Clear, satin wood finish based on natural oil for wood in outdoor areas. Microporous surface allows the wood to breathe and reduces swelling and shrinkage. Water repellent, will not crack, peel or flake. As top coat on already color treated wood, Osmo UV-Protection Oil Extra prolongs the renovation intervals significantly. As a single product application, it blocks the graying process on vertical surfaces with a UV protection factor 12 in comparison to untreated wood when two coats are applied. Osmo UV-Protection Oil Extra contains active ingredients to protect the coating against mold, algae and fungal attack. Simply apply without sanding. Easy and seamless application. Finish stays workable while coating.