Fissure or Void Fill Grouting

Fissure or Void fill grouting is a technique where underground voids are filled, in order to prevent or restore sinkholes and depressions or to reduce the flow of groundwater through these voids.

This technique is used for:

• Filling underground structures (abandoned tunnels, sewers, etc.)
• Filling of cracks in fractured rock soil in order to improve stability of to reduce the permeability.