the italian word "a fresco" = fresh
This term indicates the unique pictorial technique, where no
agglutinants (egg, oil,
glue, acrylic resin, etc.) is used to fix pigments to the painted
The pigments mixed with water, are deposited on a mortar, extinct
freshly applied on a wall. The lime in contact with the air,
a transformation called carbonatation, which creates a fine
sheet of limestone,
and trap the pigments, fixing them in a durable way to the support.
the great Masters of painting a fresco, quote Giotto,
Piero della Francesca, Fra Angelico and Michel-Angelo.