Sound Insulation Above Drop Ceiling
Basic insulation between the ceiling joists is a common way to soundproof a ceiling.
Sound insulation above drop ceiling. However other features such as the presence of ductwork light fixtures and other mechanical systems provide a pathway for sound. Soundproofing a ceiling involves preventing the transmission of sound wave vibrations from the underside of the ceiling to the floor above it and vice versa. If your ceiling is cement a thin layer of sound attenuating rubber can be added to the ceiling followed by sheetrock with a drop ceiling then installed over that. If you are tired of noise coming down through your ceiling or up through the floor from the basement below and you ve already got a suspended ceiling or can install one soniguard.
Acoustical ceiling batts are available unfaced and kraft faced without stapling tabs for installation on suspended ceilings. Finally the resulting space can be filled with foam insulation. By their very design drop ceilings. Fiberglass is a great option for this.
The national electrical code prohibits installation of any insulation over or within 3 76 mm of recessed light fixtures unless approved insulated ceiling ic lighting fixtures are used. If you are seeking to add insulation to a suspended ceiling that is already in place however you will have to rest the batt insulation on top of. The space between the drop ceiling and the floor above can be further insulated by filling it with a sound absorbing material. Rockwool stone wool insulation is an ideal material to be used in interior ceiling floor partitions where sound absorbency and fire resistance is required.
Drop ceilings are designed in such a way that they offer already built in decoupling. The best way to insulate a drop ceiling is to install batt insulation between the ceiling joists before installing the hanging grid. Insulation in a drop ceiling is not very effective. This installation would proceed as any insulation installation.
Interior wood framed ceiling insulation. Even though a drop ceiling puts space between the floor above it and itself it can still transmit vibrations from above.