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<font size=3>How to Begin</font><br>How to Begin

Margo Grout Plug (Packer) Reference Chart<br>Margo Grout Plug (Packer) Reference Chart

<font size=3.5 color=green>See Video -<br> Polyurethane Injection</font><br>See Video -
Polyurethane Injection

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DIY Injection Kit
DIY-inject Grouting Kits
[River Rock Industries Corp.]
 USD $295.00 
Availability:  Usually ships in 1-2 business days

DIY Injection Kit

This bundled package is designed for the handy home owner or home builder who needs to seal up a limited number of foundation cracks. It can also be used in industrial and commercial sites for spot repairs.

This kit should seal about 30 feet of cracked concrete, depending on thickness and width of the cracks. Additional injection grout can be purchased separately for bigger jobs.

This kit comes complete with:

      • 1 gal of Leak-Proof FLEX single component polyurethane injection grout. (Cracks should first be injected with water.)
      • the required activator to use with the grout resin.
      • 1 Hand operated manual grease gun injection pump with our own modifications for grout injection projects. Includes a 3' whip line.
      • 100 - 3/8" Hammer-in plastic packers for professional injection results.
      • Leak-Proof Pump Cleaner.

If the cracks you are intending to inject are tight ones, you should get an extra bag of packers. Just add it to this order.

Click Here! ----->  See The Video! -Polyurethane Injection



Follow the injection guidelines found in the Document Library section and you should be able to seal up a single crack. If you want to try it on your own and don't want to spend any additional money, this is the kit for you.

The use of these packers has become the standard in the Canadian injection community because they can be installed quickly, are more affordable than metal packers, and can be used in virtually 90% of the applications that grouters are asked to inject. (Projects encountering poor grade concrete should switch our Metal Mechanical Packers to assure a safe injection.) It is recommended that the technician always use the packers in clean drill holes that have been flushed fully with water to remove drilling dust.
Hint #1: Keep packers warm (room temp) prior to use. The zerk will be much easier to install into the packer.
Hint #2: Apply a small amount of the polyurethane injection resin to the outer surface just prior to inserting the packer in the drill hole and hammering it in. The grout will set in a very short time providing an excellent seal. Packers can always be used without the "coat" method.
Hint #3: When injecting tight cracks, we have found high success rates by drilling straight into the crack to a depth of 2/3 the thickness of the wall (always measure and tape your drill bit for depth). High pressures can be maintained with virtually no spalding blow-outs (as opposed to angle drilling) and excellent grout penetration. Space the packers every 2.5 - 3 inches and a depth of 5 inches for an 8 inch thick residential wall. Use a low viscosity resin to assure 100% penetration.
Technically speaking, the straight in drilling technique increases the surface area of possible grout penetration into the crack, within the wall. When angle drilling, you can expect grout penetration to occur at the point the drill hole intersects the crack. The exposed injectable surface area is just slightly more than the diameter of the drill bit used. Let's say a 3/8" drill bit produces a 1 3/16" (d=3.14 x r) of penetration point per drill hole. However, the straight in method will create a 10 3/8" penetration point in a 5" deep hole. This is almost a 900% increase in usable penetration point. When it is possible to use this method with the correct grout selection, you can lower pressures and achieve superior results in a shorter time. The inexpensive plastic packer won't cost you much for the extra packers used up by this process.

Hint #4: You can cut the the packers off with a rounded chisel as required. Clean divots can be filled with non-shrink grout or epoxy gel and dressed with a grinder. I would wait a couple of days to do this so the grout has time to cut out.

Where possible, always flood test your work to ensure the crack is completely sealed.

We always recommend that you hire a professional company to complete this type of repair, so we make no guarantee that your work will provide the results you are looking for.


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Plastic Hammer-In Packers 3/8" (1000) Loose Bulk Pack
Plastic Hammer-In Packers 3/8" (1000) Loose Bulk Pack

A HUGE DISCOUNT on a TOP brand packer!AMAZING PRICING $420.00 USD to read more & view availability...

USD $650.00
Add to Cart USD $420.00
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