Macmat® R is a reinforced geomat made with a polymer made three-dimensional matrix extruded onto a double twisted steel woven mesh. The reinforcing hexagonal steel wire mesh is with mechanical characteristics higher than the ones suggested from EN 10223-3. The wire is with a Zn-AI5%-MM coating in accordance with EN 10244-2, Class A. The metallic coated wire may also be extruded with an additional polymer coating.