Worldwide, the popularity of wood decks continues to rise. With many species of this renewable resource (if harvested in a sustainable way) available in different shades, decks can be custom designed to add beauty and value to a home as well as create a unique outdoor living space. Wood decks are an investment, and the choice of species is driven by consideration of the color, durability and material cost. Maintenance should also be included in this decision, but often is not perceived as an important factor. With trees being harvested at a relatively early age in order to meet demand, many of the wood species used for deck construction do not have time to fully build up their natural resistance to damage by the sun, humidity and insects. Fortunately, properly formulated coatings can provide that protection.
During its lifetime, a deck is exposed to a multitude of influences that can lead to damage. Ultraviolet (UV) radiation, acid rain, dirt, chemical spills, scratches and foot traffic can all affect the appearance of wood by: