Its unique blend of modified oils and resins is formulated to repel water, resist the impact of UV light and contains additives that prevent graying during the life of the stain It also cures faster than other deck stains, making it the recommended product for decks or any surface that will be walked on or tracked. Wood Defender 200 Series Wood Stain and Seal The Wood Defender 200 Series Wood Stain & Seal uses the latest proven technology available to protect wood against the elements. Its unique blend of modified oils and resins is formulated to repel water, resist the impact of UV light and contains additives that prevent graying during the life of the stain. It also cures faster than other deck stains, making it the recommended product for decks or any surface that will be walked on or tracked. The 200 Series Wood Stain & Seal is often used by contractors and homeowners looking for one product to use in multiple outdoor applications.