Leave the shop vac on for a few hours to catch as many of them as you can.
Fill the spray bottle with this mixture.
Solitary wasps tend to build nests that allow them to secure and separate.
The wasps and hornets will get sucked in to the vacuum and drown in the soapy water.
Keep it in a safe place to use every time you see offending wasps.