It is called false ceiling, false ceiling, false ceiling plates, ceiling (also ceiling)[1]​ or ceiling is the construction element located at a certain distance from the floor or ceiling "Roof (construction)") itself. It is usually built using prefabricated pieces, generally made of aluminum, steel, PVC or plaster, which are placed superimposed on the slab and at a certain distance, supported by metal fixings or cane and tow. The space included is continuous (plenum) and is used for the passage of installations and pipes, which may include: electrical, telecommunications and air conditioning.

During recent years, aluminum false ceilings have experienced a great boom as they are made of a light, economical, ecological material (aluminum is the most abundant metal in the Earth's crust and its manipulation from ores "Ore (mining)") is substantially cheaper than that of any other metal), safe and aseptic (aluminum is often used in the food industry).

There are several types of false ceiling:

The false ceiling is easily cleaned. In this way, you avoid having to replace it frequently, thus resulting in considerable savings.