Fumigation is a method of pest control treatment that completely fills an area with gaseous pesticide it is used to control all types of pests in building mainly there are 3 methods of treatment

1.residual liquid spray

Mainly done inside around walls, toilets, Ptraps, sewerage line around the premises to create a barrier for crawling insects

2.cold (mist)fogging

Cold fogging is done by trijet machine which makes air poisonous and helps to kill flying insects with very low volume of products .trijet mechanically splits liquid insecticide into five drops lets between 5 and 15 microns in diameters it is the best treatment for indoor the fog thus formed remains present in and premises should closed for a while for good result

3.thermal fogging

Insecticide is mixed with an oil-related solvent (diesel)and sprayed by heat generated by fogger, thermal fogging is used primally for outdoor treatment to combat flying insects.

Efficacy of space treatment of outdoor is highly dependent on weather conditions it is advisable to carry out this treatment early in the morning or late evening