The easiest strategy is to add a second layer of drywall to build up a thick sound deadening barrier.
Best sound dampening material for walls.
So when sound reaches one of the layers of drywall it causes the panels to vibrate against the damping compound which then converts the vibrations into heat.
Acoustic foam this material commonly called studio foam has a distinctive wedge or pyramid shape that is highly effective at absorbing sound.
Sound damping materials are the most effective when they re between two hard surfaces.
Deadening those vibrations is best done with heavy dense materials that stop noise in its tracks.
They attach to walls as panels hang from ceilings as baffles or sit in corners as bass traps.
Sound damping materials are more effective when placed between two surfaces that are hard.
When purchasing vehicle sound deadening you re looking for a good thickness of 100 butyl rubber a very sticky adhesive and a sturdy foil constraint layer.
The two surfaces usually drywall or plywood are then attached to each other.
This is one of the best soundproofing materials for walls you can purchase if you are relying on the principle of sound damping.
Sound insulation sound insulation are batts made of mineral wool rock wool and fiberglass designed to fit in between the studs of walls.
When it comes to heavy brick and stone are great but impractical for retrofitting your interior walls.