Bartoline Raw Linseed Oil replaces the natural oils that wood loses over time. It is suitable for all wood types and is very water resistant making it ideal for garden furniture. This popular traditional wood treatment has been used for generations and can be applied both internally and externally on unpolished surfaces. Hardwoods such as Oak and Teak should be treated with Bartoline Teak Oil. Perfect for garden furniture, stone floors, terracotta tiling, wooden sports equipment and musical instruments.