By brushing the Walnut, we make its surface denser and harder. The unique organic olivegrey-brown patina makes this a sophisticated piece of art. Sealed with several layers of matte gives this floor a protection that can easily be kept up with our maintenance oil and oilsoap. This finish works well on long, wide planks in random widths, but also stunning on Chevrons. Some occasional knots and cracks, if preferred, will come out beautifully.