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It minimizes floor-to-floor heights when there is no requirement for a deep false ceiling.Flat slabs are generally used in parking decks, commercial buildings, hotels or places where beam projections are not desired.This kind of slabs are provided in the parking.Larger headroom or shorter storey height & pleasing appearance.Easy constructability with the economy in the formwork.To provide plain ceiling surface giving better diffusion of light.The thickness of the Flat slab is minimum 8″ or 0.2m. The flat slab is easier to construct and requires less formwork. This is one of the types of concrete slabs. The plain ceiling diffuses the light better and is considered less vulnerable in the case of fire than the traditional beam slab construction. I n this type of construction, a plain ceiling is obtained thus giving an attractive appearance from an architectural point of view. Loads are directly transferred to columns. Flat slab doesn’t have beams so it is also called a beam-less slab. The flat slab is a reinforced concrete slab supported directly by concrete columns or caps. Disadvantages of Pitched roof type of Slab:.Advantages of Pitched roof type of Slab:.Where to use Waffle Slab & Waffle slab details:.Hardy slabs are further classified into two types:.The process of hardy blocks execution is as follows:.Hollow core ribbed Slab or Hollow core slab:.There are four different types of concrete Flat Slabs:.Different Types of concrete slabs in construction:.