CJGrout

Geotechnical Polyurethane Grout

CJGrout polyurethane grout systems solve the unique challenges faced in the geotechnical, structural & utility grouting markets.

Each CJGrout has unique properties developed around solving unique problems. Polyurethane grouts offer substantial benefits over cementitious grouts, such as:

Improved cleanliness
Reduced loads on underlying soils
Minimal downtime
Significant time savings

Among geotechnical polyurethanes, CJGrout excel in that each grout has been developed by chemists working hand in hand with an experienced contractor to solve specific, real-world geotechnical & infrastructure problems. CJGrout isn’t just rebranded spray foam.

Advantages

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Efficiency

Time is money. Minimizing downtime and speeding return to service is a key benefit of choosing CJGrout polyurethane grouts. Unlike high mobility cement-based grouts which may take hours, if not days, to accept traffic, CJGeo’s polyurethane grouts can take traffic within minutes of placement. Even rail traffic.

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Longevity

Settlement usually starts with poorly consolidated underlying soils. CJGrout polyurethane grouts are significantly lighter than traditional cement based grouts, but still provide excellent bearing capacities. Using polyurethane grout decreases the burden on underlying soils. This helps to reduce the likelihood of resettlement from increases in dead loads. The half life of geotechnical polyurethanes is generally greater than 150 years.

CJGrout Polyurethane Grout Systems

These are some of the most common CJGrout systems that CJGeo uses.

System	Ideal Use
20FDS	Sprayed applied above-grade lightweight fill.
20SDB	Poured or injected mass void filling.
20SDP	Insulating steam lines, void filling of high-temperature infrastructure.
22SHV	Permeation and bulk void grouting in wet environments.
28FDL	Light-duty differential settlement correction.
30NHL	Medium-duty lifting applications and compaction grouting of soils.
35NHV	Moderate mobility grouting of pavement, structures, and soils.
40NHL	Medium-duty differential settlement correction & compaction grouting.
48NHL	Heavy-duty differential settlement correction & compaction grouting
60FDC	Surface dry-sprayed coating applications.

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