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  2. Viga (architecture) - Wikipedia

    en.wikipedia.org/wiki/Viga_(architecture)

    The porch's roof treatment was the same as in the interior room, but the space provided was used for different purposes. Vigas were usually installed with the smaller ends to one side of the roof to facilitate good drainage. [12] Vigas usually sat directly on the adobe or stone walls and were strapped.

  3. Timber roof truss - Wikipedia

    en.wikipedia.org/wiki/Timber_roof_truss

    Two king post trusses linked to support a roof. Key:1: ridge beam, 2: purlins, 3: common rafters. This is an example of a "double roof" with principal rafters and common rafters. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof.

  4. Timber framing - Wikipedia

    en.wikipedia.org/wiki/Timber_framing

    The jetty beams or joists conform t floor dimensions above, but are at right angles to the jetty-plates that conform to the shorter dimensions of "roof" of the floor below. Jetty beams are mortised at 45° into the sides of the dragon beams. They are the main constituents of the cantilever system, and determine how far the jetty projects.

  5. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Catenary: An arched roof in the form of a catenary curve. Arched roof, bow roof, [11] Gothic, Gothic arch, and ship's bottom roof. Historically also called a compass roof. [12] [13] Circular Bell roof (bell-shaped, ogee, Philibert de l'Orme roof): A bell-shaped roof. Compare with bell-cast eaves. Domed; Onion dome or rather an imperial roof ...

  6. Cruck - Wikipedia

    en.wikipedia.org/wiki/Cruck

    A cruck or crook frame is a curved timber, one of a pair, which support the roof of a building, historically used in England and Wales. This type of timber framing consists of long, generally naturally curved, timber members that lean inwards and form the ridge of the roof. These posts are then generally secured by a horizontal beam which then ...

  7. Purlin - Wikipedia

    en.wikipedia.org/wiki/Purlin

    A view of a roof using common purlin framing. The purlins are marked in red. This view is from the inside of the building, below the roof. The rafters are the beams of wood angled upward from the ground. They meet at the top of the gable at a ridge beam, which has extra bracing to attach it to the rafters.

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