Rockfall netting is a steel woven wire mesh netting which is used to prevent rocks and debris from falling onto roads, railways and other structure. The mesh is made of heavily Zinc coated or PVC, Heabily Zinc coated double twisted steel woven wire. All wires used in rockfall meshes an lacing wire have the tensile strength of 350-500N/M2, according to EN10223-3, BS1052/80 and ASTM A641-97. (The figures above are of the wire prior to manufacturing mesh).