Welcome to Sub-Technical, a recognized leader in the speciality field of polyurethane grouting, providing solutions for ground and water control throughout the mining and civil industries. With over 900 projects completed in North America, we offer solutions that are less invasive, more effective and more efficiently deployed when compared to most traditional techniques and materials. Sub-Technical provides a comprehensive range of services and offers over a decade of experience in numerous diverse and challenging projects. Our portfolio covers all aspects and types of mining, including emergency response to ground control issues on longwall systems and life-threatening inundations of water.