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Cluster Fly Treatment Guide

What is the best cluster fly treatment?

The comprehensive strategy for the eradication of cluster flies falls into two parts, reactive and pre-emptive. To start you will want to identify congregation points and potential points of entry, following which you will need to remove the surface level population using reactive pest control. Using the collated data collected prior to fumigation you can apply your pre-emptive measures intelligently to congregation points, harbourages and potential entry points.

Below we have outlined the treatment process, simply follow the steps below:

Reactive
Firstly fumigate the room of loft with Pest Expert Formula ‘P’ Foggers or Pest Expert Formula ‘P’ Smoke Bombs. This will offer a rapid knockdown of all the cluster flies present at the time of treatment. Essentially ‘cleaning the slate’ through killing the surface level population.

Pre-emptive
Secondly you should apply a residual insecticide such as Pest Expert Formula ‘C’ Cluster Fly Killer Spray or Pest Expert Formula ‘P’ Cluster Fly Killer Powder to harbourages, resting sites such as roof timbers and walls, and any potential points of entry including window frames and ledges. On an inert surface these products will help maintain long term cluster fly control. Both products act as a contact insecticide, as any cluster flies which come into contact with either the spray or powder will then die, with both products having residual value lasting for up to 3 months after initial application.

Due to the size of cluster flies, on average between 10-15mm, they can enter a building through the smallest of gaps, making preventing access virtually impossible. These entry points can be through window frames, cracks and gaps in brick work, under eaves and through tiles. As such cluster fly control is a case of having to flush out cluster fly infestations as and when they appear, unfortunately re-infestation can occur several times over the course of the autumn months. However, though intelligent use of both reactive fumigation and importantly the pre-emptive residual insecticides you can ensure that populations levels remain suppressed and do not build to large or unmanageable levels.

It is often advised to re-treat in the spring, as and cluster flies who have remained dormant over the winter months will become active again as the temperatures shift with the advent of warmer weather. 

Cluster Fly Treatment Packs  

In terms of both value for money and effective and rapid results, our Cluster Fly Treatment Packs are the best solutions to cluster fly problems. Each pack contains a carefully selected bundle of our best cluster fly products and has been designed by our pest control experts who have extensive in the field experience of dealing with cluster fly infestations in both homes and businesses.

Our kits are designed around the principle of combined actives, multiple insecticides used within a restricted time frame to maximise population suppression and facilitate rapid and prolonged knockdown.

As well as fumigation from the Pest Expert Formula ‘P’ Foggers and Fumers our kits also contain highly effective residual insecticides in the form of Pest Expert Formula 'C' Cluster Fly Spray and Pest Expert Formula ‘P’ Cluster Fly Powder. A further added benefit of our treatment kits are the comprehensive instructions provided on how to carry out a simple and highly effective cluster fly treatment using each of the products. 


 

Featured Products
Cluster Fly Treatment Pack (with Foggers)

Cluster Fly Treatment Pack (with Foggers)

A carefully designed and selected bundle of the market's leading cluster fly products from Pest Expert. This kit includes Formula ‘P’ Cluster Fly Foggers, Formula ‘C’ Cluster Fly Spray and Formula ‘P’ Cluster Fly Powder giving you a potent combination of insecticides for fast knockdown and long-term protection, ensuring that your home or business remains free of cluster flies.
Price: £31.65 excl. VAT
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Cluster Fly Treatment Pack (with Smoke Bombs)

Cluster Fly Treatment Pack (with Smoke Bombs)

A carefully designed and selected bundle of the market's leading cluster fly products from Pest Expert. This kit includes Formula ‘P’ Cluster Fly Smoke Bombs, Formula ‘C’ 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.
Price: £24.15 excl. VAT
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Pest Expert Cluster Fly Spray 1L (Free Mask & Gloves)

Pest Expert Cluster Fly Spray 1L (Free Mask & Gloves)

