Water Sealing Blog - Tag: Grouting

Concrete Segment Polyurethane Injection

By Chris on 09-24-2019

Leaking concrete segments are injected with polyurethane grout in a tunnel that was created by a tunnel boring machine. The grout used was Hyperflex, which is injected as a liquid. The liquid material reacts with moisture and creates a hydrophobic foam to stop the infiltration. ... Read More

Category:  Company Information
Tags:   TBM Segment Concrete Injection Seal leak Tunnel Grouting Polyurethane 

Mining: Water, Ground, and Gas Control Challenges

By Chris on 01-29-2018

Mining encompasses many challenges for ground, water, and gas control. However, injection of polyurethane grout can provide a permanent fix. Grouting contractor Sub-Technical, Inc. has been providing solutions for over 25 years. Emergency roof control, massive inundations of water, and ... Read More

Category:  Company Information
Tags:   Mine Roof Control Water  ventilation Seals High Pressure Grouting Coal