The basis for the production of wood is oak. All around the tongue and groove, filled knots, optically distressed as approx. 200 years ago. The longitudinal edges with a slight beveledge. Chapel reflects the original look of old floors in the old palaces, castles, etc., tongue and groove is the further manual processing to ensure optimum accuracy of fit. Surface treatement to achieve diff erent colors. Exploitation of natural tannic acids and minerals, timber and converted by ammonia, leaching, etc. The color of the floor during the first 3-6 months about 30% brighter and unite, the optical appearance becomes calmer.