The reason for its restoration

Twenty-three years after the last work was done on it, the Altar of the Fatherland and its ornaments are not clearly legible and in some parts even in a critical state. The atmospheric conditions of the Vittoriano, with humidity and high temperatures due to exposure to sunlight, have led to the formation of a dark patina on the stone surface caused by the accumulation of micro-algae, fungi and lichens.

These microorganisms, in addition to blurring the correct perception of the work, are causing mechanical and chemical deterioration of the surface. Fungi, for example, penetrate the cracks, mechanically stressing the structure and increasing the fragility of the material. Algae produce a corrosive mechanical action that leads to the growth of further lichens.