1,prevent grass grown 2,high permeability 3,protect soil 4,anti-ageing 5,reduce maintenance ... , there are gaps. Itshave the bending strength, tensile strength, high sealing, heat-resisting frostresistance, and other materials to stick the ... high rate. Its widely used in substation, and not high voltage towers, park,railway, Bridges have special requirements building sites base. prevent grass mat ...