Prime Flex 900 LVSF

Prime-Flex 900LVSF is a solvent free, hydrophilic, liquid polyurethane injection resin designed to seal leaks in concrete and masonry structures. When it contacts water, Prime-Flex 900L VSF expands up to 700% and forms a tough, flexible foam seal that cannot be penetrated by water



  • No V.O.C.'s
  • Single Component (no catalyst required)
  • Extremely Flexible
  • Super low viscosity for good penetration of cracks
  • Very tough foam
  • Up to 700% expansion


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TBP Group Business Office Thoms Drive Suite 411  Phoenixville, PA 19460
Phone 610-482-6001  Fax 610-933-4910  email: