Construction of heavy-duty gratings:
- height of the supporting flat bar from 50 to 200 mm
- thickness of the supporting flat bar from 5 to 15 mm
- mesh 34×38 mm, 34×76 mm, 33×33 mm, 38×38 mm , 70×130 mm and others
- distribution bar from Ø 6 to Ø 10 or flat bar from 25×4 mm to 30×8 mm