Mass loaded vinyl can additionally be used as a carpet underlayment. It is tough and dense and serves for blocking principally airborne sounds. The full setup is effective against impression and airborne noise. Next, set up insulation material in between the units of joists. Remember to not compress or pack the insulating materials as this may even be negative for the newly mounted joist. The procedure is to install a new joist between every pair of existing ceiling joists.
House
One can create two separate foundations separated by dirt. You then build each wall, floor and ceiling on each separate basis. This is the room inside a room or the Russian doll impact.