SpectraGrout – Groundwater Out

SpectraGrout® is a single component, hydrophilic polyurethane resin designed to repair cracks, to seal around pipe penetrations and open joints, and to stop leaks in wastewater structures. Developed by SpectraShield® in the mid 1990’s for in house use, the product came under such high demand by contractors and municipalities that SpectraGrout® is now available commercially to the industry.


SpectraGrout® is available in tubes for point repairs, five gallon pails, and fifty five gallon drums to be used in pressure grouting for larger repairs.

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About SpectraGrout

High viscosity formula

Reacts with water to create a dense foam

Expands up to 10 times its original volume

Solidifies in minutes

Ideal for household and commercial use