The Blastcrete Predampener is designed to add up to 5 percent moisture to gunning materials to ensure proper hydration at the nozzle with minimal rebound. Our predampener is completely hydrostatic, allowing precise material predampening and output control. This unit is equipped with two solenoid activated water nozzles with simple water volume adjustment.


  • 9” hydraulic predampening auger
  • Mixing auger with removable rubber enclosure
  • Up to 3000 lb. (1360 kg) capacity hopper with material feed screw
  • Two solenoid water bars
  • 20-HP electric motor, disconnect, and enclosure
  • Skid-mounted with forklift pickup
  • Recommend by all major shotcrete material manufacturers


  • Refractory installations
  • Concrete repair
  • Swimming pool construction


Output 0-10 yd³/hr. (0-7.6 m³/hr.)
Length 138” (351 cm)
Width 55” (140 cm)
Height86” (218 cm)
Weight 2,867 lbs. (1,300 kg)


  • Trailer-mounted

  • Power Options

  • Kubota V1505 29-HP Kubota water-cooled diesel engine
  • Kohler 19-HP gasoline engine
  • 20-HP electric motor

Photo Gallery

  • Predampener Concrete Machine
  • Predampener Back
    Predampener Back
  • Forklift Pickup
    Forklift Pickup
  • Predampener with Gunite Machine
    Predampener with Gunite Machine
  • Predampener with Bulk Bag and Gunite Machine
    Predampener with Bulk Bag and Gunite Machine

Get Quote Now

Get a quote for this machine, call us at 1-800-235-4867
International Calls: 1-256-235-2700

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