Oil based product, ready to use, suitable for all wooden surfaces, both indoors and outdoors. It gives water repellency and maintains a pleasantly natural appearance on the surface. Also suitable for immersion. Protects from atmospheric and biological agents and enhances the natural beauty of wood. Colorless or pigmented. It does not undergo exfoliation and does not require sanding. It can be used alone as a periodic surface treatment or as a colored primer before transparent oil finishes(es. Decking Oil HD ).