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  2. Flat roof - Wikipedia

    en.wikipedia.org/wiki/Flat_roof

    Flat roof in Los Angeles. Flat roof in Warszawa Centralna railway station in Poland (1975) A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°. [1] Flat roofs are an ancient form mostly used in arid climates and ...

  3. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an obtuse angle. Karahafu: A type of gable found in some traditional Japanese buildings. Hidden roof: A type of Japanese roof construction.

  4. Double tee - Wikipedia

    en.wikipedia.org/wiki/Double_tee

    Double-tee roof structure of an indoor swimming pool. In non-residential buildings, the roof structure may be flat. Structural concrete is an alternative for flat roof construction. There are three main categories for such method: precast/prestressed, cast-in-place and shell. Within the precast/prestressed concrete roofing, the double tees are ...

  5. Q3A Panel house - Wikipedia

    en.wikipedia.org/wiki/Q3A_Panel_house

    Q3A. Basic principle: light concrete construction utilising pre-fabricated blocks. Mass of the prefabricated parts: Maximum of 0.8 metric tons. Distance between the inner transverse walls: 2.40 m and 3.60 m. Building depth: 10.0 m. Roof shape: flat, sloping cold-roof with bituminous roofing membranes. Balcony arrangement: if present, in pairs ...

  6. Domestic roof construction - Wikipedia

    en.wikipedia.org/wiki/Domestic_roof_construction

    Ctrs. means centers, a typical line to which carpenters layout framing. Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. [1] Such roofs are built with mostly timber, take a number of different shapes, and are covered with a variety of materials.

  7. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    Roof pitch is the steepness of a roof expressed as a ratio of inch (es) rise per horizontal foot (or their metric equivalent), or as the angle in degrees its surface deviates from the horizontal. A flat roof has a pitch of zero in either instance; all other roofs are pitched. A roof that rises 3 inches per foot, for example, would be described ...

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    mail.aol.com

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  9. Roof tiles - Wikipedia

    en.wikipedia.org/wiki/Roof_tiles

    The tegula is a flat tile laid against the surface of the roof, while the imbrex is a semi-cylindrical tile laid over the joints between tegulae. In early designs tegula were perfectly flat, however over time they were designed to have ridges along their edges to channel water away from the gaps between tiles.