2. Evolution

2.1 From whitewashed cob to silicatization

Restoration work only concerns masonry, and excludes other facade components such as doors, windows, balconies, roof undersides, etc.

At the time, air pollution was non-existent and thermal differences between the outside and the poorly heated inside were minimal. Materials suffered less than they do today. Whitewashing a cob facade was a technique used to protect and embellish the facades of buildings constructed with this material. The lime used for whitewashing was generally slaked lime or hydrated lime, mixed with water to form a homogeneous paste. Sometimes, natural pigments or colorants were added to the lime to obtain the desired shade. As it dried, the lime solidified, forming a protective layer on the surface...