Trenchfill Concrete (CLSM)


Controlled Low Strength Material (CLSM) is highly workable, low-density material incorporating up to 25% entrained air. Generally, self-levelling and self-compacting material that is easy to pump. Ideal for application where access is difficult. Use of specialised admixtures enhance plastic and hardened properties of CLSM.

Product Application:

All types of voids such as:

  • Pipelines, ducts and shafts
  • Abandoned petrol, oil and water tanks
  • Unused culverts, sewers, cellars and basements
  • Low density insulating fills
  • Sub-screeds and under floor voids

Product Features:

  • Reduced density
  • High flowable with no segregation
  • Self-compacting
  • Easy to pump both vertically and horizontally
  • Reduced cost of labour and equipment when compared to standard compacted soil

Available from all locations.

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