The lime-based finishes are of high aesthetic value. At the same time they are extremely delicate and sensitive to the elements and outdoor aggressions, which can alter their color, causing stains and bleaching.
Particularly during the hardening phase they are very sensitive to water run-offs, as they can cause carbonates to leak from the finish, resulting in damage to pigments and aesthetic effect. During the maturation phase the supports have strongly alkaline pH, which limits the effectiveness of traditional protective treatments,requiring specific solutions.