An engineered hardwood floor is comprised of several layers; the top layer Is real hardwood, which means the floor you stand on Is the same genuine hardwood you always dreamed of owning. With the help of the remaining layers which have been specially designed for maximum practicality, therefore, engineered hardwood has several advantages over the solid hardwood flooring. Because the other layer In an engineered hardwood floor made of plywood or high-density fiberboard, the engineered hardwood resists the tendency of solid hardwood to expand and contract with changes In humidity and temperature. Also, some engineered wood floors with thicker top layers can be sanded many times. The top layer is what gives the engineered floor It’s looks, this Is a real hardwood layer which can vary up to 6 mm. The middle section is what gives the floor Its stability and strength. The bottom balancing layer will usually be made from wood.