Which type of pesticide application would you use to control cockroaches inside a building?

The most effective method for controlling cockroaches inside a building is by using a crack and crevice application. This technique involves applying pesticides directly into the spaces and gaps where cockroaches are likely to hide or travel, such as behind baseboards, in corners, and around plumbing fixtures.

Cockroaches spend a significant amount of their time in these concealed areas, making the crack and crevice method particularly advantageous. By targeting these specific locations, the pesticide can be more effective in reaching the pests directly. This method also minimizes the exposure of chemical residues to humans and pets, which is an important consideration for indoor applications.

In contrast, a broadcast application covers a wide area and may not be as targeted or effective for managing pests that prefer hiding in small spaces. Surface treatments generally involve treating larger areas where pests may roam, but similar to broadcast applications, they do not focus on the specific locations that are most likely to harbor cockroaches. Soil injection is typically used for controlling pests in soil environments, which is not applicable when dealing with indoor insects like cockroaches. Therefore, the crack and crevice application is the most suited technique for effective cockroach control within buildings.