How Do You Soundproof A Wall Or Ceiling?
• Start with a bare wall with the wood studs exposed. The drywall should not be in place yet. • Gently fill the cavity between the studs with a fiberglass or mineral wool bat insulation such as R13. Use whichever is cheaper, as their acoustic performance is similar. • Seal the back of the outlets in the wall with putty pads, or acoustic sealant because small cracks can let out a great deal of high frequency sound. • Add mass to your wall, because in simple physics mass will block airborne sound waves such as conversation, television noise, ringing phones and alarm clocks. There is a mass loaded vinyl product available though various acoustical companies that weighs one pound per square foot, but is only 1/8″ thick, however standard drywall works also. • Use an acoustical caulk to seal all open joints and perimeter around the wall. • Isolate or float your drywall off of the studs by using resilient channel or sound isolation clips. This will decouple the framing, allowing for better low
