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How to Soundproof a Room

Cut down on the noise coming into—or going out of—your living area with these proven sound-dampening materials and techniques.

By the DIY experts of The Family Handyman Magazine

Soundproofing walls

So you've installed a cool home theater and now everyone in the house is complaining that they can't sleep because the sound invades their bedroom. If it's a choice between getting rid of the home theater, turning it down to inaudible levels or installing soundproofing, we know what your next project will be. We talked to the pros at Trademark Soundproofing (tmsoundproofing.com) and got the skinny on how to do the job the right way. Here are their tips for the two most common residential scenarios: where you already have a wall in place, and where you plan to add a new soundproof wall.

For more information and to buy dampening adhesive and acoustical caulk, check online or visit tmsoundproofing.com.

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Caulk gun
    • Screw gun
    • Utility knife
    • Taping knife

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

    • 5/8-in. drywall
    • Cellulose insulation
    • Acoustical dampening adhesive
    • Acoustical caulk
    • Fiberglass insulation
    • Whisper clips
    • Joint compound
    • Drywall screws

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