Saltpetre resistant waterproofer for absorbent mineral materials. Prevents salt efflorescence caused by the presence of soluble salts (one of the main cause of plasters and paints’ detachment and degradation). It prevents mould and algae too. Hydro Pro® AS acts in-depth, does not provoke any colour variation on treated surfaces and neither surface films. This keeps unaltered the material’s transpiration. It has an anti-dust properties and enhances the adhesion of paints and coverings.

Suitable for the protection of exposed brick walls, cement, plasters, cotto, natural stones, fibre-cement panels. Excellent as primer for exterior paints and coverings.


  • Prevents salt efflorescence, mould and algae
  • Does not alter treated surfaces
  • Enhances the paints’ adhesion and cover power
  • Increases the duration and the resistance of outdoor coverings
2042 001Tin can 1 lt12 Tin cans8056736862858
2042 005 Tin can 5 lt 4 Tin cans 8056736862865
2042 025 Tin can 25 lt 1 Tin can 8056736862957

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