Drawing – gratings RG model:

Note: in this model bearing rod width = connecting rod width.

Example of marking treads - RG model:

• RG-Tzn-3/5-30x30/30-800x1000mm
  RG: model of gratings
  Tzn: Surface protection (hot dipped galvanizing)
  3/5mm: Thickness of the bearing rod / thickness of framing rod.
  30x30/30mm: Mesh size / grating height.
  800x1000mm: Length (span suspension) x width.
  
  Additional explanation:
  Length (span):  The size of grating in direction of bearing rod. It is placed first in the description of grating size.
  Width: The size of grating in the direction of connecting rod.

Most standard size stair - Model RG (Full Flash):

• Most standard dimensions of this model is: 3/5-30x30/30 mm
• Mesh size: 30x30mm * other dimensions on demand.
• Gratings height: 30mm * upon request 20/25/35/40/50mm
• Bearing and connecting rod - thickness: 3 mm * at the request of 2 / 2, 5/4mm
• Framing rod - thickness: 5mm * upon request 2/3/4mm
• Length x width (mm): according to customer requirement - max.1000x2000mm * for precision manufacturing,
  the final layout, easier handling, we recommend max. 1000x1000mm.
• Weight of grating 3/5-30x30/30 mm * approximately
  hot dipped galvanizing : cca 57 kg/m2
  raw without surface treatment: cca 50 kg/m2