Collection: With parallel ribs

Longitudinal ribs made of special high-density Eltex URA/72 polyethylene, enriched with special additives for resistance to light and weather, and for resistance to acids. Transverse support reinforcement made of 18 mm diameter steel tubes (1.5 mm thick). Non-slip surface: The walking surface is specially shaped to achieve excellent non-slip properties. Parallel-ribbed gratings for swimming pool overflow channels are used in cases of special dimensions.