What is expanded metal?

And what are its unique characteristics and advantages?

Expanded metal is made by making cuts in a metal plate and then stretching it, creating diamond-shaped holes which make the metal plate look like a ‘grid’. The original plate is then stretched making it bigger.

The advantages of expanded metal


  • Because there are no welds, expanded metal is stronger than a traditionally made ‘grid’.
  • Because the material is stretched, it means that the weight per m² is less than the material originally used.
  • It is possible to allow more air through expanded metal than other comparable materials.
  • Environment friendly: because nothing is punched or cut out, material isn't wasted.
  • Expanded metal is easy to shape/bend
  • Expanded metal has a different degree of transparency when seen from different angles making aesthetic variation possible.

Inspiration video expanded metal

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