Soundproofing drywall can be installed over the existing drywall. While this method can help a bit, it won’t be as effective as spray foam insulation, Bennett explains.

A: Soundproofing a wall requires building a separate wall a few inches from the existing wall. Expensive but probably the best way to soundproof that wall. Reduce the flow of sound this way, and less ...

The walls are framed with 2x6s, filled with fiberglass insulation, and the interior is just 1/2-inch drywall. It’s proof positive that stopping air leaks is the first step to stopping exterior ...

In an existing home, there is a limit to the amount of retrofit soundproofing you can do. If you have older, single paned windows, you probably can hear the birds chirping, or the next-door ...

Dear Patrick: The basic methods to soundproof an existing wall (room-to-room or outdoors) are similar to new wall construction. They are often more effective on an existing wall because the extra ...

The following companies make special soundproofing materials and packages: Knauf Fiberglass, (800) 825-4434 - QuietTherm; Johns Manville, (800) 654-3103 - ComfortTherm; and Owens Corning, (800 ...

Q: My bedroom and my neighbor's living room share a common wall with no insulation. I can hear conversations, TV and music. For the most part, they are quiet, but they are going to sell later this ...