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Roman brick

File:Jewry Wall with west wall of St. Nicholas, Leicester.jpg
Roman bricks in the Jewry Wall, Leicester. The 20th-century supporting arch in the background utilises modern bricks.

Roman brick can refer either to a type of brick originating in Ancient Rome and spread by the Romans to the lands they conquered; or to a modern type inspired by the ancient prototypes. In both cases, it characteristically has longer and flatter dimensions than those of standard modern bricks.


An ancient tomb on the Appian Way in Rome featuring extensive Roman brickwork in opus latericium.

Ancient Rome

The Romans made fired clay bricks, and the Roman legions, which operated mobile kilns, introduced bricks to many parts of the empire. Roman bricks are often stamped with the mark of the legion that supervised their production. The use of bricks in southern and western Germany, for example, can be traced back to traditions already described by the Roman architect Vitruvius.

Roman brick was almost invariably of a lesser height than modern brick, but was made in a variety of different shapes and sizes.[1][2] Shapes included square, rectangular, triangular and round, and the largest bricks found have measured over three feet in length.[3] Ancient Roman bricks had a general size of 1½ Roman feet by 1 Roman foot, but common variations up to 15 inches existed. Other brick sizes in Ancient Rome included 24" x 12" x 4", and 15" x 8" x 10". Ancient Roman bricks found in France measured 8" x 8" x 3". The Constantine Basilica in Trier is constructed from Roman bricks 15" square by 1½" thick.[4] There is often little obvious difference (particularly when only fragments survive) between Roman bricks used for walls on the one hand, and tiles used for roofing or flooring on the other, and so archaeologists sometimes prefer to employ the generic term Ceramic Building Material (or CBM).

File:Car bed luk3.jpg
The city walls of Constantinople, showing several courses of brickwork.

The Romans perfected brick-making during the first century of their empire and used it ubiquitously, in public and private construction alike. The Romans took their brickmaking skills everywhere they went, introducing the craft to the local populations.[4] In the British Isles, the introduction of Roman brick by the Ancient Romans was followed by a 600–700 year gap in major brick production.

File:Gariannonum Burgh Castle south wall well preserved close up.jpg
Close-up view of the wall of the Roman shore fort at Burgh Castle, Norfolk, showing alternating courses of flint and brickwork.

When building in masonry, the Romans often interspersed the stonework at set intervals with thin courses of bricks, sometimes known as "bonding tiles". This practice gave the structure added stability. It also had a secondary aesthetic effect of creating a polychromatic appearance.

In the 1530s, the English antiquary John Leland successfully identified Roman bricks (albeit under the misleading designation of "Briton brykes") at several geographically dispersed sites, distinguishing them by size and shape from their medieval and modern counterparts. This has been described as one of the earliest exercises in archaeological typology.[5]

Medieval Europe

After the Western Roman Empire fell in the 5th century many of the commercial stone quarries in Europe were abandoned.[6] This led to a consistent pattern of reuse of Roman building materials throughout the next several hundred years.[6] Like much of the Roman stone, Roman bricks were gathered for reuse throughout this period.[6] For example in the 10th century the abbots of St. Albans gathered enough Roman brick during this time period to have their own stockpile of the building material.[6]

When brick production resumed in earnest on the British Isles, the 1½" to 2" height of the Roman-style brick gradually increased during the early Medieval period.[7] Brick from the Ancient Roman Empire was commonly reused in medieval Europe as well as in later periods.[8] This reuse can be found across the former Roman Empire.[8] In Great Britain, where construction materials are less plentiful, Roman structures were quarried for their stone and brick and it was commonly reused.[9] Examples of this type of reuse in Great Britain can be found in Anglo-Saxon churches at Brixworth, Corbridge, St. Martin's, Canterbury, and St Nicholas', Leicester, and also in St Albans Abbey church (now St Albans Cathedral).[9]


