In fact, this is true of all exterior wood features, including gazebos, decks, fences ... you must either stain it or paint it, and you need to understand the differences between them to decide ...
Before applying new decking stain or paint, make sure the decking is clean ... Use a pad applicator for the quickest results, and a brush around the edges. Seal the ends of the wood if they're exposed ...
Keeping a wood deck in good shape takes ... on any areas of the deck with old paint or finish that's peeling or chipped. If you’ve applied a solid stain or clear sealer, then covered areas ...