Tikkurila Supi Saunasuoja Sauna Finish (0.9 Liter) is a high-performance finish designed for surface treatment in humid interior spaces, such as saunas. This product forms a dirt- and water-repellent coating, ensuring long-lasting protection of treated surfaces. It also contains an anti-mold agent that helps prevent the growth of mold and mildew, making it ideal for maintaining a clean and healthy environment. Suitable for wooden, wood fiberboard, and concrete surfaces, this finish is not recommended for use on sauna benches.