Negative Waterproofing


A rapid setting non‐shrinking Water Plug that is used to form an immediate stop against active leaks under pressure. Suitable for active water leakages through holes, cracks and opening in concrete and masonry surfaces.

Fast setting high strength properties of Aquaplug also enable it to be used as a rapid setting compound for anchoring bolts, fixtures, conduits, pipes and sanitary equipment.


  • Stops active water leaks and flowing water with immediate effect
  • Sets in 1-3 minutes
  • Non shrinking
  • Cures to have the mechanical strength of concrete
  • Will not promote corrosion of steel reinforcement
  • Non staining and free of dangerous odours
  • Able to be sanded/grinded to existing structural shapes/contours
  • Provides an excellent initial seal in negative waterproofing applications before being finished over with a waterproof membrane


  • Water tanks and water retaining structures
  • Basements, cellars, underground car parks and subterranean walls exposed to water ingress
  • Lift shafts and lift pits
  • Concrete pipes
  • Tunnels, power stations and sewer systems
  • Joint filling between concrete segments including pipers, culverts, tunnels, mines etc
  • Pressure resistant fillets at wall/floor junctions of water retaining or underground structures