Roof light cover

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Roof light cover with ALTIGRID steel grids is another possible fall hazard solution in accordance with applicable legal provisions. Unfortunately, many companies offer solutions based on the EN ISO 1263 standard. However, there is no legal basis to do so. We will show you below why we are so categorical in this particular subject. By installing ALTIGRID steel grids, you can be sure that your roof meets all the requirements of applicable provisions in this subject.

When should we use railings to protect skylights and roof lights?

Most skylights, roof lights and vents located on the roofs are made of polycarbonate or other plastics materials. Unfortunately, these materials are not enough strong to prevent a fall in the event of accidental stepping on them. Against the above, it is necessary a roof light cover to prevent fall hazards. A snowy roofing or a moment of inattention can cause a very serious or even fatal accident for operators working on the roof.

The ALTIGRID roof light cover have been specially designed to protect roof lights and skylights located on the roofs of buildings and industrial halls. Grids are made of galvanized steel 4 mm thickness wire. 90x90mm meshes ensure a good light and smoke extraction in accordance with applicable regulations.

ALTIGRID roof light cover constitutes a modular solution as it allows connecting several grids to protect long skylights or roof lights. Unfortunately, the widest roof light or skylight we can secure with ALTIGRID roof light cover is 2 meters. In the case of wider skylights, we should install skylight railings.

Roof light cover assembly is very easy and quick. A set of galvanized steel fixings, EPDM seals and Vulca washers ensures perfect roof watertightness. In the case of skylight protection, self-drilling screws Ø 5.5 x 25mm are fixed on the flat part of the metallic kerb of the skylight.

It is not possible to certify S type safety nets as roof light cover

Please note that small safety nets certification as roof light cover or skylight protection is impossible based on the EN ISO 1263 standard. At point 5.1 of the EN ISO 1263-2 standard (safety netting) you will find: “In the case of installing S type safety nets, safety net area should be at least 35 m2. In the case of rectangular safety nets, the length of the shortest side should be at least 5.0 m”. On the other hand, EN ISO 1263 standard only deals with “safety nets” used as temporary fall protection mainly during construction works at height. It is not a valid standard for permanent fall arrest systems.

Against the above, we can assure that it is not possible to certify safety nets as a solution for skylights or roof lights fall hazards under the EN ISO 1263 standard. Please consider that during a fall from a height, this minimum size safety net area required in the above standard must absorb the dynamic energy generated in the fall.

In the event of an accident, the use of small nets that do not comply with the EN ISO 1263 standard may result in an unfavourable legal assessment.

Roof light cover – legal scope and certification

ALTIGRID grids have been designed and tested in accordance with the recommendations of the Rhône Alpes Caisse Regionale d’Assurance Maladie (CRAM) MR72 together with the GIF test protocol (March 1997). According to the NF P08-301 requirements, a dynamic test consisting on a fall of 50 kg spheroconical bag from a height of 2.45 meters passed. This is equivalent to 1200 J (kinetic energy). As for the static test, the device should withstand 300 DaN for one minute.

The 1200 Jules strength test is widely known in all European countries as a resistance proof for fall arrest solutions for skylights. This is the correct way to certify grids as roof light cover. Grids should withstand the required loads during test without tearing.

Final conclusions

Roof light cover with ALTIGRID steel grids is another possible fall hazard solution in accordance with applicable legal provisions. Solutions based on the EN ISO 1263 standard are “outlaw” as the standard applies only to “safety nets” used as temporary fall protection mainly during construction. It is not a valid standard for permanent fall arrest systems. In addition, small safety nets certification as roof light cover is impossible upon the above standard.

If you want to read more about securing your roof with collective protection equipment (CPE), we recommend you reading our guide. You can save a lot of money throughout the entire operating time of the building.

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