Abstract: According to various aspects of the present disclosure, there are provided various exemplary embodiments of covers, systems and methods for covering boards and deck components. In one exemplary embodiment, a cover generally includes an upper portion and generally downwardly extending side portions. The cover's upper and side portions are configured to generally cover at least the top and sides of the outdoor deck component. The cover's side portions may include through-holes to allow venting of moisture from an area between the cover and the outdoor deck component when the cover is positioned on the outdoor deck component.