General description Osmo Natural Oil Woodstain in Basalt Grey offers innovative and durable protection for exterior wood surfaces. This product serves as both a base and top coat, providing a fast-drying finish that allows the natural wood grain to remain visible. It is extremely weather and UV resistant, as well as highly water and dirt resistant. The woodstain is also resistant to algae, mould, mildew, and fungal attacks, helping to reduce wood swelling and shrinkage. Its microporous, breathable finish does not crack, peel, or flake, and no sanding is necessary for future applications. Technical specifications Volume: 2.5 Litre Coverage: 26 m²/L with one coat Drying time: First coat: 4-6 hours; Second coat: 12 hours Moisture content of wood: max. 20% Application Recommended tools: Osmo Flat Brush or Microfibre Roller Method of application: Apply thinly along the wood grain and spread well Surface preparation: Ensure wood surface is clean, dry, and frost-free For best results, apply