Protect and beautify with BEHR PREMIUM Solid Color Weatherproofing All-In-One Wood Stain & Sealer. This 100% acrylic formula seals out the elements, and the sun’s harmful UV rays, for up to 10 yrs. on decks and up to 25 yrs. on fences and siding. It’s available in more than 1,600 custom colors to help you get just about any look you can imagine.