Water Sealing Blog - Tag: Leak

Leaking Valve Sealed with Grout

By Chris on 08-12-2020

A municipality needed to seal off a leaking water main valve in order to decommission the system.  They decided injecting polyurethane grout into the valve would be their best option in this situation.  Although this is not a common application, it will provide the desired outcom... Read More

Category:  Company Information
Tags:   leaking water valve decommission  body polyurethane grout 

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 

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 

Leaking Sandbags Sealed

By Chris on 10-19-2017

During a recent bridge replacement, sandbags were used to create a dry work area in the middle of a river.  However, the sandbags could not created a water tight seal.  SealGuard's parent company, Sub-Technical Inc. was called to control the water.  After SealGuard II... Read More

Category:  Company Information
Tags:   SealGuard Sandbag bridge replacement Sub-Technical leaking sandbags coffer dam 

CSO (TBM) Tunnel Leak Sealed by Sub-Technical

By Teresa on 01-27-2016

One hour and 55 gallons of chemical grouting & this leak was sealed by chemical grouting company Sub-Technical Inc using polyurethane grouts from SealGuard Inc.  This video shows the access shaft leading to the CSO (Combined Sewer Overflow) Tunnel that is part of the Storm ... Read More

Category:  Industry News
Tags:   Sealguard II extreme leak cso tunnel tmb shaft 

HyperFlex Fixes Serious Leak in Partial Natural Swimming Pool

By Bill on 06-10-2014

SealGuard was approached by the general manager of a 3,500 acre game preserve in the center of Texas to provide technical assistance and material to fix a large partially natural swimming pool. It was suffering from both heavy outflow when full and heavy inflow of dirty groundwater during ... Read More

Category:  Company Information
Tags:   HyperFlex Leak Swimming Pool 

HyperFlex Used to Fix Underwater Leak

By Bill on 01-26-2012

A new SealGuard customer, a private university in South Carolina, recently used HyperFlex to fix a cracked and leaking concrete pond and fountain. As the water feature was a half-acre in size, draining the pond was not an option. What had happened was that natural ground movement had ... Read More

Category:  Company Information
Tags:   Fix Underwater Leak