If you are wanting the best sound absorbing pad, whether you are laying laminate, hardwood or any other floor, this is what you need. It does not have a moisture barrier, but a plastic can be installed under it if a moisture barrier is needed. This is what many companies use in condominiums and apartments to keep noise from transferring from floor to floor and is your best choice if that would be an issue in your home or office.
400 square feet per roll but will cut the amount you need