Square mesh

This is designated SL62, SL72, SL82, SL92 or SL102. The first digit refers to the diameter of the bars. The last digit refers to the spacing of the bars.

For example, SL72 has diameter 7 mm bars, which are on a grid of 200 mm apart.

Diagram of square mesh. The main mesh wires are 200 mm apart. Photo of a square mesh trench.