Standard Rigid Cementitious Waterproofing Slurry

VELOSIT WP 100 is an economic cementitious waterproofing slurry for concrete and masonry. It is a good substrate for coatings and overlays.  It is a good barrier against negative side water pressure.

Typical applications:

  • Waterproofing of basements and below grade parking structures
  • Waterproofing of potable water structures
  • Waterproofing of elevator pits
  • Waterproofing against rising dampness in walls
  • Negative side waterproofing underneath flexible waterproofing membranes
  • Prime coat to fill blow holes, honeycombs and surface roughness


  • Minimal shrinkage/expansion under dry resp. wet curing conditions
  • Hydrophobic
  • Resists 50 m (160 ft.) water pressure acc. to EN 12390-8
  • 45 min. working time and 15 MPa compressive strength after 24 hours
  • Final strength of 30 MPa (4351 psi) after 28 days
  • Open to foot traffic after 4-6 hours
  • Ready for water pressure after 3 days
  • Good adhesion to concrete and masonry 
  • Water curing may be required for first 24 hours at high temperatures
  • No cracking if applied too thick
  • Good resistance against aggressive media with a pH range of 3-12 and against soft water with low ion content
  • Good weathering resistance
  • Potable water approved
  • Good sulfate resistance


Here you can find detailed information about the selected VELOSIT product.

Technical Data Sheet Environmental Product Declaration - EPD Safety Data Sheet Prospect Waterproofing Systems

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