15 years guarantee Underflooring heating 100% Natural Real Hardwood UV lacquer, Aluminum Oxide E0, E1 grade Black Walnut Engineered Hardwood Flooring Species: Oak, Elm, Merbau, Teak, Cumara, Maple, Birch, Okan, etc. Dimension: 910*125*12/15/18mm or as request Top Layer Thickness: 0.6-4mmGrade: AB, ABC, CD, etc.Core Layer: Hardwood plywood, HDF, etc.Bottom Layer: Beech, Cork, etc.Joint: T&G with ...