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Plaster contains portland cement. Portland cement technically doesn't "dry", it "cures", meaning that a chemical process causes it to harden. After the portland cement starts to "set up", it should be kept damp so that it doesn't crack or otherwise become damaged. When it's still fresh, you don't want to spray a lot of water on it, that could wash away some of the portland cement. Instead, just mist it to keep it from drying.
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What is dry fresco?
Painting on dry plaster as opposed to painting on wet plaster. Painting on wet plaster is more permanent because the paint is infused with the plaster.
What are frescoes and where are they found?
Frescos are murals painted onto plaster. Buon fresco, the technique of painting on wet plaster, creates vibrant colors and lasts a long time. Fresco secco, the technique of painting on dry plaster, does not last nearly as long.
What is the fowling scene made of?
It is a fresco made of dry plaster, a method of painting on plaster that is dried first and painted on later. Comparing this to the Minoan method of painting on wet plaster, this method did not do well in preserving the fresco as the fresco would fall off with the dry plaster if it cracks.The wet plaster made it easier for the paint to be absorbed as depicted in the Minoan artwork, the Bull Leaping scene, found in Knossos.
What is the name of the painting done on a plaster wall?
Paintings on plaster is called 'Fresco'. It is painted when the plaster is still wet. Leonardo da Vinci's 'The Last Supper' would be one of the most famous frescos.
What is an advantage of the buon fresco (paint on wet plaster) technique?
the paint becomes part of the wall
