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Soffit describes the underside of any construction element.
Examples of soffits include:
- the underside of an arch or architrave
- the underside of a flight of stairs
- the underside of a ceiling to fill the space above the kitchen cabinets
- the exposed undersurface of any exterior overhanging section of a roof eave.
Commonly used a soffit most often refers to the material forming a ceiling from the top of an exterior house wall to the outer edge of the roof, i.e., bridging the gap between a home’s siding and the roofline, otherwise known as the eaves.
