Rick from Kaufman writes,
Will spraying Mosquito Barrier on the brick walls keep mosquitoes away?
Mosquitos gather at alcove of front door, out of breeze.
Mosquito Barrier will keep the mosquitoes away for a few days but keep in mind that spraying Mosquito Barrier on porous surfaces such as brick or concrete will only provide a residual for a few days so more frequent applications may be required.
Answer last updated on: 09/19/2014