Spray this solution on wasps and nests. Quickly and carefully place the cloth bag over the nest and tightly secure the top with a piece of string.
We need help in getting rid of wasps who are taking up residence behind our retaining wall.
How to get rid of wasps in a stone wall. It is a good idea to do this at night to reduce the amount of wasp activity. We tried wasp spray but it doesn t seem to slow them down. The action of opening the wall void would have caused enough vibration and disturbance to rile up any wasps in the nest.
Once it is determined that all the wasps are dead completely remove the nest from the wall which may require some minor wall repair. The problem with how the issue was taken care of by the homeowner is two fold. Blow insecticide powder in through the hole and then cover the hole and repeat as necessary.
Use caulk or a similar sealant. As you do so pull the nest from the tree branch. Grab a large cloth bag with no holes or tears.
The wall is over 20 long and they are entering many different locations. When the water has pressure and is soapy it will blast the nest. 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.
Seal off any entrances or exits into the area of the wall where the wasp nest is located. The best way of getting rid of wasps naturally and cheaply is to discourage them from establishing nests in your compound. Plugging the hole will force the remaining members of the colony to seek an alternative exit point.
Using traditional wasp control methods 1 apply a mixture of 1 tablespoon 15 ml peppermint oil with 16 ounces 473 ml of water. 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. Pour the water into a spray bottle and mix your peppermint oil in.
Wearing your protective clothing set a bucket of water beneath the wasps nest. We suppose they like the heat of the afternoon sun. If you feel certain that it s an old nest while you have access to the void you should remove the nest from the space.
In this video i will be showing you my tried and tested method for getting rid of wasp nests in walls and roof spaces if you love my content and would like t. There is a much longer tiered wall on the opposite side of the driveway that they don t seem to bother.