AV-202 Multigrout

Hydrophilic Polyurethane Grout

AV-202® Multigrout is a single component, moisture-activated MDI/TDI blended polyurethane injection resin. It is designed for sealing active water leaks in large cracks or joints in concrete structures. AV-202 can absorb up to 10 times its weight in water, creating a tough and impermeable with superb adhesive qualities at a 1:1 water-to-resin ratio, or gel at a 10:1 water-to-resin ratio.






  • Large cracks or joints in concrete or used in conjunction with AV-219 Fibrotite™ (Oakum).
  • Designed for applications where high-volume water flow is an active and/or potential problem and a high-viscosity chemistry is required.
  • Used successfully in manhole sealing and pipe penetrations.
  • Excellent choice for moving cracks and joints.


  • NSF/ANSI/CAN 61 Drinking Water Systems Component Certified.
  • 100% solids.
  • Free rise expands 400% – 600%.
  • Solvent-free and non-corrosive.
  • Cures flexible with superb adhesive properties.
  • Can accept up to 10X its volume in water.
  • May be used in underwater applications.
  • AV-202 Multigrout is available in other variations including a low viscosity (LV) and a non-potable (NTP) version.


Appearance: Brown resin
Viscosity: 3,200 – 6,000 cP @ 77°F (25°C)
Flash Point: 253.4°F (123°C)
Specific Gravity: 1.090 @ 72°F (22°C) ± 3%
Density: 9.09 lbs. per gallon ± 3% (1.090 kg/L ± 3%)

Appearance: Milky colored, flexible
Tensile Strength: TBD
Elongation: TBD


  • Drum – 484 lbs. (220 kg)
  • Pail – 44 lbs. (20 kg)
  • Gallon Container – 8 lbs. (3.6 kg)
  • Cartridge (Case of 12) – ~10.1 fl. oz. (~ 300 ml)