Inactive Part Number Repels & Protects against Snow - Ice from sticking or Water penetrating Concrete, Brick, Wood Winterizer is applied once a year in the fall and protects for up to 9 months. For protection of unpainted, unsealed Wood & Masonry Surfaces - Porch, Deck, Driveway, Sidewalk Does not change surface appearance - UV Resistant - Will NOT yellow Easy application to 40F with Rainguard Winterizer Battery Operated Spray Kit