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    Basic Components of a New Roof

    If you need a new roof, it is helpful to know the basic components.
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    A new roof consists not just of the type of roof covering you choose, but the entire structure. There are many different styles of new roofing, and is largely dependent on local climate and the preferred style of your region.

    The basic components of a new roof can be separated into two categories: the supporting structure, and the outer weatherproof layer.

    New Roofing Components: Supporting Structure

    Ridge Board 

    The horizontal beam at the top of a roof, to which the upper ends of the rafters are attached. It forms the apex of a roof's triangle.

    Rafters

    Rafters are sloped beams that run from the ridge board to the eaves. They support the roof deck and all outer materials, and resist the downward force of gravity.

    Ceiling Joists 

    Ceiling joists run parallel to the ridge board, across the rafters. They act as ties for the rafters, protecting against the outward thrust caused by the weight of all materials.

    Eave 

    An eave is the lower edge of a roof. Eaves normally project past the walls of the building, in order to keep water away from the walls.

    Deck or Sheathing

    Flat panels laid in on top of the beams, providing a platform for the outer layer to be attached

    Roof RaftersIf you need a new roof, it is helpful to be familiar with the basic components of new roofing. | @ iStockphoto.com / Photoclicks

    New Roofing Components: Outer Weatherproof Layer

    Covering

    The waterproof and insulating layer laid on top of the roof deck. It can be made of many materials such as asphalt shingles, metal panels, and slate or clay tiles.

    Flashing

    Flashing refers to thin pieces of a waterproof material (usually metal) installed in the joints of a roof (for example, around a chimney)

    Fascia 

    The horizontal band that caps the edges of rafters. Usually made of wood or metal, it is visible from the ground. The gutters are normally attached to the fascia.

    Gutter

    A narrow channel attached to the edge of a roof, in order to collect and divert rainwater away from a buildings foundation. 

    Abstract Components of a New Roof

    Beyond the physical structure, there are many other topics to become familiar with if you need a new roof. Read up on how much new roofing costs, how to buy a new roof and how to obtain quotes for a new roof. 

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    Written by: Moe Berrigan, Editor www.HomeAdvancement.com