Platform Gratings are manufacturer using glass-reinforced plastics (GRP) also known as laminate or composite. They can also be found as named using foreign names e.g. English: Fibreglass, GRP - Glass Reinforced Plastic or German: GFK - Glasfaserverstrke Kunststoff.

The grates are made using high - grade synthetic resins and glass fibres. In the first phase of the manufacturing, continuous bands of glass fibre (rowing) are stretched on forming devices, then oversaturated with synthetic resins and subjected to curing.

The grate is identically reinforced in parallel and perpendicular directions, thanks to which the grate is characterised by identical resistance in every direction and edges of the grate may play the role of load-bearing elements