Feb 15, 2018 - 12:46 PM
If the wasps are merely crawling through a crack in the brick and have established a large nest inside the cavity of the wall, then it might be a bigger job than what I just described. If the nest is very large (several feet in diameter for instance) it may have to be removed. How this is done varies, and may require the services of a professional beekeeper who has the training and the equipment to handle it.
Hope this helps.