Liquids, especially water can manifest in the most unwanted places. Where access is almost impossible, Gast can provide the Technology to control the situation using state of the art technology and equipment. Water in deep mining applications can be controlled and "plugged".

Two major systems are employed: CWR (Colorless Water Repellant) and Liquid Plastic Injection. Both systems are injected under pressures ranging from 1 to 60 BAR.