This is a reply from a guy who installed a floor from a guy who helped us install hardwood floor in our previous house. He did a good job for us but he is not living in the city we are now, so we cannot ask him to install. What do you think? [ There are 3 types of wood flooring; solid natural wood (like your house in Columbus), engineered wood ( which is manufactured product) and finally, laminate (aka floating floor). If you buy an engineered product and install over wood, i would highly recommend using fasteners (cleats or staples depending on thickness). Gluing is more expansive and more difficult to install. The only time i would glue it is if you install over concrete (not your case). If you want to verify info, read manufacturer's installation procedures. Dont trust anyone except manufacturer. A nailed down floor is ALWAYS superior than floating floor no matter what. The best advice is for you to do your own research and ask contractor to do it your way and if refuses, call someone else. Good luck ]