Gas fuelled flame gun is developed for destroying bacterial, viral, fungal & insect contaminations in and around the shed. Flame gun consists of five feet long pipe with four special nozzle burners at one end & other accessories. Each burner generates one feet long blue flame having a 3 inch diameter. Flame can be controlled by a knob fitted in the pipe. This hand.held gun is easy to operate & cleans the shed quickly. Effective method of assured cleaning is always done by burning the area.