Wasps will normally be entering through a gap between the soffit and the wall of the building.
How to destroy wasp nest in roof.
Often the wasp nest will be down in the eaves at the edge of open loft area.
To get rid of wasp s nest wear protective clothing approach the nest at night when the wasps are less active and thoroughly douse the nest in an approved pesticide spray insecticidal dust smoke or water.
Non poisonous method to get rid of a wasps nest in a roof you can use a garbage bag inside a landing net and a long handled scraper to remove the nest from the roof where it is attached.
Perhaps the most effective way to get rid of a wasp nest is to use insecticide spray.
Place the bag over the nest knock the nest off with the scraper and seal the bag.
Afterwards you should take measures to also prevent wasps from returning in the future.
It comes in an aerosol can that.
Eaves nests can often be easily treated from within the roof.
When treating wasp nests in the eaves of a roof you can safely break into the nest with the duster lance and get wasp killer powder inside the nest but do not try that with a hanging nest unless you are fairly sure it won t fall to.
Step 1 gear up.
Fill the spray bottle with this mixture.
Apply the wasp killer as directed standing as far away as is practical and be generous.
Step 3 use your spray or powder.
Before you begin to even approach the nest ensure you wear protective clothing including a gloves and a veil.
Keep it in a safe place to use every time you see offending wasps.
If you don t.
Getting rid of wasps in roof vents requires diligence to make sure they don t return.
Make sure you use gloves long sleeved clothes and a protective mask.
How to get rid of a wasp nest.
An empty spray bottle.
Use a torch to locate the nest but turn the torch away from the nest as soon as you see it otherwise wasps will come toward the light.
If possible do not turn on a loft light.
Step 2 approach the nest.
Step 1 spray an insecticide into the vent to kill any wasps that are currently in the vent.
The spectracide wasp and hornet killer kills these stinging insects on contact.
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.