The impact sound insulation properties of a floor ceiling structure including the flooring are usually tested by measuring the transmitted sound in a room below while a standard hammer machine bangs on the floor above.
Acoustic floor ceiling insulation.
The idea with insulation is not to fill your ceiling or compress the material but to keep the density low.
The floor surfacing material can help cushion the impact and therefore reduce its effect on the sound transmitted to not only the rooms below but also through the structural floor to adjacent rooms on the same floor.
Sound insulation ceiling clip when it comes to finding acoustic noise reduction roof insulation our insulation ceiling clips allow you to control sounds more specifically preventing them from reaching excessive volumes.
If there are 3 inches of fiberglass insulation then the stc could be 43 and the iic 37.
This material will absorb some of the vibrations but not all.
To check if there is insulation in your ceiling drill or cut a 1 inch hole in the drywall and look inside with a flashlight.
As a high performing insulation clip the isomax ceiling clip can isolate ceilings without compromising space.
If the void between joists and the floor ceiling connection has insulation in it it will reduce the vibration movement.
For insulation you fill the space between the joists with an insulating material.
Acoustic insulation slabs such as rockwool rwa45 acoustic insulation slabs can be installed into the cavities of the ceiling.