Geopietra® is proud to announce that Mastrosistema®, the system that guarantees the laying of Murogeopietra® on Fassa Bortolo external thermal insulation, obtained AVIS Technique n° 7/22-1788_V1 (certification of technical suitability for use) from the CSTB (Centre Scientifique et Technique du Bâtiment / Francia). Mastrosistema® is also the only system to have passed the Lepir II earthquake and fire test.