Sound Deadening Underlayment For Hardwood Floors. Acoustic underlayments are very dense materials designed to deaden sound vibrations. Yes, you can install a laminate floor system over existing hardwood floors.
The underlayment is easy to install and requires only a few tools and. It also helps to deaden any sound produced. The underlayment also deadens noise, so your floors don't sound 'hollow' or make a crackling sound (breaking seams!) when you walk on it.
The underlay that i recommend is the roberts this can be used for hardwood, laminate, bamboo, concrete, etc.
It may not be sexy, but it is essential! You may also want to check into flooring with attached cushioning. Easy to cut, easy to lay ideal thickness for comfort and stability. 2x3 ft sound reduction 12mm cork underlayment for ceramic tile floor.