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Proofex S

Proofex S

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Reinforced bituminous sealing tape for pre-cast concrete.

Previously known as Conwrap HD.



Proofex S is an externally applied tape of various widths, for sealing joints in pre-cast elements such as box culverts. Proofex S is normally used in conjunction with internally placed Conseal CS231 sealing strip.


  • Sticks and bonds rapidly and permanently to clean, dry surfaces
  • Fast and simple application
  • No special tools, heating or drying required
  • Flexible, long lasting, self-sealing to minor substrate blemishes
  • Can help prevent mould by sealing out moisture
  • High puncture resistance and joint water pressure resistance
  • Low water vapour transmission
  • Withstands hot asphalt overlays on roadways and car parks

Technical Data Sheet

Safety Data Sheets

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