Cresting, in

architecture Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and construction, constructi ...

, is ornamentation attached to the ridge of a

roof A roof (: roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of tempera ...

cornice In architecture, a cornice (from the Italian ''cornice'' meaning "ledge") is generally any horizontal decorative Moulding (decorative), moulding that crowns a building or furniture element—for example, the cornice over a door or window, ar ...

coping Coping refers to conscious or unconscious strategies used to reduce and manage unpleasant emotions. Coping strategies can be cognitions or behaviors and can be individual or social. To cope is to deal with struggles and difficulties in life. It ...

parapet A parapet is a barrier that is an upward extension of a wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian ''parapetto'' (''parare'' 'to cover/defend' and ''petto'' 'chest/brea ...

, usually made of a metal such as

iron Iron is a chemical element; it has symbol Fe () and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of Earth's o ...

copper Copper is a chemical element; it has symbol Cu (from Latin ) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orang ...

. Cresting is associated with

Second Empire architecture Second Empire style, also known as the Napoleon III style, is a highly eclectic style of architecture and decorative arts originating in the Second French Empire. It was characterized by elements of many different historical styles, and al ...

, where such decoration stands out against the sharp lines of the

mansard roof A mansard or mansard roof (also called French roof or curb roof) is a multi-sided gambrel-style hip roof characterised by two slopes on each of its sides, with the lower slope at a steeper angle than the upper, and often punctured by dormer wi ...

.Cresting
", ''Old House Online''. It became popular in the late 19th century, with mass-produced sheet metal cresting patterns available by the 1890s."Ask OHJ: Cresting Question", ''Old-House Journal'' (May–June 1996), p. 14-16. Cresting is typically attached to the roof by bolts, and is often installed during construction of the roof, with sealants applied to the roof directly covering the bolts to prevent water penetration and corrosion in these areas.

References

{{reflist Architectural elements Roofs

See also

References