CHARACTER GRADE
Oak floorboards are characterized by knots, more colour variations, natural micro-cracks. Such boards have a contrasting wood pattern with sound (live) knots and larger filled knots that are not limited, there may also be some core boards. The knots emphasize the liveliness of the wood, and the variety of colours reveals the true beauty of the wood.
ORIGINAL GRADE
Oak floorboards are characterized by moderate knots, natural color differences of wood, no sapwood. These oak floorboards have a spectacular wood pattern with an unlimited number of small and larger, healthy knots and a limited number of small and larger filled knots that emphasises the naturalness of the oak wood. These oak floorboards are both expressive and moderate, so they go well with a variety of interior solutions.
SELECT GRADE
Oak floorboards are characterized by small, moderate knots, and natural colour differences of wood. The limited number of small and larger, healthy, and filled knots emphasises the naturalness of the oak wood. No core boards nor sapwood are permitted. These oak floorboards are both expressive and reserved, so they go well with a variety of interior solutions.
PRIME GRADE
Oak floorboards are characterized by low variations in colour, only single, small sound (live) knots are approved in the process of manufacturing. Such floorboards create an image of luxury, they are impressive both in natural oak colours as well as when they are covered with a multi-layer (natural oil) finish.