Cockroaches prefer damp, dark places. They are often found inside walls, behind household appliances and in cupboards.
Cockroaches thrive in warm and damp conditions and will dehydrate if the environment is too dry. However, they can survive in extreme conditions for short periods of time. Cockroaches can survive months without food and up to 4 weeks without water. This makes them very difficult to get rid of.
You can reduce your chances of a cockroach infestation by:
If you already have cockroaches, you might need to set baited traps like the Trap-a-Roach traps or apply Vendetta gel bait to the area. Insecticides work best if you know where they are and applied to areas where cockroaches hide during the day or where they pass through at night time.