Water Sealing Blog - Tag: Injection

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 

On Site Training

By Chris on 08-10-2021

If you are interested in learning how to polyurethane grout, our parent company, Sub-Technical, Inc. can provide on site training.    ... Read More

Category:  Company Information
Tags:   grout training jobsite polyurethane injection 

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  

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 

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 

A Unique Grouting Setup

By Chris on 02-06-2019

Parent company Sub-Technical, Inc was called in to reinforce a SealGuard customer on a grouting job that became too overwhelming.  Upon arrival, Sub-Technical employees couldn’t help but notice their pumping setup.  After 20 plus years of polyurethane grouting experience, t... Read More

Category:  Company Information
Tags:   Hyperflex Chemical Grout Pump Airless Paint Sprayer  

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