The BEHR Premium Solid Color Waterproofing Stain and Sealer is an advanced 100% acrylic formula that delivers all-weather protection from the elements for up to 10-years on decks and 25-years on fences and siding. The product is self-priming and delivers excellent protection from the sun's harmful UV rays. This stain will hide imperfections while allowing the wood texture to show through. This product is also great for composite decks. Color: Dark Walnut.