This means that you would have to pull the carpet, install underlayment and re-install the carpet on top of it. There is not a finish flooring that can be put down on top of your carpet that will help this situation – I’m sorry. Noise problems within shared wall/floor situations ...
The choice in underlayment for your flooring will usually depend on the subfloor that currently exists in your space. Common underlayment materials are foam, felt, cork, particleboard, plywood, and oriented strand board (OSB). You will not need to buy an underlayment in most cases, as most...