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Sound Proofing over Drywall

Victor43's Avatar

Join Date: May 2012
Posts: 164

08-20-16, 08:56 PM   #1  
Sound Proofing over Drywall

Hello firstly is it possible to lay sound proofing material over drywall ? Secondly what type of sound proofing will work best in order to prevent the sounds of a dryer which has say several clothing items which have metal zippers from passing through the walls and ceilings and into adjoining rooms ?

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joecaption's Avatar

Join Date: Jan 2011
Posts: 3,967

08-20-16, 09:04 PM   #2  
Going to be a whole lot of money and time to fix this one minor inconvenience.
To do it right all the drywall and baseboard would need to come off, insulation added in the wall, Two layers of 5/8 drywall added to be effective.

chandler's Avatar
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Join Date: Dec 2005
Posts: 39,968

08-21-16, 03:23 AM   #3  
Basically, nothing you can add to the sheetrock, including doubling the sheetrock will "soundproof" the room. The walls and ceiling will need to be decoupled from the framing and the units sat upon vibration pads to keep sound from vibrating through. Removing the sheetrock and insulating the walls with Roxul may help keep the transmission down, but you will have contact sound that will transmit via the solid connection between the sheetrock and studs into the other rooms. Sound proofing is very difficult. Sound deadening is possible.

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