Whether you are aiming to contain sound in a room or block out external noises, soundproofing a room can significantly ...

The World Health Organization suggests sleeping in a room where noise doesn’t exceed 30 decibels, which equates to whisper ...

If you're willing to consider a larger renovation project, adding layers of building material will help soundproof your room. "Mass is one of the main soundproofing principles," says Chung-Sao.