Types of Roofs

Roof is the upper most portion of the building which protects the building from, wind, rain, sun and natural hazardous. Different types of roofs used may be divided into three types broadly:

  I.            Flat roofs     

  II.           Pitched roofs

  III.          Shells and folded plates.

In plains where rainfall is less and climate is moderate Flat roofs are used. Wherever rainfall is more pitched roofs are preferred. To cover large column free areas required for auditoriums, factories etc, shells and folded plate roofs are used.