Water Sealing Blog - Tag: repair

Bridge Rehab

By Chris on 09-30-2021

Although structurally sound, this bridge had some hairline cracks that would continually drop water onto traffic below.  By inserting mechanical packers alongside the fractures and injecting polyurethane grout, the seepage was able to be stopped.  The polyurethane grout used in t... Read More

Category:  Company Information
Tags:   hyperflex grout injection polyurethane  concrete repair 

Rescuing a Turn of the Century Culvert under a New York Rail Line

By Eric on 11-21-2019

As winter approaches, a heavy rain event proved to be “the straw which broke the camel’s back” for this turn of the century block and brick-built tunnel. Heavy rains recently caused the loosening and partial collapse of the structure internally. Constructed of four row... Read More

Category:  Company Information
Tags:   rail culvert tunnel repair sinkhole collapse 

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 encased in concrete to limit erosion and to ensure that no back-flow could occur.  A back-flow valve was also placed inside the pipe.  Ho... Read More

Category:  Company Information
Tags:   shrinking concrete back-flow repair hyperflex polyurethane grout 

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 contaminated water was causing environmental concerns at the exit location.  Using the polyurethane grout Hyperflex, grouting contractor Sub-Technical was able to stop t... Read More

Category:  Company Information
Tags:   AMD Retention Pond Overflow Pipe Repair Infiltration 

Broken Sewer Lateral

By Chris on 06-15-2017

After a recent pipe lining, a sewer camera discovered that a lateral was leaking groundwater perfusly.  After excavation, it was discovered that a 3" section of the pipe was missing at the connection.  One set of SealGuard II fixed the problem and saved the township from ... Read More

Category:  Company Information
Tags:   Sewer Lateral Repair