DURAGRID phenolic gratings and grids are structural, fire resistant, high strength FRP products that have been independently tested to U.S. Coast Guard standards for fire resistance. They are the ONLY phenolic gratings that are USCG approved for Level II fire conditions, and they offer low smoke and low toxicity properties, important in fire situations. Strongwell manufactures structural FRP grating, handrails, shapes, plate, stairs,ladders and building panel. Structural engineering assistance by our on-staff Professional Engineers is available along with custom fabrication to customer specifications.