It may be defined as the uppermost part of the building, provided as a structural covering, to protect the building from weather.
Structurally, a roof is constructed in the same way as an upper floor, though the shape of its upper surface may be different.
Roof consists of structural elements which support roof is roof covering.
The roof coverings may be A.C. sheets, G.I. sheets, wooden shingles, tiles, slab itself.
Requirements of a Roof:
It should be durable against the adverse effects of various agencies such as wind, rain, sun etc.
It should grant the desirable insulation against sound and heat.
It should be structurally stable and sound, it should be capable of taking the loads likely to come over it.
It should be well-drained.
It should have efficient water-proofing arrangement.
Types of Roof:
- Pitched or Sloping Roofs
- Flat Roofs or terraced Roofs
- Curved Roof