GEROfit® REXDiffusion-resistant protective jacket pipe

Our innovative GEROfit® REX protective jacket pipe convinces with unique multistage extrusion technology for PE pressure pipes with a functional layer structure. Thanks to an additional metallic layer, we achieve a diffusion resistance that opens up new areas of application compared with conventional plastic pipes.

An extensive range of accessories (smooth-ended/­socked parts, weld fittings, flanges, tools, machines) rounds off our delivery range.

Application areas

  • Pipeline routes through industrial areas
  • Service stations
  • Landfills
  • Traffic areas
  • Agricultural land (danger due to overfertilisation)
  • Cemeteries
  • Flood and high-tide areas
  • Groundwater exchange zones
  • Parallel-running media ducts with narrow duct spacing


  • No corrosion and incrustation
  • Tested quality
  • Notch- and score-resistant protective jacket
  • Designed for all modern laying technologies
  • Large delivery lengths
  • Diffusion barrier pipe
  • Integration in the network with an extensive range of moulded parts
  • Weldable
  • Flexible material, flexible duct routing

Want to find out more?
We look forward to hearing from you.
HakaGerodur AG
CH-8717 Benken
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