BI MORTAR RASO SEAL waterproofing cementitious levelling compound


Levelling and waterproofing in a single solution

BI MORTAR RASO SEAL is a spatula-applied fibre-reinforced cement-based levelling compound. This creates a continuous waterproof coating.

Where to use it

  • Waterproofing of under or above ground concrete or masonry surfaces Particularly suitable for:
  • Mixed material or concrete underground structures, also in combination with other products from the BI MORTAR line
  • Basins, tanks and channels, walls in general
  • Prefabricated elements such as wells, ditches, concrete piping and similar


  • It simplifies and reduces the application phases by featuring ”two products in one”, as it evens out and waterproofs in a single application
  • Also applicable on uneven surfaces
  • Excellent adhesion on most types of substrates such as concrete, mortar, stone, brick
  • Good surface finish thanks to its fine grain size
  • Waterproof levelling compound also suitable in conditions of negative hydraulic pressure

Related case history


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