Fiberglass Grating is a lightweight and sound alternative to Steel or Aluminum Gratings. Corrosion-resistant and fire-retardant, the product line is ideal for outdoor use or in corrosive environments. McNICHOLS carries Molded and Pultruded construction types in a variety of sizes, resins, and colors. Most Fiberglass Grating has a slip-resistant, gritted surface to help prevent slips and falls. McNICHOLS also carries Fiberglass Grating Stair Treads. For information on Fiberglass Grating Stair Treads, please visit our Stair Tread Resources landing page.