Double layer of drywall help?

Old 11-03-13, 11:02 AM
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Double layer of drywall help?

I moved into a home recently that backs up to a traveled road. The previous owners added an addition (bedroom & family room) - 1/2in drywall and R13 insulation. The road noise coming in is annoying. Would adding a layer of 5/8in drywall over the existing wall cut down on the noise? If not, what would?
Old 11-03-13, 11:09 AM
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There is a product called Quietrock available. I don't know too much about it but I've seen it in use and it does help. I left you a link to the product.

Maybe others have more to offer on this subject.

Old 11-03-13, 05:12 PM
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They may have used just fiberglass batts instead of a product like Roxul which would have been far more effective.
Here's some suggestion on how to sound proof a wall.
How to Soundproof a Wall - Soundproof Products and Materials for Walls
Cheap builders grade or old single windows, no insulation around the window frames and doors can also effect the sound transmission.

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