Insulation in a drop ceiling is not very effective.
Suspended ceiling noise insulation.
To combat airborne noise further a second material can be added such as quiet batt soundproofing insulation.
Drop ceilings are designed in such a way that they offer already built in decoupling.
This dense recycled cotton material is installed between ceiling joists eliminating the vibrations of sound between the ceiling construction.
You spray it in really tight says michael hershkowitz president of redonyc who notes that the foam which expands comes in different densities which provide different degrees of sound attenuation or.
Soniguard drop ceiling soundproofing insulation above your ceiling tiles will dramatically improve the sound blocking characteristics of any suspended ceiling.
This installation would proceed as any insulation installation.
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.
However other features such as the presence of ductwork light fixtures and other mechanical systems provide a pathway for sound.
How to soundproof a drop ceiling.
Quiet batt soundproofing insulation not only reduces sound it also insulates.
The best way to insulate a drop ceiling is to install batt insulation between the ceiling joists before installing the hanging grid.