Sprinkle water on your deck every few months to see if it soaks in immediately or sits on top of the boards. If the water soaks in immediately, it's time to stain or seal your deck again. Don't worry, it's easier than it sounds!
How to Stain a Wood Deck - Before and After Wood Deck Makeover power washer Cabot Solid Stain. ( "Because we were applying it over a painted surface and didn’t want to sand down to the raw wood, a solid stain seemed like the best choice")