Similar to Human being, buildings also suffer with the age, presenting sets of pathologies, such as Moist, Fungus, Cracks, etc., which could be more or less visible.

These symptoms could came from the very nature of materials, the building age or changes on the structural environment.

Like in medicine, it is with most importance to have a careful diagnose, that relates the symptoms with causes, and with that give the best solution for solving the building problems.