What are the differences in concrete raising geo-polymers?

January 9, 2014by Jerald Sargent

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There are numerous Polymers on the market, some are very light weight, as light as 1/2lb per cubic foot and are typically used for insulation.  Other insulation foams can run as high as 2lbs per cubic foot, neither type of insulation foam provides satisfactory results for Slabjacking or Concrete Raising, though some spray foam contractors and ‘fly by night’ Slabjack Contractors may try to convince you otherwise.

Most of the general purpose lifting foams are in the range of 2-3.5lbs per cubic foot and are acceptable for walks, drives etc…

The better Geo-Polymers are even more dense and can support many thousands of pounds per square foot.  This is important, many times entry porches are poured solid and what may look like a simple six by six porch with two steps can weigh in excess of five tons and hold three cubic yards of concrete.

The best polymers are in excess of 3.5lbs per cubic foot and are fully hydrophobic, this means they are not effected by water, will set up completely in saturated soils and are impervious to pests, deterioration and compression.

Sadly, the majority of Slabjackers using this technology are using a very lightweight general purpose polymer, typically two pounds per cubic foot. While this is adequate for walks, we feel it is not up to the task of thick entry patios with large brick columns and/or super structures build on top of the slab.

1-855-752-2522 uses what we believe is the finest Polymer on the market today, RR401G. This fully Hydrophobic Polymer, weighs 4lb per cubic foot and is D.O.T. (Department of Transportation) approved, having undergone the rigorous approval process and is even tinted to match concrete.  For an interesting video go to our web site www.SlabjackGeotechnical.com and view the RR401g foam demonstration video posted there.  You will see something no wall foam or cheap substitute can do.  As a side benefit it is made of recycled plastic bottles, and is currently undergoing “green” certification.

Only by combining state of the art machinery, the finest Geo-Polymers, and a staff trained exclusively in Slabjacking, can superior results be expected. Slabjack Geotechnical is that company in Washington State and Northern Idaho.

Call 1-855-752-2522 for a no cost, no pressure, estimate today.

www.SlabjackGeotechnical.com
1-855-752-2522

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