Introduction of roof

The roof is part of a building envelope which is the covering on the uppermost part of a building/home. It supported on the walls of the building. It provides for the protection against rain, snow, sunlight, extremes of temperature, and wind. It protects from the weather conditions. Roofing increases the value of the house to unimaginable extents. A roof is much more than just the decorative top of a building. A roof provides protection from the elements and precipitation, helps drain water away from a structure, and provides insulation that helps keep the interior of a building warm or cool, depending on the season. Roofing materials are external layers applied on the roof of a building. These are sometimes self-supporting but are generally supported by underlying structures. The outer layer of a roof varies depending on the availability of material and the nature of the supporting structure. So, the process of building and maintaining the roof is called as roofing.

Types of Roof

  • Flat roof
  • Low-Sloped roof
  • Pitched roof
Different types of roof

Types of roofing based on materials

  • Solar tiles
  • Asphalt shingles
  • Metal roofing
  • Stone-coated steel
  • Slate
  • Rubber slate
  • Clay and concrete tiles 
  • Green roofs
  • Built-up roofing

Advantage of roof:

  • Flat roof – Commercial flat roofs can be significantly more cost-effective to build than pitched roofs or steep slope roofs because they require less material due to the fewer square feet to be covered.
  • Low-Sloped roof – Low-sloped roofs are often found on factories, warehouses, apartment buildings and other industrial buildings. They may first appear to be flat but they have a slight pitch.
  • Pitched roof – The main positive aspect of pitched roofs is that the increased slope provides greater runoff for water and snow.

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