Usually transparent glass is not used as ceiling as it contradicts the very idea of  false ceiling- to hide from viewer’s eye

Thus glass used in ceiling are treatment glass such as frost glass, back painted , stained glass , mirror etc.

• Advantages:-

• Creates the illusion of depth, it makes the room visually higher.
• Resist moisture and temperature fluctuations .
• Suspended glass ceiling with stained-glass panels can be decorated with the image , ink jet or sticker on the top of transparent glass.

• Disadvantages:-

• Hard and brittle to cut .
• Suspended glass ceilings are quite heavy compared to other ceiling materials
• Most dangerous if glass tile breaks during work
• Not advisable in earthquake prone areas . Its not easy to maintain

Method of fixing the glass ceiling :

• Step 1:- Fixing the framework directly to the beams or plaster ceiling.
• Step 2:- Fixing suspended framework to a plastered ceiling.
• Step 3:- Fixing vertical struts to support
• Step 4:- Fix a play on that frame structure.

Uses

• To get a natural lights all day.
• In some country to get a heat of sun light glass ceiling also helpful