Grain Silo Sealing


Grain silo sealing is the process of modifying new, or existing silos, so that no air or gas can escape from, or get into, the silo once it has been loaded with grain and closed.

A silo which has been modified in this way is often referred to as being a 'controlled atmosphere' or 'gas-tight' storage where the atmosphere inside is now fully contained - preventing gas from escaping or anything else from entering.

This process is used to control, or eliminate, insects from the grain while it is in storage and to reduce the amount of chemicals used for this purpose.

The main benefits of grain silo sealing are:

  • Less grain is lost from being eaten by insects
  • The cost of grain storage is greatly reduced
  • Much less chemical is used, hence, there is less chemical residue in the grain, resulting in healthier produce

The silo sealing system was designed in Australia in 1983 and has grown rapidly to other parts of the world. Countries which have developed sealing programs benefit from the increased amount of grain available for domestic consumption, as well as having a big marketing advantage for export.


What does the sealing process involve?

What materials are used during sealing?

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