Flexible, Hydrophilic Polyurethane Foam or Gel Resin
Resfoam HL 35 is a single-component, water-activated, hydrophilic polyurethane used for sealing cracks or joints in concrete structures that are subject to continuous moisture exposure.
Technical Services at 1-800-992-6273
Customer Service at 1-800-426-2734 (1-800-42-MAPEI)