PIERRA Floor Tiles are exact replicas of ancient tiled floorings manufactured from highly resistant silicous clay, including three different desins of ancient terracotta tiled floors : PIERRA Floor Tiles "TRADITION" look like ancient hand-made terracotta or quarry floorings PIERRA Floor Tiles "PERIGORD" have a genuine rustic appearance re-creating original flooring designs from the 17th and 18th century with partition laths looking like made from old oak, but manufactured from the same material as the fllor tiles PIERRA Floor Tiles "CHATELAINE" perfectly imitate the natural stone structure and their originality lies in an assembly method that has been worked out especially for this line.