Fiberglass grating is a kind of plate-shaped material with many spaces, which is made of glass fiber as a reinforcing material, unsaturated polyester resin as the matrix, and a special processing compound. It can be used as a structural material and used as a corrosive material. Environmental floors, trench covers, platforms, ship decks, stairs, plank roads, etc. It has the characteristics of corrosion-resistant, flame-retardant, non-magnetic insulation, bright colors, and a variety of styles.
Gratings & Covers
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.