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:

ADA compliant Ecograte 62 is specifically designed to meet requirements of the National Marine Fisheries Service and U.S. Army Corps of Engineers for marine decking and docks. With a 3/4” x 4” mesh and 62% open area, this grating protects seagrass and other shallow marine habitats beneath docks.  Ecograte®62 comes with a standard coarse grit walking surface or the optional Aqua Grit (fine grit) surface which provides increased comfort under bare feet. 

In just 6 weeks, Jrain’s excellent production team finished two sets of DN36m launder systems, including launders, effluents, weirs, baffles, baffle supports and supporting accessories. This project proved our capability one more time.