
National Grating Fiberglass Trench and Drain Grates are available in two standard resin systems. Each providing different levels of corrosion protection. Both resin systems meet Class 1 Flame Spread Rating per ASTM E-84 test standards.

It is also ideal for chemically hazardous projects like chemical plants. FRP grating is non-corrosive and will not become damaged by exposure to chemicals.
Our molded FRP gratings have applications in many industries, including:


Molded gratings include: