Hardwood floors are a popular choice for their charm and beauty. Engineered tongue and groove hardwood flooring offers a structurally sound product that will not warp or show gaps. Different wood species provide varying degrees of “hardness”. Some like pine or birch or more susceptible to scratches and dents. Oak is a good choice for hardness.  To learn more about hardwood floors visit http://www.mannington.com/Residential/Hardwood/About%20Engineered%20Hardwood.aspx