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Sound Walls

The Sound of Silence  

Stubbe’s Precast offers a line of noise barriers called WHISPERCRETE.  These noise wall systems can be designed using either a single-sided absorptive finish or a double-sided reflective (concrete) finish depending on the acoustic requirements of the site. 


  • Post and panel system

o    Optimum post spacing of 4.88 m (16’)

o    Panel heights of 0.5 m (1.64’) and 1.0 m (3.28’)

o    Wall heights up to 13.5 m (44.3’)

  •  Single-sided WHISPERCRETE (absorptive) panels with a minimum NRC of 0.70 or double-sided concrete panels (reflective)
  •  Hot dipped galvanized steel or concrete posts
  • STC rating – up to 49
  •   Panels manufactured in a CPCI certified Ontario plant
  •  MTO DSM #5.50.20 for precast barriers approved
  •   Precast panels allow for a wide spectrum of patterns, textures and colours
  •   Walls can be designed with integrated retaining panels


  • Roads and highways
  •  Rail corridors
  •  Industrial and commercial developments
  • Residential developments
  • Generator or transformer enclosures