General description Osmo Decking Oil in Douglas Fir is designed to enhance the natural beauty of wooden decking while providing robust protection. This oil penetrates deeply into the wood, ensuring that the natural wood character remains visible. It is safe for humans, animals, and plants once dry, and offers high resistance to water and dirt, making it an ideal choice for outdoor applications. Technical specifications Volume: 2.5 Litre Dry time: 12 hours Coverage: 24 m²/L with one coat Recommended coats: 2 coats or one coat plus top coat of Osmo Anti-Slip Decking Oil 430 Moisture content max: 20% Surface preparation Bare wood species with high natural extractives need to weather for a minimum of 4 weeks before treatment. Resinous woods like Larch or Douglas Fir require at least 6 weeks of weathering. Pressure impregnated wood and tropical species need to weather for at least 3 months. Cedar requires a 3-month weathering period. Greyed and weathered wood can be refreshed with Osmo