The Difference Between Ferrous and Non-Ferrous Metal
What’s The Difference Between Ferrous and Non-Ferrous Metal? The simple answer is that ferrous metals contain iron and non-ferrous metals do not.
Difference Between Expanded Metal, Perforated Metal and Wire Mesh
If you are looking for a product that will allow ventilation, drainage, or perhaps add a decorative touch, your three main choices are Expanded Sheet Metal, Perforated Sheet Metal, or Welded/Woven Wire Mesh.