How to Soundproof a Room

Add insulation, acoustical caulk and an extra layer of drywall

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
  • Dust mask
  • Utility knife
  • Tin snips
  • 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
  • Resilient channel
  • Electrical box extenders
  • 1/2” plywood
  • Acoustical caulk or silicone caulk
  • Fiberglass insulation
  • Whisper clips
  • Joint compound
  • Drywall screws
  • Cellulose insulation
  • Acoustical dampening adhesive
  • Door gasket
  • Wood transition strip
  • Door sweep
  • Work gloves