Question and Answers. Make sure you have a sturdy subfloor: 3/4-inch CDX plywood is preferred and 3/4-inch OSB is acceptable. Minimum 5/8-inch CDX existing wood floor or tongue-and-groove solid wood subfloor is also acceptable. The floated floor concept will work if the sub floor is completely isolated (detached) from the new floated floor, however, I have to agree with Patsy, that installing a wood floor in a second story unit should be a against the law. Over the last twenty years newer forms have all but replaced the older, more dated sleeper on slab system. If you will be installing the floor yourself, use a set of nail guns to speed up the process. • If your concrete is painted, remove it to make sure adhesive sticks properly. Make sure you have a sturdy subfloor: 3/4-inch CDX plywood is preferred and 3/4-inch OSB is acceptable. Answer: ... Wood Floors In Basement Warping Due To Water Damage. Apply flooring glue of the back of the boards and place them on the steps. Use these step-by-step instructions to install engineered hardwood floors in your home. Engineered wood floors are easy to install and resistant to moisture, making them a great alternative to traditional hardwood floors. Thank you. Get quick tips & tricks & see how easy it can be! To me install Carpet runner over the oak staircase is like putting a … In our region of the country, installing over concrete slabs is something we do every day, no matter what kind of wood floor we're putting down. Installing Hardwood Floors On Concrete. Hardwood Floors Throughout the Second Floor Of House. 2) It cost alot more to put on second floors, you have to cover the entire floor except the bathrooms, whereas on main floor you will olny need to install hardwood in Living,Dinning, and Family room. Tweet on Twitter. Installing Hardwood Flooring Over Concrete. You'll never understand until you live beneath a person who has hardwood floors in their upper unit. 2) It cost alot more to put on second floors, you have to cover the entire floor except the bathrooms, whereas on main floor you will olny need to install hardwood in Living,Dinning, and Family room. If you will be installing the floor yourself, use a set of nail guns to speed up the process. also what would anyone recommend for our stairs? If you plan on using a glue-down engineered wood floor, we recommend making sure the slab has a moisture content of less than 4% throughout the year, and to use an adhesive that is water resistant. It is absolute Hell for the downstairs occupants. Measure the surface of the bottom step with a tape measure. Heres our video on installing a floating wood floor!