Batt Insulations, are they a sound investment in Soundproofing?

“Which batt type insulation will give me the best soundproofing?” I hear this question a lot, or better still, “Do I need to add more soundproofing if I already have insulation in the walls and ceilings?” Keep in mind that any batt type insulation, though it may be a great thermal insulator, is generally not very good as a soundproofing agent. If batt insulations such as fiberglass insulation or Icynene were effective soundproofing products, the big boys like Johns Manville ™ and Owens Corning ™ would take over the soundproofing industry and leave the real professionals out in the cold. Luckily knowledge is still power and it will be a while before all the soundproofing companies are put out of business.



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