This easy-to-use, environmentally-friendly, spray-on water repellent provides long-lasting protection on most exterior wood substrates with little to no change to the surface appearance. Ideal for wood decking, wood fence, gondolas/pergolas, plywood, wood siding, wood shingles and more. This product does not harm landscape plantings, is vapor permeable (breathable), dries clear without changing the surface appearance, protects against water damage and de-icing salts, resists mold and mildew growth and is safe for use around people, pets and plants.