How Do Paintings Stay on Walls for Hundreds of Years?

Paintings stick to walls like glue sticks. When artists make a painting, they put special layers of color that help it stay attached for a very long time, kind of like how sticky notes stay on your fridge. These layers are called paint binders, and they work like super-strong glue.

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A painting on a wall stays attached because the paint acts like sticky glue.
The base of the wall is like a rough surface that holds on to the paint layers like Velcro.
Ancient artists used egg yolk as glue for their paintings, just like you use glue sticks today.

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Categories: Art · painting· art preservation· Renaissance art· wall paintings· museum techniques