... Fiberglass channel *high strength as same as steel *light weight, easy to move *anti-UV, anti-corrosion ... roving, continuous fiberglass mat and a thermosetresin that binds the composite together2) Excellent durability, strength and safety, lightweight, corrosion ... to commercial cleaning products.Excellent durability, Strength and safety, Light weight, Corrosion resistant.Available in a variety of colors ...