The ceiling which is used mainly below the ceiling to cover up the electrical wiring and Fire fitting tube and thermal insulation for heat conduction between the building and outside, it also enhance acoustic of building

It is mainly 3  types (1) seamless & (2) Grid (3) Baffle

• Seamless ceiling: This types of ceiling permanent false ceiling & material are calcium silicate, gypsum. It is used where the maintain ace is less, because it can’t be open & close possible   except dismantle, It could be   also used as design where different level of ceiling in single floor level.
• Grid: These types of ceiling are temporary used where maintained are rapid, because it mainly laying up on the grid & open close possible without dismantle. There are different types of material is used such as gypsum, calcium silicate, metal both aluminium and MS colour coated. It is also be perforated or non-perforated,
• Baffle: It is mainly used design purpose Baffle ceilings are ideal for creating atmosphere within a room space. These open ceiling constructions allow a view to the plenum area and concrete ceiling above. They are particularly suited for remedial installation on concrete ceilings where a distinctive design or improvement to the acoustic sound is required.