Off-center form enables users to select optimum position according to specific conditions encountered.

Made of cast-iron and an eccentric form, this double innovation of geometry and material allows a precise positionnement of the grate according to the norms required for a better catchment of storm water and this by a simple rotation on the conventional base made of concrete.

Note : As certain parts will be manufactured in iron whereas normally they're in concrete, this way we may reduce the volume, the weight and consequently loower the costs of handling and storage.