Holes, cracks, junction floor, building corners and wall, which are the very suitable for the insect harborage (hiding and breeding), is a difficult access for sanitation and cleaning activity either the most effective insecticide treatment such as space treatment (fogging) and fumigation due the limitation of the access for applying its method. The cracks will cause the failure of the most important factor for fumigation gas tightness hence the effectiveness of the treatment.
With this kind of worst condition, the
only approach method to control the pest is surface treatment (spraying
an insecticide solution) whereas the application is utilizing an
equipment that producing the very small droplet of the insecticide
solution that penetrates by hand applying into the cracks and other
crevices that used by the insect for harborage and reproduction.