How to Soundproof a Room

Whether you're recording music or want to keep out unwanted noise, there are a number of ways to soundproof a room. Here are some simple steps to help you do it yourself.

Instructions

  • TIP: Make sure the floors inside and outside the room are level so the door bottom functions properly.
  • Step 1: Install specialty windows on the inside frame of the room's existing window wells. Then, scream with joy and bang a drum to celebrate your soundproof room. Don't worry -- no one will hear you.
  • FACT: In 2009, a German Shepherd in the United Kingdom set a record for the world's loudest bark at 108 decibels.
  • Step 2: Once you finish with your floor, walls, and ceiling, install a heavy, solid-core door. Add acoustic seals around the edges and an automatic door bottom to block the flow of sound further.
  • Step 3: Cover the ceiling with a layer of plain wooden strips; then screw Sheetrock to the strips. Hang another layer of Sheetrock covered in noise-proofing compound. Fill any gaps with the caulk.
  • Step 4: For the most effective solution, build a self-contained chamber within the existing room. Float a new floor on a layer of polyurethane foam; then, attach new drywall walls stuffed with fiberglass insulation to the floor, and drop a new Sheetrock ceiling. Consult a contractor and an electrician regarding ventilation and wiring.
  • Step 5: Alternatively, soundproof existing surfaces, starting with the floor. Lay open-cell polyurethane foam over the existing floor, and cover it with mass-loaded vinyl. Seal seams with lead-impregnated tape, and cover with carpeting.
  • Step 6: Next, consult a contractor to find out how much of a load your wall and ceilings can handle. If they give the green light, hang a layer of Sheetrock on the walls, covered in noise-proofing compound. Fill any gaps with flexible, non-hardening caulk.
  • : Always wear a breathing mask and work gloves when handling fiberglass insulation.

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