Koster NB1 - Crystallization active slurry mortar

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The object content is configured for use in UK, but it may also be suitable for use in other locations.



  • Mineral coating containing crystallizing and capillary-plugging agents.
  • Excellent resistance to pressure, abrasion and chemicals.
  • Highly effective waterproofing with bituminous building materials.


  • Waterproofing against ground moisture, non-pressurized and pressurized water.
  • New building and in the repair for horizontal and vertical waterproofing of concrete, masonry or cementitious plaster in wet rooms, bathrooms, showers, new-built basements, tanks, silos, sewage treatment plants, manholes, drinking water tanks, etc.
  • Application should only be carried out on substrates that are free from moving cracks.

- Köster Polysil® TG 500:
Recommended for use on highly and normally absorbent and dusty or salt-damaged substrates.


  • Negative side waterproofing: Mix with water.
  • Positive side waterproofing: Mix with recommended additive.
Platform Compatible Version Certified to
IFC IFC - 1 2.0
Revit Revit 2016 + 2 2.0

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