Some of the wasps will drop into the water and drown but some can survive and for this reason you should kill them as you empty the bottle.
How to get rid of wasp nest in roof vent.
Just mix two tablespoons of dish soap like the dawn dishwashing liquid soap with three to four cups of water and place the mixture into a spray bottle.
Apply the wasp killer as directed standing as far away as is practical and be generous.
Getting rid of wasps in roof vents requires diligence to make sure they don t return.
Wear a breathing mask and follow all instructions on the package to prevent inhalation.
A pressure washer may damage your roof.
The jam and the vinegar will attract the wasps and when they get in they won t be able to get out.
Step 1 spray an insecticide into the vent to kill any wasps that are currently in the vent.
Be sure to use the high velocity setting on the hose s nozzle.
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.
Leave any nest entrance open to allow foraging members of the colony to come back in and come in contact.
Keep spraying the nest until the water completely soaks and destroys it.
This is another very effective natural remedy.
Place the bag over the nest knock the nest off with the scraper and seal the bag.
Most residential dwellings with pvc intake exhaust vents utilize either 2 or 3 pvc termination hubs.
Use water or wasp killer if the nest is in the eaves and visible from the outside after you remove the soffit you may be able to spray the nest with water.
Cover your wasp nest with the spray during.
An empty spray bottle.