Water Sealing Blog - Tag: control
TBM Launch Pit Injection
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
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TBM Water control Launch Pit Tunnel Rib
Tunnel Boring and Grouting
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
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Polyurethane Injection Grout TBM ground consolidation stabilization water control
Intake Shaft Water Leak
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
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water control mine shaft high pressure leak
Tunnel Grouting after a TBM
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
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Tunnel water control. TBM Boring Machine Polyurethane Grout Concrete
Injection Into Steel
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
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steel polyurethane injection sheet pile water control
Limestone Pit Water Control
Parent company, Sub-Technical, Inc demonstrates the ability of SealGuard II being able to stop large inflows of water.
... Read More
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Limestone Pit water Control
14 Year Old Grout Still Impresses
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
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water control polyurethane grout injection
Mining: Water, Ground, and Gas Control Challenges
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
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Mine Roof Control Water ventilation Seals High Pressure Grouting Coal
SealGuard Inc. Obtains ISO 9001:2015
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
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polyurethane grout ground control water
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