- Sheet metal is first placed through a rolling or expanding machine.
- Oscillating knife cuts the metal into an open mesh pattern.
- If flattened expanded metal is desired, then the expanded metal is cold-rolled through a flattener. With unflattened expanded metal, no secondary operation is performed and a louvered appearance remains.
Click here to learn more about expanded metal sizes and how to order expanded metal.
The video below shows you expanded metal being made: