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Gable roof A form of gable roof (Käsbissendach) on the tower of the church in Hopfen am See, Bavaria. A gable roof [1] is a roof consisting of two sections whose upper horizontal edges meet to form its ridge. The most common roof shape in cold or temperate climates, it is constructed of rafters, roof trusses or purlins.
Compare with bell roof. East Asian hip-and-gable roof; Mokoshi: A Japanese decorative pent roof; Pavilion roof : A low-pitched roof hipped equally on all sides and centered over a square or regular polygonal floor plan. [10] The sloping sides rise to a peak. For steep tower roof variants use Pyramid roof.
A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin. Purlins also appear in steel frame construction. Steel purlins may be painted or greased for protection ...
A gablefront house or gablefront cottage has a gable roof that faces its street or avenue, as in the novel The House of Seven Gables. A-frame: so-called because the steep roofline, reaching to or near the ground, makes the gable ends resemble a capital letter A. Chalet: a gablefront house built into a mountainside with a wide sloping roof
Gable style is also used in the design of fabric structures, with varying degree sloped roofs, dependent on how much snowfall is expected. Sharp gable roofs are a characteristic of the Gothic and classical Greek styles of architecture. [2] The opposite or inverted form of a gable roof is a V-roof or butterfly roof.
Advancing framing techniques for trusses made of dimensional lumber led to the gambrel roof, which was strong and free of heavy timbers. The Shawver truss—introduced in 1904 and invented by John L Shawver of Bellefontaine, Ohio—made of laminated straight boards, became a popular technique for framing gambrel roofs. This design required ...
Tube-frame construction was first used in the DeWitt-Chestnut Apartment Building, designed by Khan and completed in Chicago in 1963. [5] It was used soon after for the John Hancock Center and in the construction of the World Trade Center. A variation on the tube frame is the bundled tube, which uses several interconnected tube frames.
Exterior roof panels are usually a single continuous length from eave to ridge line for gable style buildings or from low eave to high eave on single slope or shed style buildings. Many manufacturers provide minimum 24 gauge (nominal: 0.0239 inch; 0.61 mm) thick sheet steel in self-framing roof designs.