Zero In Wasp Nest Destroyer Foam gets rid of wasp nests indoors in the home or outdoors in the garden. This insecticidal foaming spray contains permethrin and tetramethrin and will kill wasps on contact in the nest. Zero In Wasp Nest Destroyer Foam can be easily applied from 2m, allowing a safe distance between the nest and the applicator. One can of this fast acting formula contains sufficient foam for around for 2-3 treatments. For best results, treat wasps nests early in the morning or late in the evening when the wasps are less active. Suitable clothing should be worn whilst treating the nest. Do not stand directly underneath nest. Repeat applications may be required.