Rockwool stone wool insulation is an ideal material to be used in interior ceiling floor partitions where sound absorbency and fire resistance is required.
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.
2d extend insulation into joist space to reduce air flows.
Although batt insulation is fairly lightweight it can put an undue amount of stress on flimsy drop ceiling tiles and break them.
Ensure that your ceiling tiles can support the weight of the insulation.
Soniguard drop ceiling soundproofing insulation above your ceiling tiles will dramatically improve the sound blocking characteristics of any suspended ceiling.
Fiberglass ceiling tiles cannot support the weight of insulation.
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.