Preserve your wood 1 time every 7 years instead of every 2. This amazing product is an acrylate resin blend that is designed to be cured by sunlight. It contains more wood-protecting resins without solvents, water, or waxes that sit on the wood's surface and wash away. The low odor formula rejuvenates old decks to a fresh new finish. Use on wood decks, wood fences, wood yard furniture, wood siding, log homes, wood docks, or boat decks. One Time cannot be mixed with other products; completely remove and clean wood surface before applying this product. Covers approximately 400 sq. ft. per gallon on smooth new wood or up to 300 sq. ft. per gallon on older porous wood. Cures with sunlight in approximately 3 to 48 hours on a sunny day.