With any preventive measure you take, your main concern and aim should be cluster fly population suppression. Impossible to spray all beams and windows with preventative so happy to use smoke bombs on a regular basis. In our smoke bombs, this insecticide is pyrethrum, a natural ingredient which isn’t toxic to humans or animals. One did a very good job, but there are still a few left, so I'm going to use another one in a few days to polish off the stragglers.

The Pest Expert Formula ‘P+’ XL Cluster Fly Fogger is a powerful super-sized fly killing fumigation aerosol (ULV) canister containing over three times the amount of potent insecticide as the standard Fogger.Once lit, they release a smoke which is ideal for getting rid of cluster flies in lofts, roof spaces or other areas of the home. x Pest Expert Formula ‘P’ Cluster Fly Powder: For application to areas where electrical equipment may be present and a water based spray cannot be administered. They usually slip into attics as these loft spaces are normally quieter and warmer, although they can sometimes crawl through voids in the wall into any other part of the home as well. This means they are able to get through small cracks in our window frames and panes, which is why fly power and other insecticides must be laid down on such surfaces.

Although it can leave an odour and some fumes that will prove unappealing to flies, there is no guarantee that they won't continue to nest in your loft space.Both these cluster fly fumigation products are equally effective and come in varying sizes to ensure that you have adequate coverage and exceptional results no matter the size of the treatment area.

If you're unable to spot any of these, then you will likely notice their slower speeds, as they can appear much more sluggish than houseflies, moving slower even during flight. We moved to a house in the suburbs and just before winter sets in we have a loads of flies taking shelter inside velux windows and the attic - everytime you open a window you have hundreds of flies flying into your face! If you own a business or food company, and you believe there to be cluster flies around or in your property, then you should report this immediately. This powerful insecticide will work its way around your room or loft space killing all cluster flies present at time of treatment, giving you a clean slate to work from using residual insecticides.This kit includes Formula ‘P’ Cluster Fly Smoke Bombs, Formula ‘C+’ Advanced Cluster Fly Spray and Formula ‘P’ Cluster Fly Powder giving you a potent combination of insecticides for both fast knockdown and long-term protection ensuring that your home or business remains free of cluster flies. Cluster fly infestations usually occur in lofts and roof spaces, although they can also be found in sash or casement windows and in unoccupied rooms.

Pest Expert Formula ‘P’ Cluster Fly Powder is a powerful permethrin contact dust with a long-lasting residual effect. Fumigation with smoke bombs or foggers is the fastest method of dealing with a cluster fly infestation.PestFix Pest Control Supplies is a distributor of both professional and amateur use pest control products - including PPE. You can program the dispenser to spray insecticide at regular intervals and leave it to work its magic for a few hours or even days. Cluster flies will leave a large amount of faeces and excrement around your home and walls, and you will begin to notice a foul odour. As well as killing upon contact, when applied to potential entry points the powder will continue to provide ongoing protection against re-infestation. Leave area being treated for at least 2-3 hours, longer if possible After treatment is complete, open all windows and doors and ventilate thoroughly.