BEHR Premium Semi-Transparent Waterproofing Wood Stain and Sealer is a penetrating oil-based stain that beautifies and protects your exterior wood surfaces. This product is available in popular exterior premix colors and can also be tinted to a range of other exterior colors. This product is ideal for both horizontal and vertical surfaces. After application, this product will resist rain after 4 hours which provides project flexibility during unsure weather conditions.