Osmo 425 UV Protection Oil Wood Preservative, 2.5ltr, Oak Oil

The Osmo 425 UV Protection Oil in Oak delivers exceptional outdoor wood protection engineered to preserve natural timber aesthetics in demanding exterior conditions. Formulated to reduce the greying process by up to 12 times, this 2.5-litre treatment is optimised for vertical timber surfaces. The microporous oil-based formulation allows wood to breathe while providing robust resistance to water, dirt, algae, mildew and fungal growth. This natural finish forms a durable protective layer that won't crack, flake, peel or blister, supporting moisture regulation to minimise swelling and shrinkage. The 18m² per litre coverage and 12-hour drying time ensure efficient application, while the maintenance-friendly formula requires no sanding for reapplication. Ideal for windows, doors, fencing and cladding demanding long-lasting UV protection. Features & Benefits: Natural oil-based microporous finish enabling timber to breathe while resisting water and dirt. Reduces wood greying by up to 12 times