Rising Damp coming from the ground that, by capillarity, rises through porous materials is one of the main degradation causes of historical and ancient buildings, essentially, of its thick walls with heterogeneous composition. In the last few years, the Building Physics Laboratory - LFC of Porto University, Faculty of Engineering - FEUP, validated and analyzed the operating principle of a technique called "Wall Base Ventilation System" for the treatment of rising damp problems in historical and ancient buildings, consisting in enforce the circulation of air in the base of the walls of...