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Serrated gratings are used on sloping surfaces and where there are particular risks of slippage factors such as ice, oil or grease.
Serrated can be applied only to the supporting flat bar, the transverse flat bar or both in grids where:
Serrated supporting flat bar: S1
Serrated connecting flat bar: S3
Serrated both flat bars: S2
Gratings are made from steel grades:
Other material types on request
The gratings are manufactured according to standards: DIN24537 and RAL GZ 638
Hot dip galvanisation is in accordance with EN ISO 1461
Grates are manufactured with a negative tolerance (+0 to -4 mm)
As standard, the gratings are framed with a flat bar equal to the height of the supporting flat bar. However, it is possible to change to another type.
We designate the length of the supporting flat bar as L and the transverse flat bar as B. Maximum dimensions: L = 2500 mm, B = 2000 mm.
On the technical drawing, the load-bearing flat bar is marked with the following symbol.
