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A soffit is an exterior architectural feature, generally the horizontal, aloft underside of the roof edge. Its archetypal form, sometimes incorporating or implying the projection of rafters or trusses over the exterior of supporting walls, is the underside of eaves (to connect a supporting wall to projecting edge(s) of the roof).
Its function is similar to that of overhangs or eaves; it adorns and protects entrances, arches, and windows from the outside elements, and provides shade from radiation. [2] Chhajjas also aid in the facade-making in Rajasthani architecture. [2] Some styles of roof can be considered large chhajja as well. [1]
Overhangs on two sides of Pennsylvania Dutch barns protect doors, windows, and other lower-level structures. Overhangs on all four sides of barns and larger, older farmhouses are common in Swiss architecture. An overhanging eave is the edge of a roof, protruding outwards from the side of the building, generally to provide weather protection.
Eaves overhang, shown here with a bracket system of modillions. The eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The eaves form an overhang to throw water clear of the walls and may be highly decorated as part of an architectural style, such as the Chinese dougong ...
Overhanging eaves forming shelter around the building are a consequence where the gable wall is in line with the other walls of the buildings; i.e., unless the upper gable is recessed. Saltbox, catslide: A gable roof with one side longer than the other, and thus closer to the ground unless the pitch on one side is altered.
Cornice of Maison Carrée (Nîmes, France), a Roman temple in the Corinthian order, with dentils nearest the wall.. In Ancient Greek architecture and its successors using the classical orders in the tradition of classical architecture, the cornice is the topmost element of the entablature, which consists (from top to bottom) of the cornice, the frieze, and the architrave.
Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams".
In Mediterranean climates with lower snow loads high roof pitches and their greater consumption of materials and labor are unnecessary. Simple gable roofs are also problematic, as the lower low eaves made possible by a shallow pitched hip roof provide the opportunity for both shade and rain protection in the form of an overhang or latticed ...