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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 ).
The finished surface below the fascia and rafters is called the soffit or eave. In classical architecture, the fascia is the plain, wide band (or bands) that make up the architrave section of the entablature, directly above the columns. The guttae or drip edge was mounted on the fascia in the Doric order, below the triglyph
A knee wall is a short wall, typically under three feet (one metre) in height, used to support the rafters in timber roof construction. In his book A Visual Dictionary of Architecture , Francis D. K. Ching defines a knee wall as "a short wall supporting rafters at some intermediate position along their length."
In this example the lookouts are covered when the soffit is finished, as can be seen on the right hand side of the image. A lookout , [ 1 ] lookout rafter or roof outlooker [ 2 ] is a wooden joist that extends in cantilever out from the exterior wall (or wall plate) of a building, supporting the roof sheathing and providing a nailing surface ...
Historically, multiple approaches were suggested to address the reflection of the structure in the appearance of the architectural form. In the 19th-century Germany, Karl Friedrich Schinkel suggested that the structural elements shall remain visible in the forms to create a satisfying feeling of strength and security, [3] while Karl Bötticher as part of his "tectonics" suggested splitting the ...
Common interior applications include lobby walls, soffits, column facings, and interior walls of elevator cabs. Copper cladding can be cut, routed, sawed, filed, drilled, screwed, welded, and curved to form complex shapes. A variety of finishes and colors are available. Flat, circular, and unusually shaped walls can be covered with copper cladding.
Soffit Any architectural element's underside, especially the board connecting the walls of a structure to the fascia or the end of the roof, enclosing the eave. Sommer or Summer A girder or main "summer beam" of a floor: if supported on two storey posts and open below, also called a "bress" or "breast-summer".
A curtain wall is an exterior covering of a building in which the outer walls are non-structural, instead serving to protect the interior of the building from the elements. Because the curtain wall façade carries no structural load beyond its own dead load weight, it can be made of lightweight materials.