Find out more For the natural oak wood, we have used an eco-sustainable ‘pure wood’ effect finish, which retains the natural character of the wood to the eye and an untreated appearance to the touch. This is a topcoat based on renewable raw materials and certified according to ÖNORM A 1605-12, ÖNORM A 3800-1 and DIN 68861, and class A+ by the French standard DEVL1104875A.