When the water has pressure and is soapy it will blast the nest.
How to get rid of wasp nest in roof space.
Dont leave a wasp nest in your roof.
At the end of the year the queen will produce young queens for the next year.
Spray the nest according to the directions on your spray.
Make sure you use gloves long sleeved clothes and a protective mask.
If your wasps have built a nest on the floor of your attic bomb style wasp poisons work very well.
It usually easier and better to treat the nest from inside the roof space.
Liquid wasp killer is inadequate to kill a wasp nest in a wall as it won t be able to penetrate deep enough to kill all the wasps.
Plugging the hole will force the remaining members of the colony to seek an alternative exit point.
Another way of destroying the nest is to squirt dishwashing liquid into the end of your hose pipe and run the water until suds appear.
This is a bit tricky as if possible keep the loft light off using a torch to locate the nest.
Also flooding the nest will not get rid of wasps and will only make them more aggressive towards you leading to nasty stings.
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.
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 the loft floor.
Place the bag over the nest knock the nest off with the scraper and seal the bag.
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.
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.
They could hibernate in your loft causing you more problems the following year.
The best way of getting rid of wasps naturally and cheaply is to discourage them from establishing nests in your compound.
Using water is another common method reguarly used to try and destroy a wasp nest.