Benedict’s has been Sydney’s trusted supplier of Bio-retention Media for over 10 years. Our Standard Bio-retention Profile of Materials, consists of a Filter Media, Transition Sand and a Drainage Gravel. These materials are externally tested against the FAWB Guidelines, and the resulting Hydraulic Conductivities and “Bridging Factors” show that these materials work together as a profile to meet the needs of a Bio-retention Profile. For this reason it is important not to substitute any of the three layers, as we can not warrant the performance of the profile should one of the layers be substituted with an alternative material.

  • Bio retention Filter Media
  • Transition Sand
  • Drainage Gravel
  • FAWB Guidelines (4.01 July 2015)


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