you need to take down the old drywall, and remove the old insulation if there was any. You only need to do this to theroom you are trying to isolate. If you are finishing a basement, or have new construction, your walls likely already have open stud frames...
Light Hoods are installed above a ceiling grid over light fixtures. This helps to reduce the sound transmission while still allowing the required air flow for the light fixture. Read More Articles on Blocking Sound. To learn more about how Acoustical Solutions can solve your noise control problems...
Floors and ceilings can be soundproofed as well. Carpet can be installed over carpet padding on floors. Special sound-reducing mats also can be laid under the carpeting. A ceiling can be soundproofed by adding a drop ceiling, which is sometimes called a false ceiling or suspended ceiling. Th...