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14Jul2011

How to prevent flying insect and dust ingress through larger door openings

  • By Paul Churcher
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Flying Insects can be a major problem for food related businesses. Existing legislation can mean a food processing company being penalised if they do not take steps to protect against flying insect ingress. Electric Fly Killers are a common way to deal with this issue but obviously the flying insects are then already in the building. Some of the various methods to prevent flying insects from actually getting into the building include Insect Screens for windows and personnel doors and PVC Strip Curtains.

PVC Strip Curtain

Especially on larger openings suitable for Fork Lift Trucks or Vehicles there can be problems with PVC Strip Curtains due to poor visibility. Over time they can become scuffed and dirty which prevents clear vision through the curtain causing a health and safety issue especially where Fork Lift Trucks are concerned. High Speed Doors can be used and are a good option although for door openings with high traffic volumes can spend a lot of time in the open position. A solution for this problem is to use an Enershield Air Barrier supplied and installed by C-Mech Services Ltd.

So what is an Air Barrier?
The Enershield Air Barrier creates a “virtual door” by re-circulating ambient air and forcing it across an opening to create up to a 90% seal. The seal separates the atmospheres on either side and stops the transfer of temperature, humidity, dust, odours and insects. With just a draught of air creating the barrier, vehicles and pedestrians can pass without obstruction.

Preventing dust and flying insect ingress

This method is not designed to replace a door but to automatically start working when the door is opened. Working in conjunction with a standard Roller Shutter, Sectional Door or a High Speed Door an Air Barrier provides continues protection against dust and flying insects entering the building even whilst personnel, fork lift trucks or vehicles are passing through the opening.

A major benefit of Air Barriers is to reduce energy costs by minimising temperature loss across a door opening. They can also minimise the transfer of humid ambient air into large freezers to reduce ice and frost build up.

If you require further information or would like to discuss the benefits of Enershield Air Barriers in more detail please just get in touch.

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