HEGLERFLEX electrical installation pipes meet all requirements for easy and advanced installation thanks to their special corrugated shape and consistent quality. Pipes of different stiffness, different raw materials and different properties are offered to meet the different requirements of the construction or load placed on the pipes. Material: special plastic (halogen-free, flame-retardant, low smoke gas, UV-resistant), use: installations for safety-relevant applications in vibrated, poured, rammed concrete and screed.