The lack to wash the surface correctly is probably one of the most common causes of the premature lack of the painting. Frequently, people think that she cleans the surface, when in fact she clarifies it simply dull. Clarifying and the cleaning is not the same thing.

Most of the manufacturers they recommend the use of a ‘ pulverized commercial despedregadora.’ There are many acceptable soaps that solve this specification. The point is, you must use the soap and the water to clean the surface correctly. The process of the cleaning clears more than the dirt. Also it clears chalk, the airborne oils, the produced sap of the tree, and oils the bacteria.

The chalk is produced by the natural interruption of the painting. Rub his finger through a little painting that has been exposed to the light of the sun and the time. Generally, its finger will take this ‘ chalk ‘ from the painted surface. This chalk will be the same color that the painting. If you understand how the painting becomes, you will understand porqué better marks with chalk.