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Avanti AV-202 Hydrophilic Grout

AV-202 Multigrout is a single component, moisture activated MDI/TDI blended polyurethane injection resin. Designed for sealing active water leaks in large cracks or joints in concrete structures, it can absorb up to 12 times its weight in water creating a tough, impermeable foam or gel with superb adhesive qualities. AV-202 Multigrout is certified by UL for NSF/ANSI 61 - Drinking Water System Components.

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AV-202 hydrophilic multigrout is a polymer solution which cures when reacted with water. It reacts freely with water in any proportion to form a strong film, gel, or foam of polyurethane. AV-202 Multigrout’s intended use would be to prevent water infiltration into sub-grade structures and pipes.


  • Store in a cool dry area. Keep tightly sealed from moisture.

First Aid

If AV-202 Multigrout or its solution should come in contact with skin or mucous membrane, wash thoroughly.

In the case of eye contamination, flush thoroughly with water and boric acid solution; seek prompt medical attention.


Product contains toluene diisocyanate. Vapors may cause respiratory irritation and sensitization. Take precautions to avoid breathing of fumes and vapors.

Operators should be equipped with protective clothing including rubber gloves and face shield. Ventilation should be used in confined spaces.


Recommendations for use of this product are based upon tests believed to be reliable. Since field conditions vary widely, the user must determine the suitability of the product for his particular use. Avanti International warrants that this product conforms to the chemical description on the label. Avanti makes no expressed or implied warranty.
In no case shall Avanti be liable for consequential, special, or indirect damages resulting from the use or handling of this product.

822 Bay Starr Blvd * Webster, Texas 77598-1528 * (281) 486-5600 * 800-877-2570 * Fax (281) 486-7300

MIX RATIORatio Range General Properties
Water: AV-202
1:1 to 5:1 Foam
6:1 to 10:1 Expansive gel
11:1 to 15:1 Soft gel
16:1 to 49:1 Very weak gel
50:1 to 100:1Emulsion
FOAM TIMERatio RangeFoam Time In Minutes
Water: AV-202 at 78º F (26 C)
1:1 1:50