Benefits of FFU synthetic wood

Economic efficiency

  • Product life forecasted with more than 50 years
  • Minimum lifecycle costs
  • Minimum maintenance costs
  • Maximum track system availability
  • Short possessions for installing FFU railway sleepers
  • Reduction in maintenance costs and effort in the rail infrastructure
  • LCC analysis by the Technical University of Graz/Austria shows that their use is economic for open steel bridges with a bridge life expectancy of 15 years or more
  • LCC analysis by the University for Technology and Architecture in Freiburg/Switzerland indicates for switches
    • economic benefits of 8 to 12% when wood is replaced with FFU
    • economic benefits of 7 to 14% compared to a replacement of wood with concrete sleepers where the substructure must also be refurbished
Vorteile 1


  • Proven track record with more than 1,400 km of track fitted
  • In daily use for over 35 years
  • Gauge reliability in case of derailment
  • Increased safety of the railway system overall
  • Continuously excellent material technical properties
  • Quality controlled material
Vorteile 1


  • Free from insecticides
  • No water absorption
  • Very high chemical resistance
  • Very high resistance to weathering
  • No chemical effect on soil and water
  • 100% recyclable
Vorteile 1


  • Customised, dimensionally stable production to the millimetre ex works
  • Machinability during project the same as that of natural wood
  • Specific weight is the same as for natural wood
  • Use of standard tools
  • Use of existing rail fastening devices
  • No change in the unladen weight of a bridge
  • Constant static load bearing system of a railway bridge
  • Visual appearance of the bridge remains intact
  • Very high elastic load bearing ability – switch frog
  • Good interlocking with ballast
  • Very good electrical insulation
Vorteile 1
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