Cabot Semi-Transparent Deck and Siding Stain is a deep-penetrating， linseed oil-based stain that beautifies and protects exterior wood. This lightly pigmented stain enhances the natural beauty of the wood by allowing the grain， texture， and color variations within the wood to show through. Exterior wood decks， siding， fences， and trim. Also suitable for use on shingles， shakes， and roofs. Especially effective on rough-sawn surfaces.