Modern "Roman" bricks were introduced at the beginning of the 20th century. They are invariably longer and flatter than other modern brick types, but there are no fixed dimensions. Those used in the United States in the early 20th century had nominal dimensions of 4" x 2" x 12":[10][11] this gave them a 6:2:1 ratio, compared with a roughly 4:2:1 ratio of most modern brick types. Others with nominal dimensions of 16" x 6" x 4" (38 cm x 15 cm x 10 cm) are also known. Demand has increased the availability of all types of bricks; there are more than a dozen commercially available brick types in modern construction.[12] The Roman Brick Company of Glasgow currently offers "Roman" bricks in heights of 40, 52, 65 or 71mm; widths of 90 or 115mm; and lengths of 290, 365, 440, 490 and 600mm.[13]

Roman brick was introduced to the United States by the architectural firm McKim, Mead, and White.[14] At one time, Roman brick was one of three available brick types in the United States; the other two were "Standard" and "Norman."[12] By 1920, there were at least five types of bricks commonly available to builders and architects, among them: Roman, Norman, Standard, English and Split.[15]

Frank Lloyd Wright used Roman brick in his design for the Robie House in Chicago, and he favored it in many of his Prairie style homes.[10][11] For the Robie House, Wright selected a brick later known as "Pennsylvania Iron Spot Roman brick", personally traveling to St. Louis to choose it.[16] Wright's use of Roman brick in his masonry subtly emphasized the horizontal lines common to much of his Prairie style work.[17][18] Further highlighting Wright's horizontal emphasis was the use of recessed horizontal mortar joints of contrasting color to the brick.[17][18] The vertical joints were de-emphasized by ensuring the mortar was flush with, and of the same hue, as the brick.[17] In modern times, as historic preservationists have worked to restore and preserve the work of Wright and his fellow Prairie School architects, Roman brick has proven difficult to obtain.[10][19]

Ancient Roman brick stamps

File:Museum Quintana - Ziegelstempel.jpg
Ancient Roman stamp on a hypocaust brick, used by the third cohort of Roman citizens from Thrace.

Around the middle of the 1st century BC Roman brick makers began using unique identifying stamps on their bricks.[20] The first of these brick stamps were simple and included minimal information such as, the name of a person and sometimes the name of the brickyard the brick was produced in.[20] These earliest Roman brick stamps were emblazoned into the wet clay using a hardwood or metal mold prior to the firing of the brick.[21] As the early Roman Empire progressed fired brick became the primary building material and the number of brick producers increased dramatically as more and more wealthy land owners began to exploit clay deposits on their land for brick-making.[21] Brick stamps began to become more complex and include more and more information.[21] In 110 the stamps included, for the first time, the name of the consuls for the year of production, which allows modern observers to pinpoint the year a brick was created.[22]

These brick stamps, once viewed more as a curiosity than archaeological artifacts, allow scholars to learn about the demand for bricks in Ancient Rome because through the dates on the stamps they provide a chronology.[20] Today, brick stamp discoveries are carefully documented and that documentation, combined with the use of architectural context, has helped provide a reliable method of dating Ancient Roman construction.[20] In addition, brick stamps have proved helpful in determining general Ancient Roman chronology.[20]

