A conical roof or cone roof is a
cone
In geometry, a cone is a three-dimensional figure that tapers smoothly from a flat base (typically a circle) to a point not contained in the base, called the '' apex'' or '' vertex''.
A cone is formed by a set of line segments, half-lines ...
-shaped
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 ...
that is circular at its base and terminates in a point.
Distribution
Conical roofs are frequently found on top of towers in
medieval
In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...
town
fortifications
A fortification (also called a fort, fortress, fastness, or stronghold) is a military construction designed for the defense of territories in warfare, and is used to establish rule in a region during peacetime. The term is derived from La ...
and
castle
A castle is a type of fortification, fortified structure built during the Middle Ages predominantly by the nobility or royalty and by Military order (monastic society), military orders. Scholars usually consider a ''castle'' to be the private ...
s, where they may either sit directly on the outer wall of the tower (sometimes projecting beyond it to form
eaves
The eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The eaves form an overhang to throw water clear of the walls and may be highly decorated as part of an architectural sty ...
) or form a superstructure above the
fighting platform or terrace of the tower. The latter necessitated the use of spouts to lead the water away over the top of the walls (e.g. as at
Andernach
Andernach () is a town in the district of Mayen-Koblenz, in Rhineland-Palatinate, Germany, of about 30,000 inhabitants. It is situated towards the end of the ''Neuwied basin'' on the left bank of the Rhine between the former tiny fishing village ...
's ''Alter Krahnen''). In this case the cone roof was surrounded by a
defensive wall
A defensive wall is a fortification usually used to protect a city, town or other settlement from potential aggressors. The walls can range from simple palisades or earthworks to extensive military fortifications such as curtain walls with t ...
, a
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 ...
or a
battlement
A battlement, in defensive architecture, such as that of city walls or castles, comprises a parapet (a defensive low wall between chest-height and head-height), in which gaps or indentations, which are often rectangular, occur at intervals ...
. Such conical roofs were usually constructed using a
timber-framed support structure covered with
slate
Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic ro ...
; more rarely they were made of
masonry
Masonry is the craft of building a structure with brick, stone, or similar material, including mortar plastering which are often laid in, bound, and pasted together by mortar (masonry), mortar. The term ''masonry'' can also refer to the buildin ...
.
A small circular
turret
Turret may refer to:
* Turret (architecture), a small tower that projects above the wall of a building
* Gun turret, a mechanism of a projectile-firing weapon
* Optical microscope#Objective turret (revolver or revolving nose piece), Objective turre ...
or tourelle with a conical roof is called a pepperpot or pepperbox turret.
Present
Today, conical roofs are more often used in rural areas either for circular or small square buildings. They are difficult to construct but use locally available materials.
Conical roofs are widely used in
Armenian
Armenian may refer to:
* Something of, from, or related to Armenia, a country in the South Caucasus region of Eurasia
* Armenians, the national people of Armenia, or people of Armenian descent
** Armenian diaspora, Armenian communities around the ...
and
Georgian church architecture
Church architecture refers to the architecture of Christian buildings, such as Church (building), churches, chapels, convents, and seminaries. It has evolved over the two thousand years of the Christian religion, partly by innovation and partly ...
.
A key feature of the
Solomon Islands Parliament Building is its conical roof.
See also
*
List of roof shapes
Roof shapes encompass a broad range of designs, including flat (or shed roof, shed), gabled, hip roof, hipped, arched, domed, and a wide variety of other configurations
An essential aspect of roof design is the roof angle or roof pitch, pitch, w ...
References
{{Roofs
Architecture
Roofs