How to Install Sound Insulation

Some walls are paper thin, transmitting sound freely and inhibiting full privacy. Some walls are thick enough, and it's the dweller who generates a lot of sound, sometimes with materials that can't help it (a drum set, for instance). While sound insulation is generally on a low priority for home remodeling, installing insulation can be fairly easy with the right material. Some rooms must be remodeled entirely, at which point a professional's opinion is necessary.

Sound insulating products such as dB-Block and Green Glue

Instructions

- 1
  Remember that sound is energy. When something resonates, sound waves, traveling in a straight line out from the source, will pass through walls and objects. There are two methods of soundproofing then: making it so the waves bounce off the walls and eventually lose energy or to absorb this energy.
- 2
  Check for any holes made by pipes, ducts, air conditioners or whatever is making a gap in the room. Fill these holes with an adhesive agent that can absorb sound. A good one is Green Glue, which is a visco-elastic adhesive.
- 3
  Absorbing sound in the walls and ceiling can be done with mineral wool insulation or acoustic foam. These work best when there is a reflective surface, such as fiberglass or concrete, behind them.
- 4
  Look into sound barriers if the absorption method is unwanted. Blocking sound really revolves around two factors: density and weight. Now, a barrier sounds like a massive ordeal to install in the walls. However, barriers that reflect sound are also available and are actually rising in technology. One is a sheet of PVC vinyl material designed to reflect sound called dB-Block, which has astounding density for being so thin. This sheet weighs 300 pounds a roll but is only 1/10 inch thick.

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