Grilles and covers support frames
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How to protect cavities with expanded metal mesh
Volumes below street level with an outlet to the outside need air passage to provide the necessary ventilation and light passage. These outlets can be protected with expanded metal grilles. They can be, for example, mouths of vents, coverings of culverts, infernotes.
The gratings are complemented by side frames and flat bar reinforcements that guarantee the pedestrian load-bearing capacity required by regulations. The Fils 21 metal mesh with which they are made also guarantees anti-slip behaviour.
Grilles for safe walkways. Expanded metal mesh does not slide.
Fils 21 expanded metal gratings are also ideal for inspection walkways and civil and industrial walkways. They guarantee a high anti-slip coefficient, as required by the German DIN 51130 standard.
With regard to carrying loads, the grilles have the following characteristics (ref. NTC 2018):
- load capacity distributed 408 kg/m2
- load capacity concentrated 408 kg