Online Training

Thank you for your interest in our products and certification. This certification is a very valuable and sometimes necessary tool when bidding and starting jobs which call for our materials. The standard charge is $600 for the certification. Please ask for a discount when combined with larger orders.

Moving forward, the easiest way to go about online training is to cover each product set individually.  We will start with the polyurethanes.  Please refer to the following links and read the guidelines for a more in depth view of these products and the differences between grout type, pumps, and packers in detail.

Choosing the correct polyurethane grout for concrete injection can be difficult. It is very important to understand the difference between Hydrophobic and Hydrophilic grouts. 

Hydrophobic grouts will completely deter water once it is in its’ cured state.  It may require water to initiate the reaction, but the cured product is entirely resistant to moisture.  Hydrophilic, on the other hand, will actually expand and contract depending on the water content in it’s’ environment.  This being said, we only recommend these materials in environments that have a constant water source.  (e.g. seawalls, or below grade basement wall repair where we can’t pinpoint a specific crack.  We would inject hydrophilic in a grid pattern to form an expanding and contracting “curtain membrane” on the positive side of the wall.)  When hydrophilic materials become completely dry, they harden and lose some of their properties when exposed to water again in the future. 

Hydrophobic materials, however, will remain in the same cured state for decades without needing water contact of any kind.  

SealBoss 1510 Water Stop Foam , 1570 Water Stop Foam, 1400 Line of LV-Resins, 1570 LV Water Stop Foam, and 1600 Structural-Foam are hydrophobic polyurethanes, while FlexGel and the 2400 Line of Acrylates are hydrophilic polyurethanes. 

Please continue to our ‘Online Product Catalog’ for data sheets on these materials and email me any questions you may have.

Coverages:

1510Water Stop Foam , 1570 Water Stop Foam, 1572 Water Stop Foam, and 1600 Structural-Foam are all expanding materials.  Simply multipliply (231 cubic inches) x (expansion rate in data sheet) for the overall coverage per gallon.1400 Line of LV-Resins are non-expanding resins.  We get 231 cubic inches/gallon.

FlexGel and the 2000 Line of Acrylates are hydrophilic polyurethanes which will expand and contract based on available moisture.  Hydrophilics are characterized by the amount of water they will take on per volume.  (e.g.  Flexgel2 will take on up to 15 parts water, please refer to data sheets for all ratios.)  We also estimate roughly 9 square feet/ gallon for curtain injections.

It is also important to understand the pumps, packers, and operating pressures.  Most polyurethane grouts can be pumped using a single component high pressure pump.  We supply a line of single component pumps.  The hoses couple to mechanical packers that are inserted into the wall, floor, or any concrete structure.  It is necessary to achieve relatively high pressures as the more material we inject prior to the reaction, the more dense product and more successful repair we have.  Some polyurethanes are 2 component mixtures.  In these cases, you will most likely want to utilize a 2 component pump.  Please keep in mind that if the reaction time allows enough time to inject and flush the pump, single component equipment may be used followed by immediate cleaning procedures.  

Please utilize our Online Product Catalog where you can download and print all data sheets for our materials, pumps, and accessories.

Again, please read the articles from the link above, and revert back with any questions concerning polyurethane injection.  We cannot possibly explain every aspect of the application in a training document, so we will need you to ask questions if something is not understood or unclear.

If the above link and information is understood, please continue on to Part 2.