Our engineer's guide helps you choose the right outdoor cable tray based on environment, load, and corrosion resistance. Select HDG, Aluminum, or FRP with confidence. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass (FRP/GRP) composites to suit any project type both offshore and onshore. We also. Welded aluminum I-beam ladder cable trays are a core solution and an iconic design in the cable tray industry. Salt Mist/Spray: Highly corrosive to steel and aluminum. Chemical Fumes: From nearby plants, wastewater treatment, or industrial processes (e. Constructed from high-quality welded steel wire, Cablofil® Wire Mesh Cable Tray is the result of decades of research and over 94,000 miles of installed tray across the globe.