Pest Expert Formula ‘C’ Cluster Fly Spray is a highly effective cluster fly killer, the spray forms a long lasting residual which will maintain its rapid knockdown effect for up to 3 months. Formula ‘C’ is non-staining, solvent free and low odour making it perfect for use in homes with children and/or pets. Perfect for application to alighting surfaces, window frames and wooden beams. This 1ltr trigger spray will treat an area of up to 20 sq m.
Price: £8.29 excl. VAT
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Pest Expert Cluster Fly Killer Spray 5L

Pest Expert Cluster Fly Killer Spray 5L

Pest Expert Formula ‘C’ Cluster Fly Spray is a highly effective cluster fly killer, containing a long lasting residual insecticide which will maintain its rapid knockdown effect for up to 3 months. Formula ‘C’ is non-staining, solvent free and low odour making it perfect for use in homes with children and/or pets. Perfect for application to alighting surfaces, window frames and roof timbers. A 5ltr container will treat and area up to 100 sq m.
Price: £29.15 excl. VAT
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Pest Expert Cluster Fly Smoke Bombs 3.5g Twin Pack

Pest Expert Cluster Fly Smoke Bombs 3.5g Twin Pack

Pest Expert Formula ‘P’ Cluster Fly Smoke Bombs are a powerful and highly effective fumigation device, containing the potent insecticide permethrin. These smoke bombs are a vital component for any cluster fly treatment and offer rapid knockdown to cluster fly populations in loft spaces or rooms.
Price: £5.79 excl. VAT
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Pest Expert Super Fumer Cluster Fly Smoke Bomb 11g

Pest Expert Super Fumer Cluster Fly Smoke Bomb 11g

Pest Expert Formula ‘P’ Super Fumer Cluster Fly Smoke Bombs offer rapid eradication of cluster fly colonies present at the time of treatment. The Super Fumers are a highly effective fumigation device, treating an area three times as large as a standard bomb. Each Super Fumer contains the potent insecticide permethrin, offering quick and effective results in the larger loft or roof space.
Price: £5.79 excl. VAT
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Pest Expert Cluster Fly Fogger 150ml

Pest Expert Cluster Fly Fogger 150ml

Pest Expert Formula ‘P+’ Cluster Fly Fogger is a powerful fly killing fumigation aerosol (ULV) canister, designed for rapid and effective knockdown to cluster fly populations in lofts, roof spaces or rooms. Once activated the powerful insecticidal gas will kill all cluster flies present at time of treatment while leaving no residue on any furnishings or stored goods.
Price: £6.25 excl. VAT
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Pest Expert XL Cluster Fly Fogger 530ml

Pest Expert XL Cluster Fly Fogger 530ml

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. Each canister will release an insecticidal gas which will rapidly eradicate all cluster flies present during the time of treatment. Designed for larger roof spaces, lofts or open plan living areas.
Price: £9.15 excl. VAT
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Rentokil Fly Killer Cassette

Rentokil Fly Killer Cassette

Rentokil Fly Killer Cassettes offer long lasting knockdown. The formulation of transfluthrin will help maintain control for up to 3 months. Discreet and easy-to-use, these Fly Killer Cassettes are a powerful addition to any cluster fly treatment.
Price: £4.16 excl. VAT
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EN149 Safety Mask

EN149 Safety Mask

This is a top quality safety mask that meets the EN149 European respiratory standards, offering unparalleled user airway protection when carrying out a cluster fly treatment.
Price: £1.65 excl. VAT
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Pest Expert Cluster Fly Powder 300g

Pest Expert Cluster Fly Powder 300g

Pest Expert Formula ‘P’ Cluster Fly Powder is a powerful permethrin contact dust with a long-lasting residual effect. As well as killing upon contact, when applied to potential entry points the powder will continue to provide ongoing protection against re-infestation. Ideal for use in areas unsuitable for a water based spray. The convenient puffer pack ensures and easy and quick application.
Price: £4.15 excl. VAT
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