Natural beauty goes deep down. Thompson's Waterseal Timber Oil provides premium beauty, premium protection – all in one. This unique formulation nourishes and beautifies exterior wood, including hardwoods with its triple blend of premium oils. The deep penetrating oils protect the wood from water damage, while the coating resists mildew and UV damage. Premium iron oxide pigments offer long-lasting beautiful colors that hold up to heavy foot traffic while minimizing lap marks and color streaking.