Can you completely soundproof a room?

Can you completely soundproof a room?

Yes, a room can be made fully soundproof but it usually means hung walls and suspended floor and ceiling. All of this creates dead air around the room, which stops sound waves from passing in or out of the space.

How much does it cost to make a room soundproof?

The cost to soundproof one room generally includes $170 to $250 for new materials, $190 to $300 for professional labor and $20 to $36 in tools needed to complete the job, though the prices will be higher for larger rooms and more complicated projects.