Highly Flexible Cementitious Waterproofing Slurry

VELOSIT WP 120 is a polymer modified cementitious waterproofing slurry for concrete and masonry. It is a good substrate for coatings and overlays.

Typical applications:

  • Waterproofing of basements and below grade parking structures
  • Waterproofing of potable water structures
  • Protective coating on dams and spillways
  • Waterproofing acc. DIN 18533
  • Coating of tanks for manure and sewage
  • Waterproofing of swimming pools
  • Waterproofing underneath tiles and natural stones
  • Protection against rising dampness
  • Waterproofing of green roofs
  • Coating of trafficable flat roofs
  • Also available in white as VELOSIT WP 120 white or with increased abrasion resistance as VELOSIT WP 120 HD
  • Waterproofing of prefabricated garage roofs
  • Protective coating against CO2-ingress


  • Crack bridging
  • Highly flexible, tensile elongation > 100 %
  • Easy to apply
  • Resists 50 m (160 ft.) water pressure acc. to EN 12390-8
  • 60 min. working time
  • Final strength is achieved within 5 – 7 days
  • Open to foot traffic after 3-4 hours (23°C/60% r.h.)
  • Ready for water pressure after 5 days
  • Very good adhesion to concrete and masonry
  • Quick drying even without air contact
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