As we all know, there are fiberglass pultruded gratings and fiberglass molded gratings, but how to divide gratings by the shape? Generally speaking, fiberglass grating can be divided to four categories, the most important is divide according to product usage as well as the characteristics of their classification.
According to common usage rules  it can be roughly divided to following few categories:

Many fiberglass grating benefits make this such an excellent construction material. It is versatile and often used for many different purposes in construction.