"Roof: A roof 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 temperature, and wind."
The uppermost feature of a building that protects it from the elements, often including skylights and decorative features.
Roof: A roof is the upper covering of any building, which protects it from the external elements.
Pitch: Pitch is the angle of the roof slope, which influences the roof's ability to shed water and snow.
Gable: A gable is an upper portion of the end wall of a building, which is above the roofline.
Hip: A hip is a sloping part of the roof, which is formed by the intersection of two roof planes.
Dormer: A dormer is a roofed structure, which contains a window or vent, and projects out from the sloping roof surface.
Eaves: Eaves are the overhanging edges of a roof, which project beyond the walls of a building.
Rafter: A rafter is a structural member of the roof, which supports the roof's weight and transmits it to the walls.
Truss: A truss is a framework of triangles, which supports the roof's weight and resists any external forces.
Arch: An arch is a curved structure, which distributes forces uniformly and efficiently.
Dome: A dome is a curved roof, which is typically symmetrical in shape and supported on a circular or square base.
Vault: A vault is a curved roof, which is supported by walls or columns.
Cupola: A cupola is a small, dome-like structure, which is situated on the top of a roof.
Finial: A finial is an ornamental element, which is placed on the top of a roof, dome, or gable.
Cornice: A cornice is an ornamental molding, which is situated at the top of a building's exterior walls, just below the roof.
Skylight: A skylight is a window, which is situated on the roof, to allow natural light into a building.
Gable Roof: A pitched roof with two sloping sides that form a ridge at the top.
Hip Roof: A low-pitched roof with four sloping sides that meet at a ridge and form a pyramid shape.
Mansard Roof: A steeply pitched roof with two pitches, the lower of which is nearly flat and the upper steeper.
Shed Roof: A single-sloping roof with a different pitch from the rest of the roof.
Flat Roof: A roof with a very slight pitch or no pitch at all, often used for commercial buildings.
Dome: A curved roof structure that forms a half-sphere or a hemispherical shape.
Onion Dome: A dome with a bulbous shape that tapers to a point on top.
Cloister Vault: A vaulted ceiling made up of intersecting arches with web-like panels between them.
Barrel Vault: A semi-circular vault that arches over a space.
Cross-Vault: A ceiling vault that is formed from four intersecting arches.
Groin Vault: A type of cross-vault with curved edges that form a rectangular or square shape.
Fan Vault: A vault with ribs that fan out from a central point.
Dome with a Drum: A dome that sits on top of a cylindrical base or drum.
Cupola: A small, dome-shaped structure that sits on top of a larger roof.
Octagonal Dome: A dome with eight sides, often used in Islamic architecture.
Conical Roof: A high-pitched, cone-shaped roof that resembles a pyramid.
Pagoda Roof: A multi-tiered roof with multiple eaves that curve upward at the corners.
Tent Roof: A roof with a steep pitch that extends down to ground level, creating a tent-like structure.
Pavilion Roof: A flat roof with wide overhangs that create a shaded, open-air space beneath.
Dodecagonal Dome: A dome with twelve sides, often used in Byzantine and Romanesque architecture.
"The characteristics of a roof are dependent upon the purpose of the building that it covers, the available roofing materials and the local traditions of construction and wider concepts of architectural design and practice, and may also be governed by local or national legislation."
"In most countries, a roof protects primarily against rain."
"The roof of a garden conservatory protects plants from cold, wind, and rain, but admits light."
"A verandah may be roofed with material that protects against sunlight but admits the other elements."
"[A roof provides protection against] rain, snow, sunlight, extremes of temperature, and wind."
"A roof may also provide additional living space, for example, a roof garden."
"A roof is part of the building envelope."
"The characteristics of a roof are dependent upon... the local traditions of construction and wider concepts of architectural design and practice."
"...may also be governed by local or national legislation."
"A verandah may be roofed with material that protects against sunlight but admits the other elements."
"...providing protection against rain, snow, sunlight, extremes of temperature, and wind."
"The characteristics of a roof are dependent upon... wider concepts of architectural design and practice."
"A roof is part of the building envelope."
"A roof... includes all materials and constructions necessary to support it on the walls of the building or on uprights."
"The available roofing materials... [influence] the characteristics of a roof."
"A roof is the top covering of a building... providing protection against... extremes of temperature, and wind."
"The roof of a garden conservatory protects plants from cold, wind, and rain."
"The roof of a garden conservatory... admits light."
"The characteristics of a roof... may also be governed by local or national legislation."