Rust-Oleum Specialty Polyurethane Spray seals and protects interior wood surfaces while providing a beautiful and durable finish. Its smooth appearance will allow the natural wood grain to show through. It protects against scuff marks, abrasion, chipping, water, alcohol, and chemicals. Polyurethane sprays are ideal for furniture, cabinets, doors, moldings, shutters, tabletops, banisters, and wicker. These sprays can also be used on metals such as doorknobs, hinges, and handles and are not recommended for linoleum, vinyl, or glazed tile. It may have an ambering effect on light-colored surfaces.