... Various grades. Oak Flooring, Oak Wood Flooring, Solid Oak Wood Flooring, Grey Oak Wood Flooring:Flooring:ConstructionSolid Flooring Size (mm ... , Tigerwood, Cumaru, Curupay, Ipe, Lapacho, Santos Mahogany, Guatambu, Iroko; Chinese teak, Burma teak, Kempas, Merbau; American walnut; Wenge, ... variation. Hardness Scale The density/hardness of the wood species and its ability to withstand foot traffic, ...