Hardwood floors are a favorite for many people. They look great, they’re easy to clean and they last a long time. But one downside is that they are very likely to carry sound. Unlike carpet that absorbs sound, hardwood reflects sound forcing it to vibrate through your neighbors’ apartments. It can also be squeaky which adds to the disturbance factor. And if anything falls on the floor…forget about it! If you are looking to soundproof your hardwood floor, PROFLEX 90 is the way to go. This product goes under hardwood, stone, and tile and it has a self-bonding sound reduction membrane with an STC of 72. It fills cracks to prevent sound from seeping through and it has an easy-peel application. It is great for reducing footsteps and airborne noise. It is the ideal solution for soundproofing hardwood floors condo.