Fiberglass ceiling tiles cannot support the weight of insulation.
Insulation above ceiling tiles.
2d extend insulation into joist space to reduce air flows.
Soniguard drop ceiling soundproofing insulation above your ceiling tiles will dramatically improve the sound blocking characteristics of any suspended ceiling.
Insulating fiberglass ceiling tiles are the perfect solution for jobs that require a lay in ceiling panel with access above and high r value.
Adding insulation to a dropped ceiling is a straightforward process but because the ceiling grid is somewhat hampering use 4 foot insulation batts instead of longer rolled batting.
They are made from a rigid 3 thick fiberglass with a thin vinyl laminated to the face providing a stellar nrc value for noise absorption in the room and a fantastic r value for insulation and noise blocking.
Ensure that your ceiling tiles can support the weight of the insulation.
In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.