Consolidation tests in archaeological wall painting: comparing treatments depending on the painting technique

Consolidation is a treatment of great importance for archaeological wall paintings due to their state preservation, in which the lack cohesion mortar and pulverulence pictorial layer are common. The objective this work has been evaluate consolidation tests that have carried out on decontextualized fragments belonging five different (from periods with differences conservation painting techniques). For this, two most used treatments coatings, such as an acrylic resin ethyl silicate, compared use nanoparticles, nanolimes nano together bioconsolidation until present mainly stone material: bacterial carbonatogenesis.