Ballast Aggregate

Made from crushed stone, Ballast aggregate material is mainly used in the construction of rail tracks. Found below, between and around the rail sleepers or ties, it serves a number of purposes that include:

  • Drainage of water around the tracks.
  • Providing uniform support.
  • Anchoring the track.
  • Bearing and transmitting the load from the railroad ties.
  • Preventing vegetation growth.
  • Resisting aggregate degradation
  • Minimising climatic influence
  • Facilitating maintenance
  • Resisting fouling


  • Drainable
  • Strong and hard wearing
  • Stable
  • Easy to clean
  • Correct shape
  • Low flakiness index



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