PE Foil marking tapes for routs of steel pipelines and underground electrical power cables. They are made of high-quality polyethylene PE in colours corresponding to the colour of the network in accordance with the technical instructions K1: gas – yellow; water supply – blue; sanitary sewage system – brown, green; energy network – red, blue. PE Foil location tape 253 with stainless steel ply used for network location. The use of the correct colour for marking an underground network is very helpful for earthworks, the excavator driver can easily and quickly identify which network he is dealing with.