Truth to materials
Encyclopedia
Truth to materials is a tenet of modern architecture
Modern architecture
Modern architecture is generally characterized by simplification of form and creation of ornament from the structure and theme of the building. It is a term applied to an overarching movement, with its exact definition and scope varying widely...

 (as opposed to postmodern architecture
Postmodern architecture
Postmodern architecture began as an international style the first examples of which are generally cited as being from the 1950s, but did not become a movement until the late 1970s and continues to influence present-day architecture...

), which holds that any material should be used where it is most appropriate and its nature should not be hidden. Concrete, therefore, should not be painted and the means of its construction should be celebrated – by, for instance, not sanding away marks left by timber shuttering (béton brut
Béton brut
Béton brut is architectural concrete left unfinished or roughly-finished after pouring and left exposed visually. The imprint of the wood or plywood forms used for pouring is usually present on the final surface....

). As another example, porcelain
Porcelain
Porcelain is a ceramic material made by heating raw materials, generally including clay in the form of kaolin, in a kiln to temperatures between and...

 is infrequently used in the exterior facing of buildings, but one modern example is the Dakin Building
Dakin Building
The Dakin Building is an architectural award-winning class A office building on the San Francisco Bay in Brisbane, California. Serving as a corporate headquarters building for several companies of national prominence, it was built from the profits of the Garfield character whose licensed products...

, Brisbane, California
Brisbane, California
Brisbane is a small city located in the northern part of San Mateo County, California on the lower slopes of San Bruno Mountain. It is on the northeastern edge of South San Francisco, next to the San Francisco Bay and near the San Francisco International Airport.The population was 4,282 as of...

; therefore, the porcelain panels of this building have been left uncovered by any paint or preservative.
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