Glossary

Bearing bars
Parallely placed flat bars between supports which bear the load.

Cross bars
Rods holding together bearing bars, inextricably joined with them.

Framing

Usually made of the same size as bearing bars.

Mesh size
Inward clearance between bearing bars and cross bars.

Length
Clear widht between supports, dimension of bearing bars. The length is marked with the following symbol.

Width
Measure perpendicular at bearing bars.

Material
Steel, stainless steel or aluminium.

Surface treatment
Most common treatment is hot - dip galvanising according to ISO 1461 and paint treatment.

Marking of gratings