Fiberglass ceiling tiles cannot support the weight of insulation.
Insulation above ceiling tiles.
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.
If you have fiberglass tiles you ll need to replace them before proceeding.
Insulating fiberglass ceiling tiles are the perfect solution for jobs that require a lay in ceiling panel with access above and high r value.
Soniguard drop ceiling soundproofing insulation above your ceiling tiles will dramatically improve the sound blocking characteristics of any suspended ceiling.
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.
2d extend insulation into joist space to reduce air flows.
Rockwool stone wool insulation is an ideal material to be used in interior ceiling floor partitions where sound absorbency and fire resistance is required.