Sun-Proof® Alkyd/Oil Semi-Transparent Stain is an excellent, exterior semi-transparent stain formulated to add subtle color while allowing wood's natural grain and texture to show through. Recommended for use on exterior wood decks, fences, siding, railings, outdoor furniture and other wood surfaces. May be used on new wood, pressure-treated wood, weathered wood, and wood previously coated with a solvent-based clear or semi-transparent stain. For immediate use on new, dry pressure-treated wood.