... wood flooring ,3 layers, 2 layers heating floor,multi-layer, oak ,walnut, teak, jatoba,maple,hickory... Engineered wood flooring 1 three layer engineered wood flooring, species: oak ... unfinished or pre-finished with lacquer or natural oiled finish type: smooth surface, handscraped, distressed, smoked, carbonized 2 multi-layer engineered wood flooring ... , species: oak, maple ...