Our quality standards

Decades of experience in the manufacture of Gratings alone are not enough. Only consistently adhered to and verifiable standards and regulations, as well as innovative further and new developments in production processes and materials can meet our quality requirements and those of our customers.

Sustainability and positive experiences in terms of quality are one of the main reasons why our customers choose our products. To ensure this quality, we comply with the standards and regulations that apply to our products.

DIN EN ISO 9001:2015

Our processes are certified in accordance with DIN EN ISO 9001:2015. This is how we ensure that quality at Lichtgitter is not left to chance – but is the result of living standards.

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DIN EN 1090

Our plants in Stadtlohn, Sulz and Heek are recognized welding specialists in accordance with DIN EN 1090. We also meet the requirements of the special hot-dip galvanizing corrosion protection process in accordance with DIN EN 1090.

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RAL GZ 638

Lichtgitter manufactures in accordance with the quality guidelines of the RAL-Gütegemeinschaft Gratings e.V. and bears the RAL-GZ 638 quality mark.
This mark stands for tested material quality, dimensional accuracy and high manufacturing standards. Through regular internal and external inspections, we ensure that our Gratings permanently meet the demanding requirements of this quality assurance.

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Industrial Association Gratings e.V.

We not only ensure our high quality standards through certified processes and continuous testing – we also help to shape the standards ourselves.
As an active member of the Industrieverband Gratings e.V., we contribute our experience and technical expertise to the further development of standards and guidelines.

2025-11-28 14_23_36-psuedfels-_IGI_Guide_D_2020_low.pdf (PROTECTED) - Adobe Acrobat (64-bit)

general type approval

Lichtgitter is the first company in the world to receive general type approval (abZ) for GRP gratings.

As a result, the previously required approval in individual cases is no longer necessary.

Lichtgitter thus guarantees you consistent and monitored quality.

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EBA approval

Our Lichtgitter GRP gratings have EBA (German Federal Railway Authority) approval and are certified in accordance with DBS 918 010. This means that we are authorized to deliver to Deutsche Bahn.

Including external monitoring certificate and Ü mark! This is because EBA approval is only fully valid with certified external monitoring in accordance with the specifications of the German Federal Railway Authority (EBA) and the associated conformity mark.

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Further standards and regulations

DIN EN ISO 14122
Part 1-4
Permanent means of access to machinery and industrial plants (Ed.: NAM in DIN)


DIN EN ISO 1461
Hot-dip galvanizing of individual parts (batch galvanizing)(Ed.: Standards Committee for Materials Testing [NMP] in DIN)


BGI 588 Part 1 and Part 2
Code of practice for metal gratings (Ed.: Federation of Institutions for Statutory Accident Insurance and Prevention in the Trade and Industry, BGZ Technical Committee “Building Facilities”)


BGR 181
Code of practice for floors in work areas with a risk of slipping (ed. as for BGI 588)


DIN 24531
Grating as step covering (Ed.: NAM in DIN)


DIN 24537
Grating as floorings (Ed.: NAM in DIN)


Lichtgitter is a member of the trademark association Edelstahl Rostfrei e.V.