Information on all types of insulation including foam-in, green, attic, and more, as well as advice for keeping your home energy efficient
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Q: I am adding a 2x4 wall in my basement. A bedroom will be on one side
of the wall, and on the other will be a large recreation/den/TV room.
Will 5/8-inch drywall provide substantially more soundproofing than
1/2-inch drywall? If so, how much more? Should I use R13 insulation or
is there something better to help dampen noise?
— Toby, Orcas, WA
Cut rigid foam board, such as Styrofoam insulation, with an electric carving knife. Start the cut with the blade tilted to 45 degrees, then slowly raise the handle until the blade is cutting straight up and down.
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