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PC Leakseal

PC Leakseal is a polyurethane based, liquid swelling mastic for sealing concrete joints and pipe penetrations. Also used as adhesive layer for PC Bentostrip or PC Elastoswell, or smoothening the roughness of the concrete surface.

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  • Easy application
  • Outstanding water sealing
  • Good physical properties
  • Excellent adhesion to several surfaces


  • 20 x 5 mm
  • 20 x 10 mm
  • 20 x 25 mm


  • Waterproof sealing of construction joints and cracks in concrete

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