See also


  1. ^ Scalenghe, R., Barello, F., Saiano, F., Ferrara, E., Fontaine, C., Caner, L., Olivetti, E., Boni, I., Petit, S. (2015). "Material sources of the Roman brick-making industry in the I and II century A.D. from Regio IX, Regio XI and Alpes Cottiae". Quaternary International 357: 189–206. doi:10.1016/j.quaint.2014.11.026. 
  2. ^ Juracek, Jack. Surfaces: Visual Research for Artists, Architects, and Designers, (Google Books), W. W. Norton & Company: 1996, p. 310, (ISBN 0-393-73007-7). Retrieved 3 October 2007.
  3. ^ Peet, Stephen Denison. The American Antiquarian and Oriental Journal, (Google Books), Jameson & Morse [etc.]: 1911, pp. 35–36. Retrieved 3 October 2007.
  4. ^ a b Walters, Henry Beauchamp and Birch, Samuel. History of Ancient Pottery: Greek, Etruscan, and Roman, (Google Books), J. Murray: 1905, pp. 330–40. Retrieved 3 October 2007.
  5. ^ Harris, Oliver, "John Leland and the 'Briton Brykes'", Antiquaries Journal, 87 (2007), pp. 346–56.
  6. ^ a b c d Stalley, Roger. Early Medieval Architecture, (Google Books link), Oxford University Press, USA, 1999, pp. 112-14, (ISBN 0-19-284223-4).
  7. ^ Warren, John. Conservation of Brick, (Google Books), Elsevier: 1999, p. 47, (ISBN 0-7506-3091-4). Retrieved 3 October 2007.
  8. ^ a b Barker, Graeme. Companion Encyclopedia of Archaeology, (Google Books link), Vol. 1, Routledge, 1999, p. 326, (ISBN 0-415-21329-0).
  9. ^ a b Ottaway, Patrick, and Cyprien, Michael. A Traveller's Guide to Roman Britain, ([Google Books link]), Historical Times, 1987, p. 5, (ISBN 0-918678-19-6).
  10. ^ a b c Papier, Sheryl. "The Quest for Reproduction Bricks for the Robie House Restoration," The Newsletter of The Historic Resources Committee, 25 July 2007, The American Institute of Architects. Retrieved 3 October 2007.
  11. ^ a b "Buffalo as an Architectural Museum," Brick, The Buffalo FreeNet, University of Buffalo. Retrieved 3 October 2007.
  12. ^ a b Beall, Christine. Masonry Design and Detailing: For Architects and Contractors, (Google Books), McGraw-Hill Professional: 2003, pp. 49–50, (ISBN 0-07-137734-4). Retrieved 3 October 2007.
  13. ^ The Roman Brick Company website [1]. Retrieved 28 July 2011.
  14. ^ Scully, Vincent Joseph. The Shingle Style and the Stick Style: Architectural Theory and Design from Downing to the Origins of Wright (Google Books), Yale University Press: 1971, p. 149, (ISBN 0-300-01519-4). Retrieved 3 October 2007.
  15. ^ Johnson, Nathan Clark and Hool, George Albert. Handbook of Building Construction: Data for Architects, Designing and Constructing Engineers, and Contractors, (Google Books), McGraw-Hill Book Company, Inc.: 1920, p. 915. Retrieved 3 October 2007.
  16. ^ Hoffmann, Donald. Frank Lloyd Wright's Robie House: The Illustrated Story of an Architectural Masterpiece, (Google Books), Courier Dover Publications: 1984 p. 42, (ISBN 0-486-24582-9). Retrieved 3 October 2007.
  17. ^ a b c Lind, Carla. Frank Lloyd Wright's Fireplaces, (Google Books), Pomegranate: 1995, p. 14, (ISBN 0-87654-469-3). Retrieved 3 October 2007.
  18. ^ a b Roth, Leland M. American Architecture: A History (Google Books), Westview Press: 2001, (ISBN 0-8133-3662-7), p. 308. Retrieved 3 October 2007.
  19. ^ Weil, Zarine. Building a Legacy: The Restoration of Frank Lloyd Wright's Oak Park Home and Studio, (Google Books), Pomegranate: 2001, p. 124, (ISBN 0-7649-1461-8). Retrieved 3 October 2007.
  20. ^ a b c d e Anderson, James and Widrig, Walter. "Brick Stamps", Via Gabina Villas Excavation, Rice University, 2002, accessed July 21, 2009.
  21. ^ a b c Bodel, John P. Roman brick stamps in the Kelsey Museum, (Google Books link), University of Michigan Press, 1983, p. 1, (ISBN 0-472-08039-3).
  22. ^ Opper, Thorsten. Hadrian: Empire and Conflict, (Google Books link), Harvard University Press, 2008, pp. 108-09, (ISBN 0-674-03095-8).

Further reading

External links