This large ramp threshold is a practical solution to different height floors, allowing them to seamlessly transition into one another. The ramp is fairly graduated so the drop in flooring is less noticeable. The threshold profile is unfinished, so it will need to be treated with a quality product that protects the oak for years to come. We recommend OSMO oils as the product to use for finishing the threshold. Also available in small ramp and semi ramp variations.