Painting the walls is much more vulnerable than the wall itself, it is not surprising that the frescoes of the imperial period roma is not much left. Many frescoes have survived precisely because of natural disasters that makes buried in ash and sand, or indeed the painting was made in the basement. For example in Doura-euro and Roman tombs they are not very famous, but they show that in the roma community, already simple house is decorated similar to decorate with mosaics.

In decorating a wall of the house is certainly a wide variety of ideas that will think like, make wall decor, wall paintings, wall pictures, or add wall hangings such as photographs, paintings, furniture, etc. Painting a wall or mural gives the definition referred to as the largest painting created to support the architectural space, the definition can be further translated, then the actual mural can not be separated from the wall of the building in this regard.

The walls are seen not only as a room divider though indispensable element in building a house or building, but the wall is also seen as a medium to beautify the space. The impression complements the architecture can be seen in the building of the Catholic church is patterned shells paint a church roof which is usually a dome with paintings of clouds and stories in the Bible. Mural paintings made also means directly or indirectly on the surface of the wall of a building, which indirectly has in common with painting.