A band of dust on the floor around the edges of a room is not an adequate treatment. Roach baits may be used. Place in areas frequented by cockroaches. Do not use them where they can be reached by children or pets. Fumigation can give quick control of a cockroach infestation, but it is often dangerous and expensive.
Fumigation leaves no residual treatment.
When treating cupboards and pantries, take everything from shelves and remove drawers so that food and utensils will not become contaminated. Spray or dust the sides, back, and undersurfaces. Although roaches, especially the German roach, have developed resistance to certain insecticides in many urban areas, poor control of cockroach infestations is frequently due to improper use of insecticides and lack of good sanitation practices in infested environments. To find the hiding places, enter a dark room quietly, turn on the lights, and watch where the cockroaches run. In radio and television cabinets.