Last stage in maintenance: the protection of the bases, they form an invisible barrier that prevents the degradation of the house materials. They limit the incrustation of stains that occur over time and protect against bad weather, (rain, ice, etc.). These products allow porous materials to be strengthened and increase their lifespan without changing the appearance nor the structure of the materials. Without solvent or silicone, they let the materials breathe. These products are very respectful of the environment and are biodegradable.