Water Sealing Blog - Tag: control

TBM Launch Pit Injection

By Chris on 01-28-2021

Grouting contractor Sub-Technical, Inc. injects SealGuard II into a launch pit for a tunnel boring machine to stop water infiltration. SealGuard II is fast reacting a dual component polyurethane grout. In this instance, it was injected with a pneumatic pump and a mechanical packer. Note th... Read More

Category:  Company Information
Tags:   TBM Water control Launch Pit Tunnel Rib 

Tunnel Boring and Grouting

By Chris on 10-22-2020

The entrance of a tunnel being created by a tunnel boring machine can be as fascinating as the TBM itself.  Countless systems are being fed and networked to workers miles away.  That intricacy doesn’t just stop there. Even a seemingly simple task like routine maintenance ca... Read More

Category:  Company Information
Tags:   Polyurethane Injection Grout TBM ground consolidation stabilization water control  

Intake Shaft Water Leak

By Chris on 05-26-2020

Pictured is the looking down view of a high-pressure water leak, in an intake shaft of a mine. The water intrusion was 200 feet below the surface, and forceful enough to hit the other side of the shaft. Within the smaller box shows the leak sealed off. This was done with the polyurethane g... Read More

Category:  Company Information
Tags:   water control mine shaft high pressure  leak 

Tunnel Grouting after a TBM

By Chris on 08-27-2019

Tunnel boring with a TBM creates many opportunities for polyurethane grouting. For instance, the tail seal brushes of a tunnel boring machine are coated with grease to act as a water barrier, as ground water needs to be kept in the front of the machine. Over time the brushes wear out an... Read More

Category:  Company Information
Tags:   Tunnel water control. TBM  Boring Machine Polyurethane Grout Concrete 

Injection Into Steel

By Chris on 08-22-2019

Injecting polyurethane grout into steel is not as common as concrete injection, however it can still yield great results. The biggest difference being an injection port instead of a traditional packer. This port was created by first welding a threaded coupler near the leaking area. A magne... Read More

Category:  Company Information
Tags:   steel polyurethane injection sheet pile water control 

Limestone Pit Water Control

By Chris on 06-21-2018

Parent company, Sub-Technical, Inc demonstrates the ability of SealGuard II being able to stop large inflows of water. ... Read More

Category:  Company Information
Tags:   Limestone Pit water Control 

14 Year Old Grout Still Impresses

By Chris on 03-05-2018

SealGuard, Inc., manufacturer of SealGuard II polyurethane grout, recently received an interesting call from a customer. The customer stated that he found a SealGuard II starter kit in their warehouse with a date of 2004 marked on the box. Apparently, the employee who purchased it origi... Read More

Category:  Company Information
Tags:   water control polyurethane grout injection 

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  

SealGuard Inc. Obtains ISO 9001:2015

By Chris on 09-19-2017

ISO 9001:2015 Certification Earned By SealGuard Inc. (Pittsburgh, PA) SRI Quality System Registrar is pleased to announce that it has recently awarded an ISO 9001:2015 Management System certificate to SealGuard Inc., located in Gibsonia, Pennsylvania, for the manufacture and distri... Read More

Category:  Company Information
Tags:   polyurethane grout ground control water