An interior elevation is a vertically projected surface inside a building. It provides complimentary information of vertical elements that a plan view cannot describe such as
heights of interior elements; vertical materials; and other important vertical information that cannot be shown in other drawings. It is a vertical surface or plane seen perpendicular to the viewer’s picture plane. Separate elevation drawings are required for all different walls since elevations drawn looking perpendicular to one side of the building will distort inclined walls of the other side of the building, when a floor plan or object has an irregular shape. If an entire building elevation is needed for an irregularly shaped building or object, a distortion on an elevation drawing is necessary. Typical interior elevations show vertical locations of doors, windows, and other openings; profiles of objects; connection to the floor, ceiling, and adjacent objects; material information; and vertical dimensions. Interior elevations will show the inside walls of a space. Exterior elevations will show the outside walls of a building. (Figure – 4)
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