OLYMPIC MAXIMUM Toner provides a slight hint of color that allows wood?s natural grain and texture to show through. Penetrating formula provides waterproofing and UV defense to strengthen, protect and condition wood fibers, ensuring the wood?s natural beauty lasts. Recommended for use on exterior wood decks, fences, siding, railings, outdoor furniture and other wood surfaces. Apply to new, dry, pressure-treated wood, uncoated new or weathered wood or previously coated wood with a weathered, clear sealant or semi-transparent stain.