Although they are made of resilient woods like cedar and alder they are subject to aging. This page will provide information to help your prized wooden art objects grow old gracefully. Direct sunlight should be avoided. Modern materials have contributed greatly to the longevity of contemporary pieces.
Acrylic paints, the most widely used paint medium, is very resistant to ultra violet light.
But even this paint will fade slowly when subjected to intense sunlight. Some artists prefer using paint mixtures similar to mixtures used on traditional artifacts. These paints range from watercolors to paints mixed with natural pigments and egg white. Many old pieces that were originally colorfully painted with these kind of pigments now appear unpainted with their intricate designs barely visible. These paints are very sensitive to light and moisture.