SealGuard Inc Polyurethane Grout

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Water Sealing Blog

Shrinking Concrete

By Chris on 11-02-2018

Concrete shrinks.  In this instance, it was allowing an unwanted transfer of water.  When constructed, this corrugated HDPE pipe was incased in concrete to limit erosion and to ensure that no back-flow could occur.  A back-flow valve was also placed inside the pipe.  However, over time, back-flow was occurring.  What had happened was the concrete around the outside of the pipe had shrunk, thus leaving a void the entire length of the pipe. 

The solution was to inject Hyperflex, a single component chemical grout by SealGuard, Inc.  The Hyperflex was injected from the inside of the pipe to fill the void space that the shrinking concrete has created.  Once reacted, the grout created a polyurethane barrier to stop the back-flow.  The Hyperflex was injected by Sub-Technical, Inc. using mechanical injection packers and an electric grout pump. 


Retaining Pond Standpipe

By Chris on 10-10-2018

Mine discharge was infiltrating an overflow flow pipe located in a retention pond.  The continuous flow of the cont... Read More


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


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 custom... Read More