What happens when you paint over a porous surface?

What happens when you paint over a porous surface?

A good gloss paint may soon begin to chalk if used over a porous surface, which has been insufficiently sealed. In these cases the finishing gloss loses some of its medium by sinkage into the previous coats, leaving it liable to more rapid erosion on weathering.

How are the paintings of famous artists classified?

Famous paintings and artists vary from time to time, thus their paintings can be classified into different periods, e.g. Impressionist art by famous artists pursue simply forms and decorative effect of colors, they yearn for customs and art of people in primitive tribes.

Are there any defects in the painting process?

Most painting jobs are completed without any problems but occasionally things don’t go to plan. Here are some of the defects that may occur, their causes and how to remedy them.

What do you need to know about Greek vase painting?

Greek Vase-Painting, an introduction 1 Useful for scholars. Pottery is virtually indestructible. 2 Shapes and Themes. Made of terracotta (fired clay), ancient Greek pots and cups, or “vases” as they are normally called, were fashioned into a variety of shapes and sizes (see 3 Techniques, Painters and Inscriptions. …

How can a conservator tell if a painting is original?

For harder-to-see indicators of authenticity and condition, conservators examine the work under higher magnifications as well as ultra-violet and raking light. These techniques can expose restorations and help determine if a signature is original.

How can I tell if a painting is from the past?

Use obvious clues in the subject matter to narrow down the date. Contemporary painters may paint people or objects from the past, but they can’t time travel! If there’s a train, company logo, digital clock, or some other time-specific component of the painting, this is a great way to set a baseline for your search.

How are the linings of paintings fused to the canvas?

Historically, linings were fused to the original canvas using a strong hide-glue and a hot iron. According to Shannon, “This process often crushed the impasto (areas of thickly applied paint) and cannot be reversed. Artists deliberately used impasto to refract light.

What does the back of a painting reveal about its history?

The catch with many of these references is that only partial information, like exhibition or painting title, are listed.

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