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 materials transpiration. It has an anti-dust properties and enhances the adhesion of paints and coverings.Applications
Suitable for the protection of exposed brick walls, cement, plasters, cotto, natural stones, fibre-cement panels. Excellent as primer for exterior paints and coverings.Advantages

• 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

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