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A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air.Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame [1] in the opening; the sash and frame are also referred to as a window. [2]
The technical aspects of the windows at Reims clearly fascinated Villard de Honnecourt, who visited the construction site, probably in the 1220s, and made a detailed sketch of the various templates, using a key to show how they fitted into the different parts of the window (the templates are in the lower half of folio 32 recto; the symbols ...
A window sill in the most general sense is a horizontal structural element below a window opening or window unit in masonry construction or framed construction and is regarded as part of the window frame. The bottom of a window frame sits on top of the window sill of the wall opening. [1]
A mullioned window in the church of San Francesco of Lodi, Lombardy. A mullion is a vertical element that forms a division between units of a window or screen, or is used decoratively. [1] It is also often used as a division between double doors. When dividing adjacent window units
A window of one or more storeys projecting from the face of a building. Canted: with a straight front and angled sides. Bow window: curved. Oriel: rests on corbels or brackets and starts above ground level; also the bay window at the dais end of a medieval great hall. Belfry A chamber or stage in a tower where bells are hung.
Insulating glass (IG) consists of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass is commonly known as double glazing or a double-paned window , triple glazing or a triple-paned window, or quadruple glazing or a quadruple-paned window, depending ...
A fanlight is a form of lunette window, often semicircular or semi-elliptical in shape, with glazing bars or tracery sets radiating out like an open fan. [1] It is placed over another window or a doorway, [2] [3] and is sometimes hinged to a transom. The bars in the fixed glazed window spread out in the manner of a sunburst.
Glazing, which derives from the Middle English for 'glass', is a part of a wall or window, made of glass. [ 1 ] [ 2 ] Glazing also describes the work done by a professional " glazier ". Glazing is also less commonly used to describe the insertion of ophthalmic lenses into an eyeglass frame.