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Interior detail drawings illustrate small portions of a space or object at a large scale. They are intended to accurately show materials and finish application. Detail drawings are not always drawn in section and may include an enlarged drawing of the floor plan or elevation. Section details provide information on the location and construction of different parts, the relationships of these parts to the surroundings, and the juncture of materials. Details are referenced from plan, elevation, and section drawings.
Detail drawings show a small part of the construction at a larger scale, to show how the component parts fit together. They are also used to show small surface details, for example decorative elements. Section drawings at large scale are a standard way of showing building construction details, typically showing complex junctions (such as floor to wall junction, window openings, eaves and roof apex) that cannot be clearly shown on a drawing that includes the full height of the building. A full set of construction details needs to show plan details as well as vertical section details. One detail is seldom produced in isolation: a set of details shows the information needed to understand the construction in three dimensions. Typical scales for details are 1/10, 1/5 and full size.
Detail drawings provide information about specific parts of the construction. A detail is both graphic and written information. Details can also be shown by rendering (Figure – 4)An area of construction is drawn at a larger scale in order to clearly show the materials, dimensions, method of building, desired joint or attachment, and so on. Details are most commonly drawn as sections. It is as if a slice is made through a specific area and the inner components are visible.
Some examples of details are:
- Floor transition strips (the material to be used between two different floor materials, such as carpet to vinyl tile)
- Specifics about decorative features on ceilings or columns (shape, joints, moldings)
reveals in walls, ceilings, or between two different finishes
- Glass joints, frames, recessed support channels, etc.
There are many, many types of details. A drawing sheet will often have several details on it. The complexity of the project will determine what areas need to be shown at a larger scale. Details are always drawn to scale.
A typical scale for a detail is three inches is equal to one foot (scale: 3” = 1’-0”). The scale for each detail will vary depending on how much information is required to make the construction clear to the builder. Each detail will be titled with the scale noted below.
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