Osmo Natural oil woodstain

A decorative, oil-based protective finish for all exterior use. The microporous, breathable finish allows the wood to breath and reduces the risk of swelling and shrinkage. Water repellent and extremely weather and UV resistant. Contains active ingredients to slow growth of mildew, algae and fungal. Proven finish over decades in all kinds of climatic conditions – does not crack, flake, peel or blister.