Product Code Database
Clinker bricks are partially-Glass transition used in the construction of .
Clinker bricks are produced when wet clay bricks are exposed to excessive heat during the firing process, sintering the surface of the brick and forming a shiny, dark-colored coating. 9781610593984, Quarry Books. . ISBN 9781610593984 Clinker bricks have a blackened appearance, and they are often misshapen or split. Clinkers are so named for the metallic sound they make when struck together. Susan VanHecke. "The Accidental Charm of Clinker Bricks", Old House Journal
Clinker bricks are denser, heavier, and more irregular than standard bricks. Clinkers are water-resistant and durable, but have higher thermal conductivity than more Porosity red bricks, lending less insulation to climate-controlled structures.
The brick-firing of the early 20th century—called or "beehive" kilns—did not heat evenly, and the bricks that were too close to the fire emerged harder, darker, and with more vibrant colors, according to the present in the clay. Initially, these clinkers were discarded as defective, but around 1900, the bricks were salvaged by who found them to be usable, distinctive, and charming. Clinker bricks were widely admired by adherents of the Arts and Crafts movement.
In the United States, clinker bricks were popularized by the Pasadena, California architecture firm Greene and Greene, who used them for walls, foundations, and chimneys. On the East Coast, clinkers were used extensively in the Colonial Revival style of architecture.
Modern brick-making techniques do not produce clinker bricks, and they have become rare. Builders can procure clinkers from salvage companies; alternatively, some brickmakers purposefully manufacture clinker bricks or produce imitations.
Clinker bricks are also known as Dutch paving bricks or . In 18th century New York, the Dutch interspersed dark clinkers with regular bricks. Some used clinkers to spell out their family initials on brick dwellings such as the Jan Van Hoesen House.
The formats of the clinker stones are named according to the German Institute for Standardization’s DIN 1053. Base for the different formats is the normal format (NF) with length , width and height . For facade layouts architects also order clinkers produced in special dimensions.
For use in , it is possible to cope varied shaped elements (e.g., clinker expressionism, see picture). Earlier clinkers were often used in civil engineering works, for example in bridge building, the construction of sewers and hydraulic structures, for mortar floodgates and hoppers or as paving stones for road construction.
The German sculptor Ernst Barlach worked with clinkers, which were produced according to his specifications, for example by the brickyard of Ilse Bergbau AG.
Half Klinker bricks have been fired at high temperatures in wood fired kilns over 100 years ago but because they have been sun dried prior to being loaded in the kiln, there has not been the same intensity of vitrification as with a full clinker brick. This makes them softer underfoot and therefore far more desirable for use in flooring. They also wear and soften with age. Because the kilns have been wood fired there is a certain amount of inconsistency with the temperatures in different parts of the kiln and this is what gives the Brick tile its distinctive color variation.
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