"GSF" The build on site Solution


  • Concrete poured on site solution.


  • Continuously supported rail.
  • Recycled rubber interface between rail and surrounding.
  • Noise and vibrations reductions.
  • Electrical insulation.
  • Low maintenance system.
  • Lowest life cycle cost and total cost of ownership in its class.


  • New track, extension of existing track, track renewal.
  • When construction height is limited. On bridges, in tunnels, etc….
  • Complete track solution, integration of turnouts, dewatering devices, crossings and other special track work accessories.
  • Monolithic covering, printed concrete, asphalt, washed-out concrete).
  • Can be combined with floating slap system to maximize noise and vibration reduction.

Installation ratio

  • 144 linear meters of single track per day based on one crew

  • Setting up a production system


  • 292 km of single track between 1997 and now including Brussels, Paris, Madrid, Athens, Lisbon, Bergen, Casablanca, Rabat, Tunis, Saint Petersbourg, Hong Kong, …