Lime, derived from hard limestone, is one of the oldest building materials.
Already used by the ancient Romans, it is widely used in the territories of Noto.
Lime is formed of a compact white limestone that is cooked at a very high temperature, losing weight and releasing carbon dioxide through a process called carbonatation.
In order to be used properly it must be wet, i.e. it must undergo a further hydration phase, extinguishing the quicklime in water for at least three days before its use.
