YellaWood Protector semi-transparent stain and sealer, an acrylic-oil hybrid that includes water repellents and UV inhibitors, can be used for wood decks, fences, siding, pergolas, gazebos, and outdoor furniture. The manufacturer recommends applying two thin coats. Protector comes in three shades as well as clear, in one- and five-gallon buckets. Pricing varies. yellawood.com